Masaaki Yokota

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mold and method of manufacturing the same
- Patent number 5,662,999
- Issue date Sep 2, 1997
- Canon Kabushiki Kaisha
- Yasushi Taniguchi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of manufacturing optical device
- Patent number 5,032,159
- Issue date Jul 16, 1991
- Canon Kabushiki Kaisha
- Tetsuo Kuwabara
- 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