Hisao Morohashi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plastic optical member and light-quantity-controlling member each h...
- Patent number 5,384,658
- Issue date Jan 24, 1995
- Ohno Research & Development Laboratories Co. Ltd.
- Genji Ohtake
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thin schaukasten
- Patent number 4,267,489
- Issue date May 12, 1981
- Ohno Research and Development Laboratories Company Limited
- Hisao Morohashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS