Mitsuru Sakai

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Kisarazu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plastic polarized lens, method for producing the same, and polarize...
- Patent number 9,086,531
- Issue date Jul 21, 2015
- Mitsui Chemicals, Inc.
- Akinori Ryu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Expandable film, dicing film, and method of producing semiconductor...
- Patent number 8,728,910
- Issue date May 20, 2014
- Mitsui Chemicals, Inc.
- Eiji Hayashishita
- B32 - LAYERED PRODUCTS
Information Patent Grant
Sheet for protecting surface of semiconductor wafer, semiconductor...
- Patent number 8,476,740
- Issue date Jul 2, 2013
- Mitsui Chemicals Tohcello, Inc.
- Eiji Hayashishita
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
PLASTIC POLARIZED LENS, METHOD FOR PRODUCING THE SAME, AND POLARIZE...
- Publication number 20130155507
- Publication date Jun 20, 2013
- Mitsui Chemicals, Inc.
- Akinori Ryu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
EXPANDABLE FILM, DICING FILM, AND METHOD OF PRODUCING SEMICONDUCTOR...
- Publication number 20120309170
- Publication date Dec 6, 2012
- MITSUI CHEMICALS, INC.
- Eiji Hayashishita
- B32 - LAYERED PRODUCTS
Information Patent Application
SHEET FOR PROTECTING SURFACE OF SEMICONDUCTOR WAFER, SEMICONDUCTOR...
- Publication number 20120273975
- Publication date Nov 1, 2012
- Mitsui Chemcials Tohcello Inc.
- Eiji Hayashishita
- H01 - BASIC ELECTRIC ELEMENTS