Kentaro Hirai

Follow

Person

Miyagi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Protecting method for semiconductor wafer and surface protecting ad...
- Patent number 6,730,595
- Issue date May 4, 2004
- Mitsui Chemicals, Inc.
- Yoshihisa Saimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing semiconductor wafer
- Patent number 6,273,791
- Issue date Aug 14, 2001
- Mitsui Chemicals, Inc.
- Makoto Kataoka
- B24 - GRINDING POLISHING
Information Patent Grant
Preparation process of semiconductor wafer
- Patent number 6,159,827
- Issue date Dec 12, 2000
- Mitsui Chemicals, Inc.
- Makoto Kataoka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Protecting method for semiconductor wafer and surface protecting ad...
- Publication number 20020106868
- Publication date Aug 8, 2002
- Yoshihisa Saimoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...