Akira Kawai

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Takasago, JP

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Patents Grantslast 30 patents

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Emulsifier for microcapsules, microcapsules using said emulsifier a...
- Patent number 5,068,067
- Issue date Nov 26, 1991
- Mitsubishi Paper Mills Limited
- Akira Kawai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
No-carbon pressure-sensitive copying paper
- Patent number 4,931,422
- Issue date Jun 5, 1990
- Mitsubishi Paper Mills Limited
- Mamoru Ishiguro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Microcapsule and process for their production
- Patent number 4,533,599
- Issue date Aug 6, 1985
- Mitsubishi Paper Mills, Ltd.
- Fumio Okumura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS