Isamu Shigyo

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for molding an optical element
- Patent number 5,417,730
- Issue date May 23, 1995
- Canon Kabushiki Kaisha
- Isamu Shigyo
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Molding method for optical element
- Patent number 5,173,100
- Issue date Dec 22, 1992
- Canon Kabushiki Kaisha
- Isamu Shigyo
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for manufacturing optical element
- Patent number 5,160,362
- Issue date Nov 3, 1992
- Canon Kabushiki Kaisha
- Kiyoshi Yamamoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Molding method for optical element and apparatus therefor
- Patent number 4,913,718
- Issue date Apr 3, 1990
- Canon Kabushiki Kaisha
- Fumitaka Yoshimura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for producing optical element
- Patent number 4,756,737
- Issue date Jul 12, 1988
- Canon Kabushiki Kaisha
- Fumitaka Yoshimura
- C03 - GLASS MINERAL OR SLAG WOOL