Hiroshi Arai

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a piezoelectric vibration element for an in...
- Patent number 7,600,318
- Issue date Oct 13, 2009
- Seiko Epson Corporation
- Tsuyoshi Kitahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of manufacturing a piezoelectric vibration element for an in...
- Patent number 7,100,282
- Issue date Sep 5, 2006
- Seiko Epson Corporation
- Tsuyoshi Kitahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Inkjet recording head, piezoelectric vibration element unit used fo...
- Patent number 6,578,953
- Issue date Jun 17, 2003
- Seiko Epson Corporation
- Tsuyoshi Kitahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ink-jet printhead
- Patent number 5,992,976
- Issue date Nov 30, 1999
- Seiko Epson Corporation
- Hitotoshi Kimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing a piezoelectric vibration element an inkjet...
- Publication number 20060254037
- Publication date Nov 16, 2006
- Seiko Epson Corporation
- Tsuyoshi Kitahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Inkjet recording head, piezoelectric vibration element unit used fo...
- Publication number 20030204951
- Publication date Nov 6, 2003
- Seiko Epson Corporation
- Tsuyoshi Kitahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Inkjet recording head, piezoelectric vibration element unit used fo...
- Publication number 20010038404
- Publication date Nov 8, 2001
- Tsuyoshi Kitahara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS