Yasuhiro Tsunemi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of mounting electronic circuit chip
- Patent number 7,549,208
- Issue date Jun 23, 2009
- Hitachi, Ltd.
- Chikashi Okamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of checking authenticity of sheet with built-in electronic c...
- Patent number 7,309,019
- Issue date Dec 18, 2007
- Hitachi, Ltd.
- Chikashi Okamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of checking authenticity of sheet with built-in electronic c...
- Patent number 7,007,854
- Issue date Mar 7, 2006
- Hitachi, Ltd.
- Chikashi Okamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for mounting electronic circuit chip
- Patent number 6,731,509
- Issue date May 4, 2004
- Hitachi, Ltd.
- Chikashi Okamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of checking authenticity of sheet with built-in electronic c...
- Patent number 6,659,353
- Issue date Dec 9, 2003
- Hitachi, Ltd.
- Chikashi Okamoto
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method of checking authenticity of sheet with built-in electronic c...
- Publication number 20060108412
- Publication date May 25, 2006
- Chikashi Okamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of mounting electronic circuit chip
- Publication number 20040156176
- Publication date Aug 12, 2004
- Hitachi, Ltd.
- Chikashi Okamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of checking authenticity of sheet with built-in electronic c...
- Publication number 20040060978
- Publication date Apr 1, 2004
- Hitachi, Ltd.
- Chikashi Okamoto
- G06 - COMPUTING CALCULATING COUNTING