Takuji Katoh

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Arylamine compound
- Patent number 9,293,713
- Issue date Mar 22, 2016
- Ricoh Company, Ltd.
- Daisuke Goto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photoreceptor, method of evaluating a photoreceptor, and method of...
- Patent number 6,649,313
- Issue date Nov 18, 2003
- Ricoh Company, Ltd.
- Toshiyuki Kabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoreceptor, method of evaluating the photoreceptor, method of pr...
- Patent number 6,534,227
- Issue date Mar 18, 2003
- Ricoh Company, Ltd.
- Toshiyuki Kabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ARYLAMINE COMPOUND
- Publication number 20130225858
- Publication date Aug 29, 2013
- Daisuke GOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Photoreceptor, method of evaluating a photoreceptor, and method of...
- Publication number 20030175606
- Publication date Sep 18, 2003
- Toshiyuki Kabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Photoreceptor, method of evaluting the photoreceptor, method of pro...
- Publication number 20020018947
- Publication date Feb 14, 2002
- RICOH COMPANY, LTD.
- Toshiyuki Kabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY