Mariko Urushibara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for polishing semiconductor device
- Patent number 6,576,552
- Issue date Jun 10, 2003
- Hitachi, Ltd.
- Hiroyuki Kojima
- B24 - GRINDING POLISHING
Information Patent Grant
Method for polishing semiconductor device
- Patent number 6,489,243
- Issue date Dec 3, 2002
- Hitachi, Ltd.
- Hiroyuki Kojima
- B24 - GRINDING POLISHING
Information Patent Grant
Method for polishing semiconductor device
- Patent number 6,420,265
- Issue date Jul 16, 2002
- Hitachi, Ltd.
- Hiroyuki Kojima
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Method for polishing semiconductor device
- Publication number 20020098698
- Publication date Jul 25, 2002
- Hiroyuki Kojima
- B24 - GRINDING POLISHING
Information Patent Application
Method for polishing semiconductor device
- Publication number 20020086538
- Publication date Jul 4, 2002
- Hiroyuki Kojima
- B24 - GRINDING POLISHING