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Yorinobu Yamada
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Tokorozawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ink-jet head nozzle plate, its manufacturing method and ink-jet head
Patent number
6,511,156
Issue date
Jan 28, 2003
Citizen Watch Co., Ltd.
Ayako Kazama
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ferroelectric element and process for producing the same
Patent number
6,350,486
Issue date
Feb 26, 2002
Citizen Watch Co., Ltd.
Shinichi Sakamaki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Ferroelectric element process for producing the same and ink jet head
Patent number
6,343,855
Issue date
Feb 5, 2002
Citizen Watch Co., Ltd.
Shinichi Sakamaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ferroelectric element, process for producing the same, and ink jet...
Patent number
6,336,716
Issue date
Jan 8, 2002
Citizen Watch Co., Ltd.
Shinichi Sakamaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ferroelectric element and process for producing the same
Patent number
6,316,866
Issue date
Nov 13, 2001
Citizen Watch Co., Ltd.
Shinichi Sakamaki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Ferroelectric element and process for producing the same
Patent number
6,255,762
Issue date
Jul 3, 2001
Citizen Watch Co., Ltd.
Shinichi Sakamaki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Ferroelectric element, process for producing the same, and ink jet...
Patent number
6,247,799
Issue date
Jun 19, 2001
Citizen Watch Co., Ltd.
Shinichi Sakamaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Modification of pigment and electrophotographic photoreceptor with...
Patent number
5,403,687
Issue date
Apr 4, 1995
Citizen Watch Co., Ltd.
Mizue Fujimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor
Patent number
5,368,965
Issue date
Nov 29, 1994
Citizen Watch Co., Ltd.
Mizue Fujimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
FERROELECTRIC ELEMENT AND PROCESS FOR PRODUCING THE SAME
Publication number
20030067509
Publication date
Apr 10, 2003
SHINICHI SAKAMAKI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
INK JET HEAD AND PROCESS FOR PRODUCING THE SAME
Publication number
20020036673
Publication date
Mar 28, 2002
CITIZEN WATCH CO., LTD.
KOZO MIYOSHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
FERROELECTRIC ELEMENT AND RPOCESS FOR PRODUCING THE SAME
Publication number
20010041216
Publication date
Nov 15, 2001
SHINICHI SAKAMAKI
C01 - INORGANIC CHEMISTRY