Kouji Ohnishi

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Akashi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid drop ejecting head, image forming device, and method of manu...
- Patent number 9,138,998
- Issue date Sep 22, 2015
- Ricoh Company, Ltd.
- Kouji Ohnishi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Actuator element, liquid drop discharge head, liquid drop discharge...
- Patent number 9,033,468
- Issue date May 19, 2015
- Ricoh Company, Ltd.
- Kouji Ohnishi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and droplet-ejecting head for droplet-ejecting recording app...
- Patent number 7,950,770
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Toshiroh Tokuno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-jet head, method of producing the same, and ink-jet printing sy...
- Patent number 6,568,794
- Issue date May 27, 2003
- Ricoh Company, Ltd.
- Kunihiro Yamanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
ACTUATOR ELEMENT, LIQUID DROP DISCHARGE HEAD, LIQUID DROP DISCHARGE...
- Publication number 20140267506
- Publication date Sep 18, 2014
- RICOH COMPANY, LTD.
- Kouji Ohnishi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DROP EJECTING HEAD, IMAGE FORMING DEVICE, AND METHOD OF MANU...
- Publication number 20130250008
- Publication date Sep 26, 2013
- RICOH COMPANY, LTD.
- Kouji OHNISHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method and droplet-ejecting head for droplet-ejecting recording app...
- Publication number 20070222812
- Publication date Sep 27, 2007
- Toshiroh Tokuno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink-jet head, method of producing the same, and ink-jet printing sy...
- Publication number 20020027576
- Publication date Mar 7, 2002
- Ricoh Company, Ltd.
- Kunihiro Yamanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS