Masataka Hourai

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Patents Grantslast 30 patents

Information Patent Grant
Silicon single crystal wafer
- Patent number RE39173
- Issue date Jul 11, 2006
- Sumitomo Mitsubishi Silicon Corporation
- Masataka Hourai
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Silicon single crystal wafer and manufacturing method for it
- Patent number 6,245,430
- Issue date Jun 12, 2001
- Sumitomo Sitix Corporation
- Masataka Hourai
- C30 - CRYSTAL GROWTH
Information Patent Grant
Manufacturing method for a silicon single crystal wafer
- Patent number 5,954,873
- Issue date Sep 21, 1999
- Sumitomo Sitix Corporation
- Masataka Hourai
- C30 - CRYSTAL GROWTH