Ushio Hase

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for treatment of semiconductor substrate with chemical solut...
- Patent number 6,286,526
- Issue date Sep 11, 2001
- NEC Corporation
- Ushio Hase
- B24 - GRINDING POLISHING
Information Patent Grant
Wet-chemical treatment method, treatment method of semiconductor su...
- Patent number 6,171,975
- Issue date Jan 9, 2001
- NEC Corporation
- Ushio Hase
- H01 - BASIC ELECTRIC ELEMENTS