Optec Dai-Ichi Denko Co., Ltd.

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Higashikurume, JP

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Patents Grantslast 30 patents

Information Patent Grant
Automotive engine control system with rotary encoder indexing
- Patent number 5,212,380
- Issue date May 18, 1993
- Optec D.D. Meico Laboratory Co., Ltd.
- Seiichi Sato
- G01 - MEASURING TESTING
Information Patent Grant
Optical rotary encoder with indexing
- Patent number 5,130,536
- Issue date Jul 14, 1992
- Optec D.D. Melco Laboratory Co., Ltd.
- Seiichi Sato
- G01 - MEASURING TESTING
Information Patent Grant
Photointerruptor for use in optical transmission-type rotary encoder
- Patent number 5,073,001
- Issue date Dec 17, 1991
- Optec D.D. Melco Laboratory Co., Ltd.
- Seiichi Sato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical rotary encoder having large and small numerical aperture fi...
- Patent number 5,038,031
- Issue date Aug 6, 1991
- Optec D.D. Melco Laboratory Co., Ltd.
- Yoshi Kurosawa
- G01 - MEASURING TESTING
Information Patent Grant
Photointerruptor for use in light-transmission type rotary encoder
- Patent number 5,015,056
- Issue date May 14, 1991
- Optec D.D. Melco Laboratory Co., Ltd.
- Kazuo Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY