Kohichi Hayakawa

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Hitachinaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Inspection method, apparatus and system for circuit pattern
- Patent number 6,919,564
- Issue date Jul 19, 2005
- Hitachi, Ltd.
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Inspection method, apparatus and system for circuit pattern
- Patent number 6,903,821
- Issue date Jun 7, 2005
- Hitachi, Ltd.
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Inspection method, apparatus and system for circuit pattern
- Patent number 6,759,655
- Issue date Jul 6, 2004
- Hitachi, Ltd.
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Inspection method, apparatus and system for circuit pattern
- Patent number 6,493,082
- Issue date Dec 10, 2002
- Hitachi, Ltd.
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Inspection method, apparatus and system for circuit pattern
- Patent number 6,421,122
- Issue date Jul 16, 2002
- Hitachi, Ltd.
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Inspection method, apparatus and system for circuit pattern
- Publication number 20030058444
- Publication date Mar 27, 2003
- Hitachi, Ltd
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Inspection method, apparatus and system for circuit pattern
- Publication number 20020113967
- Publication date Aug 22, 2002
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Inspection method, apparatus and system for circuit pattern
- Publication number 20020109088
- Publication date Aug 15, 2002
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Inspection method, apparatus and system for circuit pattern
- Publication number 20020105648
- Publication date Aug 8, 2002
- Hitachi, Ltd
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Inspection method, apparatus and system for circuit pattern
- Publication number 20010019411
- Publication date Sep 6, 2001
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Inspection method, apparatus and system for circuit pattern
- Publication number 20010011706
- Publication date Aug 9, 2001
- Yasuhiko Nara
- G06 - COMPUTING CALCULATING COUNTING