Ink jet head and method of producing the same

United States of America Patent

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Sep 17, 2002
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Jan 3, 2002
app pub date
Jul 10, 1998
filing date
Jul 22, 1997

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Expired

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Abstract

An ink jet head and a method of producing the same are disclosed. Use is made of a sufficiently thick single crystal at the time of anodic bonding, so that a vibration plate is free from deformation without resorting to any special short-circuit electrode.

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Patent Owner	Address
RICOH COMPANY LTD	3-6 NAKAMAGOME 1-CHOME OHTA-KU TOKYO 1438555 ?1438555

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Inventor Name	Address	# of filed Patents	Total Citations
Esashi, Masayoshi	Miyagi, JP	67	1403
Kato, Seiichi	Miyagi, JP	92	641
Sato, Yukito	Miyagi, JP	17	444

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Ink jet head and method of producing the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09113638

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PATENT NO	6450618
APP PUB NO	20020001018A1
SERIAL NO	09113638
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 17, 2002	US,6450618,B2 US6450618B2	GRANTED PATENT AS SECOND PUBLICATION
January 03, 2002	US,20020001018,A1 US20020001018A1	FIRST PUBLISHED PATENT APPLICATION

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09113638

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