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Yukitoshi TAJIMA
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Zama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Droplet discharge head, and image forming apparatus
Patent number
9,022,521
Issue date
May 5, 2015
Ricoh Company, Ltd.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid droplet discharge head, liquid droplet discharge apparatus,...
Patent number
9,004,641
Issue date
Apr 14, 2015
Ricoh Company, Ltd.
Yukitoshi Tajima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Droplet discharge head and image-forming apparatus including a firs...
Patent number
8,899,728
Issue date
Dec 2, 2014
Ricoh Company, Ltd.
Hideaki Nishimura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Droplet ejection head, method of manufacturing droplet ejection hea...
Patent number
8,708,459
Issue date
Apr 29, 2014
Ricoh Company, Limited
Hideaki Nishimura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Droplet-discharging-head manufacturing apparatus, droplet-dischargi...
Patent number
8,684,493
Issue date
Apr 1, 2014
Ricoh Company, Ltd.
Yukitoshi Tajima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet head and inkjet recording apparatus
Patent number
8,678,545
Issue date
Mar 25, 2014
Ricoh Company, Ltd.
Hideaki Nishimura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet recording apparatus
Patent number
8,646,870
Issue date
Feb 11, 2014
Ricoh Company, Ltd.
Hideaki Nishimura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Spin coater, temperature controlling method of the same, optical di...
Patent number
8,578,877
Issue date
Nov 12, 2013
Ricoh Company, Ltd.
Yukitoshi Tajima
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Liquid-droplet ejection head and liquid-droplet ejection apparatus...
Patent number
8,480,208
Issue date
Jul 9, 2013
Ricoh Company, Ltd.
Takeshi Takemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet printer head
Patent number
8,292,416
Issue date
Oct 23, 2012
Ricoh Company, Ltd.
Takakazu Kihira
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Stamper for molding article and method of producing said stamper
Patent number
7,419,710
Issue date
Sep 2, 2008
Ricoh Company, Ltd.
Shozo Murata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical disk and method of producing the same
Patent number
6,998,163
Issue date
Feb 14, 2006
Ricoh Company, Ltd.
Shozo Murata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical disk and method of producing the same
Patent number
6,686,018
Issue date
Feb 3, 2004
Ricoh Company, Ltd.
Shozo Murata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical disk and method of producing the same
Patent number
6,468,618
Issue date
Oct 22, 2002
Ricoh Company, Ltd.
Shozo Murata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Packaging of information recording media
Patent number
4,826,005
Issue date
May 2, 1989
Victor Company of Japan, Ltd.
Yukitoshi Tajima
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Packaging of information recording media
Patent number
4,782,645
Issue date
Nov 8, 1988
Victor Company of Japan, Ltd.
Yukitoshi Tajima
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
DROPLET DISCHARGE HEAD, AND IMAGE FORMING APPARATUS
Publication number
20140078221
Publication date
Mar 20, 2014
RICOH COMPANY, LTD.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
COMPOSITE COMPONENT MOLDING METAL MOLD, DROPLET DISCHARGE HEAD, ELE...
Publication number
20140071199
Publication date
Mar 13, 2014
RICOH COMPANY, LTD.
Yukitoshi Tajima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DROPLET DISCHARGE HEAD AND IMAGE-FORMING APPARATUS
Publication number
20140028756
Publication date
Jan 30, 2014
Hideaki NISHIMURA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INKJET HEAD AND INKJET RECORDING APPARATUS
Publication number
20130215188
Publication date
Aug 22, 2013
Hideaki NISHIMURA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DROPLET DISCHARGE HEAD, LIQUID DROPLET DISCHARGE APPARATUS,...
Publication number
20130176365
Publication date
Jul 11, 2013
Yukitoshi TAJIMA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INKJET RECORDING APPARATUS
Publication number
20130070021
Publication date
Mar 21, 2013
Hideaki Nishimura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DROPLET EJECTION HEAD, METHOD OF MANUFACTURING DROPLET EJECTION HEA...
Publication number
20130021412
Publication date
Jan 24, 2013
Hideaki NISHIMURA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DROPLET-DISCHARGING-HEAD MANUFACTURING APPARATUS, DROPLET-DISCHARGI...
Publication number
20120236067
Publication date
Sep 20, 2012
RICOH COMPANY, LTD.
Yukitoshi TAJIMA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID-DROPLET EJECTION HEAD AND LIQUID-DROPLET EJECTION APPARATUS...
Publication number
20110122199
Publication date
May 26, 2011
RICOH COMPANY, LTD.
Takeshi TAKEMOTO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INKJET PRINTER HEAD
Publication number
20100315471
Publication date
Dec 16, 2010
Takakazu KIHIRA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
FLUID DISCHARGE HEAD AND IMAGE FORMING APPARATUS
Publication number
20100302323
Publication date
Dec 2, 2010
Masahiro YAGI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
SPIN COATER, TEMPERATURE CONTROLLING METHOD OF THE SAME, OPTICAL DI...
Publication number
20100062155
Publication date
Mar 11, 2010
Yukitoshi Tajima
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk and method of producing the same
Publication number
20040226824
Publication date
Nov 18, 2004
Shozo Murata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Optical disk and method of producing the same
Publication number
20040109915
Publication date
Jun 10, 2004
RICOH COMPANY, LTD.
Shozo Murata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Optical disk and method of producing the same
Publication number
20020182402
Publication date
Dec 5, 2002
Shozo Murata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL