Katsuhiko Sumita

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Himeji-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device manufacturing method
- Patent number 11,791,284
- Issue date Oct 17, 2023
- Daicel Corporation
- Naoko Tsuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Release film, laminate and method for manufacturing same, and metho...
- Patent number 10,622,658
- Issue date Apr 14, 2020
- Daicel Corporation
- Hiroshi Onomichi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Surface protective film and process for producing the same
- Patent number 6,858,311
- Issue date Feb 22, 2005
- Daicel Chemical Industries, Ltd.
- Katsuhiko Sumita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Surface protective film for adhesive resin and process for producin...
- Patent number 6,777,100
- Issue date Aug 17, 2004
- Daicel Chemical Industries, Ltd.
- Katsuhiko Sumita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE MANUFACTURING METHOD
- Publication number 20210358867
- Publication date Nov 18, 2021
- DAICEL CORPORATION
- Naoko TSUJI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RELEASE FILM, LAMINATE AND METHOD FOR MANUFACTURING SAME, AND METHO...
- Publication number 20160276689
- Publication date Sep 22, 2016
- DAICEL CORPORATION
- Hiroshi ONOMICHI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Surface protective film and process for producing the same
- Publication number 20040067371
- Publication date Apr 8, 2004
- Katsuhiko Sumita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Surface protective film for adhesive resin and process for producin...
- Publication number 20030232165
- Publication date Dec 18, 2003
- Katsuhiko Sumita
- B32 - LAYERED PRODUCTS
Information Patent Application
Image receiving sheet and process for producing the same
- Publication number 20010021439
- Publication date Sep 13, 2001
- Katsuhiko Sumita
- B32 - LAYERED PRODUCTS