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Asahi Kogaku Kabushiki Kaisha

USPTO Granted Patents = 38

Forward Citations = 411

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73 inventors (with patents filed for the assignee):

Takayuki Ito (4 out of 135 patents)

Masahiro Kawasaki (2 out of 142 patents)

Hiroyuki Takahashi (2 out of 212 patents)

4. Teruo Ouchi (2 out of 138 patents)

5. Shigeru Iwamoto (2 out of 42 patents)

6. Takeo Kobayashi (2 out of 65 patents)

7. Nagashige Takahashi (2 out of 26 patents)

8. Satoru Tachihara (2 out of 30 patents)

9. Masahiro Nakata (1 out of 78 patents)

10. Hiroyuki Hirano (1 out of 81 patents)

11. Koichi Sato (1 out of 146 patents)

12. Yuji Ogawa (1 out of 35 patents)

13. Hitoshi Tanaka (1 out of 137 patents)

14. Osamu Shindo (1 out of 64 patents)

15. Yoshimi Obara (1 out of 12 patents)

38 patents: Sort by Forward Citations

1. 6384968 - Microscope with illuminating optical system (2002-05-07),

2. 6223003 - Camera for receiving a roll film (2001-04-24),

3. 6212018 - Zoom lens system (2001-04-03),

4. 6198506 - Multipoint autofocus system having a line sensor (2001-03-06),

5. 6193370 - Method of manufacturing progressive power spectacle lenses (2001-02-27),

6. 6186627 - Back-surface progressive power lens (2001-02-13),

7. 6130714 - Branch image pickup and view system (2000-10-10),

8. 6115189 - Multi-stage extension type zoom lens barrel (2000-09-05),

9. 6113586 - Joint mechanism for endoscopic treatment instrument, and endoscopic (2000-09-05),

10. 6091903 - Macro lens system (2000-07-18),

11. 6064532 - Apparatus for correcting trembling of a focused image (2000-05-16),

12. 5926324 - Motor driven diaphragm apparatus for lens barrel (1999-07-20),

13. D404048 - 35 MM camera (1999-01-12),

14. 5839010 - Switch with locking resilient tabs (1998-11-17),

15. 5822132 - Soft focus lens (1998-10-13),

Asahi Kogaku Kabushiki Kaisha is a Japanese company specialized in manufacturing high-quality optical products. With over 70 years of experience, the company has established itself as a prominent player in the industry. Asahi Kogaku Kabushiki Kaisha offers a wide range of optical solutions, including lenses, cameras, and other imaging products, catering to diverse industries and applications.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

38 Patents

#833 in Tokyo

#1,982 in Japan

#17,311 in the World

Asahi Kogaku Kabushiki Kaisha

Forward Citations = 411

73 inventors:

Takayuki Ito (4 out of 135 patents)

Masahiro Kawasaki (2 out of 142 patents)

Hiroyuki Takahashi (2 out of 212 patents)

4. Teruo Ouchi (2 out of 138 patents)

5. Shigeru Iwamoto (2 out of 42 patents)

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