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Fujinon Corporation

USPTO Granted Patents = 695

% Expired Patents = 67.2

EPO Patents = 33

Trademarks = 9

Forward Citations = 7,329

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338 inventors (with patents filed for the assignee):

Kenichi Sato (34 out of 58 patents)

Kazunori Abe (34 out of 49 patents)

Tetsuya Ori (25 out of 61 patents)

4. Yoshihiro Ito (22 out of 54 patents)

5. Yu Kitahara (21 out of 27 patents)

6. Mitsuo Manabe (20 out of 43 patents)

7. Toshiaki Katsuma (19 out of 40 patents)

8. Chikara Yamamoto (18 out of 100 patents)

9. Ryota Sasaki (18 out of 24 patents)

10. Takehiko Senba (17 out of 59 patents)

11. Masao Mori (16 out of 40 patents)

12. Minoru Taniyama (16 out of 18 patents)

13. Daisuke Ayame (16 out of 22 patents)

14. Taro Asami (15 out of 60 patents)

15. Yoshikazu Shinohara (15 out of 39 patents)

Core Competencies:

Endoscope

Imaging System

Autofocus

Flexible Tube

Electronic Apparatus

Optical Pickup

Projection Lens

High-Frequency Tool

Imaging Lens

Controller

Suctioning Means

Light Source

695 patents: Sort by Forward Citations

1. 8734695 - Endoscope flexible tube and its manufacturing method (2014-05-27),

2. 8721526 - Insertion assisting device and endoscope apparatus (2014-05-13),

3. 8675058 - Electronic endoscope apparatus (2014-03-18),

4. 8633977 - Electronic endoscope apparatus (2014-01-21),

5. 8591404 - Bending device for endoscope (2013-11-26),

6. 8400498 - Endoscope apparatus (2013-03-19),

7. 8390941 - Imaging lens, imaging apparatus and portable terminal device (2013-03-05),

8. 8376935 - Observed image forming apparatus (2013-02-19),

9. 8372071 - High-frequency treatment tool (2013-02-12),

10. 8363108 - Autofocus system (2013-01-29),

11. 8350901 - Electronic endoscopic apparatus (2013-01-08),

12. 8345356 - Objective lens, optical pickup device, and optical recording/reproducing apparatus (2013-01-01),

13. 8328369 - Projecting zoom lens and projection type display apparatus (2012-12-11),

14. D671212 - Controller for endoscope (2012-11-20),

15. D670384 - Controller for endoscope (2012-11-06),

Fujinon Corporation, headquartered in Saitama, Japan, specializes in advanced endoscope technology and imaging systems. The company is renowned for its innovative solutions in medical devices, particularly in the development of high-quality endoscopes that enhance diagnostic and therapeutic procedures. Fujinon focuses on core technologies such as autofocus mechanisms, flexible tubes, and optical pickups, contributing significantly to the fields of healthcare and high-frequency tools. Its commitment to precision and quality positions it as a leader in the medical imaging sector.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Fujinon Corporation

695 Patents

#7 in Saitama 343-0827

#298 in Japan

#1,437 in the World

Fujinon Corporation

Forward Citations = 7,329

338 inventors:

Kenichi Sato (34 out of 58 patents)

Kazunori Abe (34 out of 49 patents)

Tetsuya Ori (25 out of 61 patents)

4. Yoshihiro Ito (22 out of 54 patents)

5. Yu Kitahara (21 out of 27 patents)

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