Yasunori Yamada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of grinding semiconductor wafers, grinding surface plate, an...
- Patent number 8,092,277
- Issue date Jan 10, 2012
- Sumco Corporation
- Tomohiro Hashii
- B24 - GRINDING POLISHING
Information Patent Grant
Reclamation method of semiconductor wafer
- Patent number 8,092,278
- Issue date Jan 10, 2012
- Sumco Corporation
- Yasunori Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resin composition and resin sheet
- Patent number 6,566,447
- Issue date May 20, 2003
- Riken Vinyl Industry Co., Ltd.
- Yasushi Tokunaga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin composition and resin sheet
- Patent number 6,433,081
- Issue date Aug 13, 2002
- Riken Technos Corporation
- Yasushi Tokunaga
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for treatment of Bayer liquor
- Patent number 4,280,987
- Issue date Jul 28, 1981
- Showa Aluminum Industries K.K.
- Yasunori Yamada
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF GRINDING SEMICONDUCTOR WAFERS, GRINDING SURFACE PLATE, AN...
- Publication number 20090298396
- Publication date Dec 3, 2009
- SUMCO CORPORATION
- Tomohiro HASHII
- B24 - GRINDING POLISHING
Information Patent Application
METHOD OF GRINDING SEMICONDUCTOR WAFERS AND DEVICE FOR GRINDING BOT...
- Publication number 20090298397
- Publication date Dec 3, 2009
- SUMCO CORPORATION
- Yasunori YAMADA
- B24 - GRINDING POLISHING
Information Patent Application
SEMICONDUCTOR WAFER
- Publication number 20090297755
- Publication date Dec 3, 2009
- SUMCO CORPORATION
- Sakae KOYATA
- C30 - CRYSTAL GROWTH
Information Patent Application
RECLAMATION METHOD OF SEMICONDUCTOR WAFER
- Publication number 20090291621
- Publication date Nov 26, 2009
- SUMCO CORPORATION
- Yasunori YAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR WAFER
- Publication number 20090286047
- Publication date Nov 19, 2009
- SUMCO CORPORATION
- Yasunori YAMADA
- H01 - BASIC ELECTRIC ELEMENTS