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Machida Endoscope Co., Ltd.

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USPTO Granted Patents = 50

% Expired Patents = 10.0

EPO Patents = 1

Forward Citations = 1,842

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23 inventors (with patents filed for the assignee):

Kunihiko Miyagi (16 out of 21 patents)

Toshio Chikama (16 out of 35 patents)

Yuichi Komachi (7 out of 9 patents)

4. Katsuo Aizawa (4 out of 4 patents)

5. Kunio Odanaka (4 out of 5 patents)

6. Toshio Oku (4 out of 7 patents)

7. Masayuki Misawa (3 out of 20 patents)

8. Haruhiko Machida (3 out of 16 patents)

9. Hiroshi Kobayashi (2 out of 152 patents)

10. Atsushi Utsumi (2 out of 20 patents)

11. Hidetoshi Yoshizawa (2 out of 2 patents)

12. Hisatake Aoshiro (2 out of 2 patents)

13. Shin Ishimaru (1 out of 7 patents)

14. Tohru Tani (1 out of 16 patents)

15. Shigeyuki Naka (1 out of 13 patents)

Core Competencies:

Flexible Endoscope

MRI Compatibility

Optical Fiber

Raman Probe

Surgical Guiding

Medical Instrument

Endoscope Apparatus

High-Frequency Treatment

Bendable Tube

Cleaning Device

Leak Detection

Sensor Integration

50 patents: Sort by Forward Citations

1. 8696551 - Flexible endoscope suitable for MRI (2014-04-15),

2. 8066722 - Clip applier (2011-11-29),

3. 7736303 - Curvilinearly controlling wire member of endoscope and method for manufacturing the same (2010-06-15),

4. 7184142 - Raman probe and Raman spectrum measuring apparatus utilizing the same (2007-02-27),

5. 6970736 - Analysis system of matter adhered to inside wall of vessel (2005-11-29),

6. 6887196 - Endoscope apparatus with an omnidirectional view field and a translatable illuminator (2005-05-03),

7. 6735369 - Hollow optical fiber and method for manufacturing the same (2004-05-11),

8. 6582359 - Endoscope apparatus for inside wall of blood vessel (2003-06-24),

9. 6461330 - Surgical operation guiding apparatus (2002-10-08),

10. 6408889 - Bendable tube and method for manufacturing the same (2002-06-25),

11. 6324742 - Method of uniting optical fibers (2001-12-04),

12. 6101703 - Method of uniting optical fibers (2000-08-15),

13. 6074342 - Hard endoscope used for assisting micro-operation (2000-06-13),

14. 6048340 - High-frequency treatment device for endoscope (2000-04-11),

15. 5961445 - Endoscope having replaceable objective unit (1999-10-05),

Company Overview

Machida Endoscope Co., Ltd., based in Tokyo, specializes in advanced endoscope technology, focusing on the development and manufacturing of flexible endoscopes and related medical instruments. The company is recognized for its innovations in MRI compatibility, optical fiber applications, and surgical guiding systems. Machida's expertise extends to high-frequency treatment and the integration of Raman probes, positioning it as a key player in the medical device sector, dedicated to enhancing diagnostic and therapeutic procedures.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

50 Patents

#798 in Tokyo

#1,711 in Japan

#14,028 in the World

Machida Endoscope Co., Ltd.

Forward Citations = 1,842

23 inventors:

Kunihiko Miyagi (16 out of 21 patents)

Toshio Chikama (16 out of 35 patents)

Yuichi Komachi (7 out of 9 patents)

4. Katsuo Aizawa (4 out of 4 patents)

5. Kunio Odanaka (4 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Machida Endoscope Co., Ltd.. Retrieved from https://idiyas.com/company/machida-endoscope-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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