Forward Citations = 29

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7 inventors (with patents filed for the assignee):

Kazuo Yamaguchi (4 out of 15 patents)

Seiichi Sato (4 out of 52 patents)

Atsushi Ueda (4 out of 31 patents)

4. Masami Matsumura (4 out of 14 patents)

5. Yoshi Kurosawa (4 out of 5 patents)

6. Fumitaka Imamura (1 out of 1 patent)

7. Satoru Hagihara (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 5212380 - Automotive engine control system with rotary encoder indexing (1993-05-18),

2. 5073001 - Photointerruptor for use in optical transmission-type rotary encoder (1991-12-17),

3. 5038031 - Optical rotary encoder having large and small numerical aperture fibers (1991-08-06),

4. 5015056 - Photointerruptor for use in light-transmission type rotary encoder (1991-05-14),

Optec Dai-ichi Denko Co., Ltd. is a leading manufacturer of optical components and systems. With over 40 years of experience in the industry, the company offers a wide range of products including lenses, prisms, filters, and optical assemblies. Optec's advanced technologies and commitment to quality have made them a trusted partner for customers in various industries such as medical, defense, and aerospace.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

4 Patents

#2,780 in Tokyo

#7,416 in Japan

Tokyo, Japan

Optec Dai-Ichi Denko Co., Ltd.