Kaoru Kodera

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Toyonaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Leuco dyes and recording materials using the same
- Patent number 5,024,699
- Issue date Jun 18, 1991
- Ricoh Company, Ltd.
- Kiyotaka Iiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording material
- Patent number 4,985,345
- Issue date Jan 15, 1991
- Ricoh Company, Ltd.
- Kunio Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Leuco dyes and recording materials using the same
- Patent number 4,925,828
- Issue date May 15, 1990
- Ricoh Company, Ltd.
- Kiyotaka Iiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of using liquid crystal device comprising dichroic dye and l...
- Patent number 4,668,050
- Issue date May 26, 1987
- Casio Computer Co., Ltd.
- Hisashi Aoki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...