Koichi Okumura

Follow

Person

Sakai, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Waterproof mechanism, sealing member, and camera including the same
- Patent number 6,002,884
- Issue date Dec 14, 1999
- Minolta Co., Ltd.
- Koichi Okumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Binocular
- Patent number 5,235,458
- Issue date Aug 10, 1993
- Minolta Camera Kabushiki Kaisha
- Katsuhito Akagi
- G02 - OPTICS