Ayumu Midorikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection apparatus
- Patent number 5,424,790
- Issue date Jun 13, 1995
- Olympus Optical Co., Ltd.
- Katsuhiko Tsunefuji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic recording system for camera using film with magnetic recor...
- Patent number 5,335,029
- Issue date Aug 2, 1994
- Olympus Optical Co., Ltd.
- Junichi Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY