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Asahi Kogaku Kogyo K.k.

USPTO Granted Patents = 176

Forward Citations = 2,694

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178 inventors (with patents filed for the assignee):

Akio Takahashi (10 out of 28 patents)

Takayuki Ito (9 out of 135 patents)

Toshimasa Yamanaka (8 out of 25 patents)

4. Masatoshi Iwama (8 out of 10 patents)

5. Takashi Okuyama (7 out of 14 patents)

6. Harumi Aoki (7 out of 87 patents)

7. Akira Morimoto (7 out of 31 patents)

8. Tetsuro Ogawa (6 out of 37 patents)

9. Saburo Sugawara (6 out of 86 patents)

10. Masato Yamamoto (6 out of 28 patents)

11. Ikuo Negoro (6 out of 35 patents)

12. Hideyuki Morita (5 out of 9 patents)

13. Yasushi Ikeda (5 out of 10 patents)

14. Masahiro Kita (5 out of 35 patents)

15. Yuji Matsui (5 out of 28 patents)

Core Competencies:

Binoculars

Camera Technology

Single-Lens Reflex Camera

Zoom Lens System

Electronic Flash

Imaging Lens System

Automatic Focusing

Surveying Instruments

Optical Pickup

Light Source Devices

High-Quality Character Generation

Close-Up Photography

176 patents: Sort by Forward Citations

1. D453173 - Casing for binoculars (2002-01-30),

2. D450337 - Cable release controller for camera (2001-11-14),

3. D449327 - Single-lens reflex digital camera body (2001-10-17),

4. 6255746 - Switch operation processing apparatus and method (2001-07-03),

5. D412005 - Digital camera body (1999-07-13),

6. 5715101 - Focusing apparatus for a surveying instrument (1998-02-03),

7. 5537265 - Electronic still camera with automatic mode setting device (1996-07-16),

8. 5426727 - High-quality character generating system and method for use therein (1995-06-20),

9. 5287135 - Built-in flash system (1994-02-15),

10. 5282089 - Zoom lens system (1994-01-25),

11. 5281404 - Composition for forming calcium phosphate type setting material and (1994-01-25),

12. 5281045 - Movable member positioning mechanism (1994-01-25),

13. 5280390 - Zoom lens system (1994-01-18),

14. 5278699 - Zoom lens system (1994-01-11),

15. 5277172 - Light source device for an endoscope (1994-01-11),

Asahi Kogaku Kogyo K.K. is a Japanese multinational company specializing in optics and imaging products. Founded in 1917, the company manufactures and sells a wide range of cameras, lenses, microscopes, and binoculars. Asahi Kogaku Kogyo is committed to providing high-quality products that excel in precision, durability, and innovation. With a strong emphasis on research and development, the company has established itself as a leading player in the global imaging industry.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

176 Patents

#341 in Tokyo

#749 in Japan

#4,604 in the World

Asahi Kogaku Kogyo K.k.

Forward Citations = 2,694

178 inventors:

Akio Takahashi (10 out of 28 patents)

Takayuki Ito (9 out of 135 patents)

Toshimasa Yamanaka (8 out of 25 patents)

4. Masatoshi Iwama (8 out of 10 patents)

5. Takashi Okuyama (7 out of 14 patents)

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