Katsuya Seki

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Urethane foam and toner-conveying roller using the same
- Patent number 10,222,721
- Issue date Mar 5, 2019
- Bridgestone Corporation
- Satoru Kusano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sealing material
- Patent number 9,403,957
- Issue date Aug 2, 2016
- Bridgestone Corporation
- Masaru Otsuka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Charge-controlled polyurethane foam and toner-conveying roller usin...
- Patent number 9,316,958
- Issue date Apr 19, 2016
- Bridgestone Corporation
- Satoru Kusano
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
SEALING MATERIAL
- Publication number 20150094390
- Publication date Apr 2, 2015
- BRIDGESTONE CORPORATION
- Masaru Otsuka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SEALING MATERIAL
- Publication number 20120123003
- Publication date May 17, 2012
- Bridgestone Corporation
- Masaru Otsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
URETHANE FOAM AND TONER-CONVEYING ROLLER USING THE SAME
- Publication number 20110188900
- Publication date Aug 4, 2011
- BRIDGESTONE CORPORATION
- Satoru Kusano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CHARGE-CONTROLLED POLYURETHANE FOAM AND TONER-CONVEYING ROLLER USIN...
- Publication number 20110177926
- Publication date Jul 21, 2011
- BRIDGESTONE CORPORATION
- Satoru Kusano
- B32 - LAYERED PRODUCTS
Information Patent Application
Sealing member
- Publication number 20030146582
- Publication date Aug 7, 2003
- Bridgestone Corporation
- Katsuya Seki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL