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Mitaka Kohki Co., Ltd.

USPTO Granted Patents = 66

EPO Patents = 8

Trademarks = 3

Forward Citations = 983

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23 inventors (with patents filed for the assignee):

Katsushige Nakamura (40 out of 44 patents)

Masao Doi (17 out of 17 patents)

Katsuyuki Nakamura (8 out of 32 patents)

4. Toshio Yamazaki (7 out of 31 patents)

5. Masakazu Nakamura (6 out of 30 patents)

6. Yusuke Nakata (4 out of 5 patents)

7. Katsuhiro Miura (4 out of 19 patents)

8. Katushige Nakamura (3 out of 3 patents)

9. Minoru Ishima (2 out of 2 patents)

10. Tatsuya Hashimoto (2 out of 8 patents)

11. Hideo Kotajima (2 out of 2 patents)

12. Minoru Nakamura (1 out of 65 patents)

13. Takayuki Sota (1 out of 4 patents)

14. Shinya Ohtsubo (1 out of 7 patents)

15. Shinpei Omote (1 out of 1 patent)

Core Competencies:

Surgical Microscopes

Stereoscopic Observation

Medical Stand Apparatus

Optical Measuring Systems

Automatic Balancing Structures

Heliostat Technology

Biopsy Devices

Noncontact Surface Measurement

66 patents: Sort by Forward Citations

1. 10830979 - Weight balance method of surgical microscope and mechanism thereof (2020-11-10),

2. 10820961 - Surgical microscope system having horizontal and vertical sliders (2020-11-03),

3. 10527833 - Surgical stereoscopic observation apparatus (2020-01-07),

4. 10456092 - Surgical microscope system (2019-10-29),

5. 10295816 - Surgical microscope (2019-05-21),

6. 10288859 - Surgical microscope system (2019-05-14),

7. 10228530 - Stand apparatus for surgical microscope (2019-03-12),

8. 10122991 - Surgical stereoscopic observation apparatus (2018-11-06),

9. 10063850 - Surgical stereoscopic observation apparatus (2018-08-28),

10. 9822922 - Medical stand apparatus (2017-11-21),

11. 9746659 - Surgical microscope system (2017-08-29),

12. 9563045 - Surgical microscope apparatus and sealed drape (2017-02-07),

13. 9459437 - Surgical microscope system (2016-10-04),

14. 9442280 - Operation microscope (2016-09-13),

15. 9441635 - Heat-insulating bearing structure (2016-09-13),

MITAKA KOHKI CO., LTD. is a Japanese company specializing in manufacturing and selling high-precision optical and opto-mechanical components. With over 50 years of experience, the company provides a wide range of products including lenses, prisms, mirrors, filters, and custom optics for various industries such as semiconductors, medical equipment, and scientific research. MITAKA KOHKI CO., LTD. focuses on delivering innovative and technologically advanced solutions to meet the diverse needs of their global customers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

66 Patents

#602 in Tokyo

#1,427 in Japan

#10,871 in the World

Mitaka Kohki Co., Ltd.

Forward Citations = 983

23 inventors:

Katsushige Nakamura (40 out of 44 patents)

Masao Doi (17 out of 17 patents)

Katsuyuki Nakamura (8 out of 32 patents)

4. Toshio Yamazaki (7 out of 31 patents)

5. Masakazu Nakamura (6 out of 30 patents)

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