Lectures & More
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| Lecture Experience | |
|---|---|
| 1 |
8th West Japan Surgical Techniques Study Group, Dec. 7, 2022 “Fundamental Anatomy and Techniques for Double Eyelid Surgery” |
| 2 |
10th West Japan Surgical Techniques Study Group, Apr. 14, 2023 “Fundamental Anatomy for Rhinoplasty” “Septal Extension Using Auricular Cartilage” “Anatomy of Buccal Fat and Indications for Removal” |
| 3 |
11th JAPSA Study Group, Jun. 7, 2023 “Indications and Tips for Transconjunctival Fat Removal and Fat Grafting” |
| 4 |
14th JAPSA Study Group, Jan. 19, 2024 “Current Status and Trends in Cosmetic Surgery in Our Group” |
| 5 |
15th JAPSA Study Group, Apr. 19, 2024 “Knacks and Pitfalls in Submental Liposuction – For Safe Fat Removal” |
| 6 |
16th JAPSA Study Group, Jul. 5, 2024 “Lower Eyelid Ectropion Correction by Pentagonal Excision and Evaluation” |
| 7 |
1st Annual JAPSA Academic Meeting, Oct. 11, 2024 “Effectiveness of Fibrin Sealant in Submental Liposuction” “Ideal Nose in Japanese – Study on Aesthetic Preferences Using 3D Imaging Software” |
| 8 | 17th JAPSA Study Group, Jan. 24, 2025 “Long-term Stability Comparison for Double Eyelid Suture – 4-Year Retrospective Cohort of 1,000 Cases” |
| 9 |
18th JAPSA Study Group, Apr. 25, 2025 “Critical Analysis of Complications and Revision Strategies in Cosmetic Medicine” |
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| Session Chair Experience | |
|---|---|
| 1 | 1st Annual JAPSA Academic Meeting, Oct. 11, 2024 Educational Lecture “The Eyes Speak Volumes – Aesthetic Eyelid Surgery Based on Functional Anatomy” Chair: Kohki Okumura Speaker: Masashi Takami |
| 2 | 19th JAPSA Study Group, Jul. 25, 2025 Video Symposium Chair: Kohki Okumura |
| 2nd Annual JAPSA Academic Meeting, Nov. 14, 2025 Young Investigator’s Award Chair: Kohki Okumura General Session 4 – Regenerative Medicine – Chair: Kohki Okumura | |
| 20th JAPSA Study Group, Jan. 23, 2026 International Invited Seminar: “Thread Lift Design Strategy – Practical Approach Based on Patient Background” Speaker: Dr. Kim Woo-Ram (Director, Wyne Plastic Surgery Clinic) / Chair: Kohki Okumura | |
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| International Presentations | |
|---|---|
| 1 | CELLUP Clinic 2024.09.10 「Efficacy of Fibrin Sealant In Submental Liposuction」 |
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| Other Presentation Experience | |
|---|---|
| 1 | 2021.6 「How to Minimize Bleeding in Facelift Surgery」 |
| 2 | 2021.9 “About Minor Botox Applications” |
| 3 | 2021.11 “About Transconjunctival Ligation Suture Technique” |
| 4 | 2021.12 “Double Eyelid Surgery from the Perspective of Eyelid Anatomy” |
| 5 | 2022.2 “Tips for Fat Harvesting and Injection” |
| 6 | 2022.3 “Mechanisms and Possibilities of Ellman Technology” |
| 7 | 2022.5 “Evolution of Anatomy and Techniques in Double Eyelid Surgery” |
| 8 | 2022.6 “Approach to Upper Eyelid Skin Laxity” |
| 9 | 2022.12 “Philtrum Shortening with Minimal Scarring” |
| 10 | 2023.3 “Precautions for Procedures on Minors” |
| 11 | 2023.5 “Oculoplastics – From Basics to Ptosis Revision” |
| 12 | 2024.1 “Cephalic Rotation and Deprojection After Septal Extension Using Auricular Cartilage” |
| 13 | 2024.5 “What to Do in These Situations – Retrospective from Revision Experience” |
| 14 | 2024.10 “The Fastest Buccal Fat Removal Technique” |
Academic Publications
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| First Author | |
|---|---|
| 1 | Efficacy of Fibrin Sealant in Submental Liposuction: A Prospective Randomized Study
Journal: Aesthetic Plastic Surgery Published: 2024.12.13 Authors: Koki Okumura, MD, Takahiko Tamura, MD,PhD, Yusuke Funakoshi, MD,PhD, Hiroo Teranishi, MD |
| 2 | Ideal Nasal Angle Preferences Among Japanese People: A Prospective Observational Study on Aesthetic Perception Journal: Aesthetic Surgery Journal Open Forum Published: 2025.6.24 Authors: Kohki Okumura, MD, Takahiko Tamura, MD,PhD, Yusuke Funakoshi, MD,PhD, Hiroo Teranishi, MD |
| 3 | Comparison of Long-Term Stability Between Continuous and Two-Point Buried Suture Methods in Double Eyelid Surgery: A 4-Year Retrospective Cohort Study of 1000 Cases. Journal: Aesthetic Plastic Surgery Published: 2025.6.26 Authors: Kohki Okumura, MD, Takahiko Tamura, MD,PhD, Yusuke Funakoshi, MD,PhD, Hiroo Teranishi, MD |
| 4 | Comparison of long-term stability among continuous, two-point, and transconjunctival buried suture methods in double-eyelid surgery: a 4-year retrospective cohort study of 1,500 cases. Journal: Archives of Aesthetic Plastic Surgery Published: 2025.7.28 Authors: Kohki Okumura, MD, Takahiko Tamura, MD,PhD, Yusuke Funakoshi, MD,PhD, Hiroo Teranishi, MD |
| 5 | Five-Year Trends in Facial Thread-Lift Practice: A Nationwide Cross-Sectional Analysis of 106,639 Cases by Age Group and Thread Material. Journal: Aesthetic Plastic Surgery Published: 2025.10.6 Authors: Kohki Okumura, MD, Takahiko Tamura, MD,PhD, Yusuke Funakoshi, MD,PhD, Hiroo Teranishi, MD |
| 6 | Predictors of Dissatisfaction After Polydioxanone Thread Lift: A Multicenter Retrospective Analysis. Journal: Plastic & Reconstructive Surgery-Global Open Published: 2025.10.6 Authors: Kohki Okumura, MD, Takahiko Tamura, MD,PhD, Yusuke Funakoshi, MD,PhD, Hiroo Teranishi, MD |
| 7 | Age-Related Variations in Reoperation Risk from Suture Loosening in Two-Point Buried Suture Double Eyelid Surgery: A Stratified Retrospective Cohort Analysis. Journal: Aesthetic Plastic Surgery Published: 2025 Authors: Kohki Okumura, MD, Takahiko Tamura, MD,PhD, Yusuke Funakoshi, MD,PhD, Hiroo Teranishi, MD |
| 8 | Time-Series and Demographic Trends in Cosmetic Surgery: Multicenter Analysis of Double-eyelid Embedding in Japan. Journal: Plastic & Reconstructive Surgery-Global Open Published: 2025.11 Authors: Kohki Okumura, MD, Takahiko Tamura, MD,PhD, Yusuke Funakoshi, MD,PhD, Hiroo Teranishi, MD |
| 9 | Effect of Upper Eyelid Fat Removal on Reoperation Rate and Long-Term Stability in Buried Suture Double Eyelid Surgery: A 4.5-Year Retrospective Cohort Study. Journal: Aesthetic Plastic Surgery Published: 2025 Authors: Kohki Okumura, MD, Takahiko Tamura, MD,PhD, Yusuke Funakoshi, MD,PhD, Hiroo Teranishi, MD |
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| Co-author | |
|---|---|
| 1 | Demographic Data of Orbital Fat Removal for Dark Circles Under Eyes in Nationwide Cosmetic Surgery Group. Journal: Plastic and Reconstructive Surgery Global Open（PRS GO） Published: 2024.12.14 Authors: Takahiko Tamura, Yusuke Funakoshi, Hiromichi Okuma, Yoshimasa Furuichi, Taichi Tamura, Takashi Fuse, Miku Toma, Koki Okumura, Hiroo Teranishi. |
| 2 | Investigation of Patients’ Motivation for Cosmetic Surgery in a Nationwide Cosmetic Surgery Group Journal: Plastic and Reconstructive Surgery Global Open（PRS GO） Published: 2024.1.19 Authors: Yusuke Funakoshi, MD, PhD,corresponding author Masao Saito, MD, PhD, Ko Kawaguchi, MD, Eri Hiramatsu, MD, Nobuo Yamamoto, MD, Yoshiko Hondo, MD, Yumiko Nakagawa, MD, PhD, Koki Okumura, MD, Asami Sato, MD, and Hiroo Teranishi, MD |
| 3 | Recent Status of Procedures in a Single Nationwide Cosmetic Surgery Group Journal: Plastic and Reconstructive Surgery Global Open（PRS GO） Published: 2023.10 Authors: Funakoshi, Yusuke MD, PhD; Saito, Masao MD, PhD; Kawaguchi, Ko MD; Hiramatsu, Eri MD; Yamamoto, Nobuo MD; Hondo, Yoshiko MD; Nakagawa, Yumiko MD, PhD; Okumura, Koki MD; Sato, Asami MD; Teranishi, Hiroo MD |
| 4 | Background and Growth of Cosmetic Surgeons in A Cosmetic Surgery Group Journal: Gavin Publishers Published: 2023.10 Authors: Yusuke Funakoshi*, Masao Saito, Ko Kawaguchi, Eri Hiramatsu, Nobuo Yamamoto, Yoshiko Hondo, Yumiko Nakagawa, Koki Okumura, Asami Sato, Hiroo Teranishi |
| 5 | Postoperative Complication Analysis: Percutaneous vs. Transconjunctival Buried Suture Techniques Journal: JSAS Journal, 60(1) Published: 2024 Authors: Shintaro Hashimoto, Takahiko Tamura, Makoto Jono, Kohki Okumura, Hiroo Teranishi |
| 6 | Serious Complications of Hyaluronic Acid Fillers-A Retrospective Study of 290,307 Cases. Journal: Ann Plast Surg. Published: 2025.6 Authors: Taichi Tamura, Takahiko Tamura, Kohki Okumura, Hiroo Teranishi |
| 7 | Pilot Study: Thread Rhinoplasty With Different Methods of Barbed Thread Implantation. Journal: Plastic and Reconstructive Surgery Global Open（PRS GO） Published: 2025.5 Authors: Takahiko Tamura, Yoshimasa Furuichi, Taichi Tamura, Takashi Fuse, Miku Toma, Kohki Okumura, Hiroo Teranishi |
| 8 | Impact of concurrent upper eyelid lipectomy on postoperative complications in buried suture double eyelid blepharoplasty: a retrospective analysis. Journal: Archives of Aesthetic Plastic Surgery Published: 2025.7.28 Authors: Shoichiro Nakajo, Shintaro Hashimoto, Takahiko Tamura, Kohki Okumura, Hiroo Teranishi |
| 9 | Split-Face Comparative Study of Extracellular Matrix and Polynucleotide Injectables Using Objective Skin Analysis Journal: Japan Advanced Medical Journal Published: 2025.8.26 Authors: Suzuna Shiomi, Hiromichi Okuma, Takahiko Tamura, Yuichi Jono, Keisuke Matsumura, Asami Sato, Koki Okumura, Taichi Tamura, Masashi, Umeda, Hiroo Teranishi |
| 10 | Objective evaluation of platelet-rich plasma mesotherapy on facial skin quality: An interim split-face analysis using an advanced imaging system. Journal: Regenerative Therapy Published: 2025 Authors: Masashi Umeda, Takahiko Tamura, Kohki Okumura, Reiko Kiuchi, Hiroo Teranishi |
| 11 | Safety Profile of 4,397 Consecutive Intravenous Sedations in Office-Based Esthetic Surgery: A Single-Center Retrospective Audit. Journal: Aesthetic Plastic Surgery Published: 2025.11 Authors: Matsumura K, Tamura T, Okumura K, Funakoshi Y, Teranishi H |
| 12 | Patient Satisfaction After Transconjunctival Orbital Fat Removal: A Multicenter Prospective Study of 920 Cases. Journal: Aesthetic Surgery Journal Published: 2026 Authors: Takahiko Tamura, Hiromichi Okuma, Ryoichi Matsumoto, Tadanori Tada, Hisaaki Munakata, Yoshiki Morimiya, Shintaro Hashimoto, Nobuo Yamamoto, Keisuke Matsumura, Kohki Okumura, Hiroo Teranishi |
| 13 | From Contouring to Rejuvenation: A Nationwide Big-Data Analysis of Hyaluronic Acid Injection Trends in Japan. Journal: Journal of Clinical Medicine Published: 2026 Authors: Tamura T, Tamura T, Okumura K, Teranishi H |
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| Press Releases | |
|---|---|
| 1 | PR TIMES 2025.1.15 ”TCBDr. Okumura’s paper in Aesthetic Plastic Surgery – World’s first study on hemostatic agents in submental liposuction.” |
| 2 | PR TIMES 2025.6.30 ”TCBDr. Okumura’s paper in Aesthetic Surgery Journal Open Forum – World’s first large study on ideal nasal angle in 783 Japanese subjects.” |
| 2 | PR TIMES 2025.6.30 ”TCBDr. Okumura’s paper in Aesthetic Plastic Surgery – World’s largest study on long-term stability of double eyelid suture in 1,000 cases. ” |
Academic Contributions
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| Committee Roles | |
|---|---|
| Jan. 2025 – Present: JAPSA JOURNAL Editorial Board Member & Reviewer | |
| Apr. 2025 – Present: JAPSA Certification Committee Member | |
| Oct. 2025 – Present: Aesthetic Plastic Surgery Reviewer | |
| Jan. 2026 – Present: Frontiers in Surgery Reviewer | |
| Mar. 2026 – Present: Journal of Cutaneous and Aesthetic Surgery Reviewer | |
| Mar. 2026 – Present: Journal of Surgical Systems and Intelligence Editorial Board Member | |
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| Awards | |
|---|---|
| 10th West Japan Surgical Techniques Study Group (Apr. 14, 2023) Double Eyelid Suture Grand Prix – 2nd Place Nationwide | |
| 2nd Annual JAPSA Academic Meeting (Nov. 14, 2025) JAPSA International Paper Award – “Efficacy of Fibrin Sealant in Submental Liposuction: A Prospective Randomized Study” | |