Takayuki Hoshina

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Fuji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing toner for developing latent electrostatic images
- Patent number 5,565,298
- Issue date Oct 15, 1996
- Ricoh Company, Ltd.
- Yoshihiro Suguro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing latent electrostatic images
- Patent number 5,387,488
- Issue date Feb 7, 1995
- Ricoh Company, Ltd.
- Yoshikazu Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diazo-type thermosensitive recording material with hydrazone couple...
- Patent number 4,659,644
- Issue date Apr 21, 1987
- Ricoh Company, Ltd.
- Takayuki Hoshina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY