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Yoshihiro Hagiwara
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Niigata, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Oscillating liquid level measuring apparatus
Patent number
6,490,921
Issue date
Dec 10, 2002
Fuji Xerox Co., Ltd.
Yoshihiro Hagiwara
G01 - MEASURING TESTING
Information
Patent Grant
Device for adjusting a developing solution for an electrostatic wet...
Patent number
6,480,683
Issue date
Nov 12, 2002
Fuji Xerox Co., Ltd.
Yoshihiro Hagiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic ink jet printer
Patent number
6,412,895
Issue date
Jul 2, 2002
NEC Corporation
Hitoshi Takemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Toner concentration measuring apparatus
Patent number
6,377,760
Issue date
Apr 23, 2002
Fuji Xerox Co., Ltd.
Yoshihiro Hagiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic ink jet recording head having electrophoretic electro...
Patent number
6,362,859
Issue date
Mar 26, 2002
NEC Corporation
Yoshihiro Hagiwara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrostatic inkjet head having an ink drain for draining ink from...
Patent number
6,331,046
Issue date
Dec 18, 2001
NEC Corporation
Toru Yakushiji
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Test method and system for uninterruptible power supply
Patent number
6,236,226
Issue date
May 22, 2001
NEC Corporation
Yoshihiro Hagiwara
G01 - MEASURING TESTING
Information
Patent Grant
Inkjet recording apparatus having gate electrodes and print head th...
Patent number
6,224,193
Issue date
May 1, 2001
NEC Corporation
Hitoshi Minemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Simple electrostatic ink jet printing head having low cost
Patent number
6,220,696
Issue date
Apr 24, 2001
NEC Corporation
Junichi Suetsugu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink-jet recording device for suppressing excess electrophoretic acc...
Patent number
6,220,695
Issue date
Apr 24, 2001
NEC Corporation
Hitoshi Minemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Injet recording apparatus
Patent number
6,213,591
Issue date
Apr 10, 2001
NEC Corporation
Junichi Suetsugu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrostatic ink jet recorder having ejection electrodes and auxil...
Patent number
6,208,321
Issue date
Mar 27, 2001
NEC Corporation
Tadashi Mizoguchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet recording apparatus
Patent number
6,190,004
Issue date
Feb 20, 2001
NEC Corporation
Hitoshi Minemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Control system for applying biasing and recording signals to record...
Patent number
6,183,065
Issue date
Feb 6, 2001
NEC Corporation
Junichi Suetsugu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrostatic ink jet recording apparatus that adjusts the amount o...
Patent number
6,179,418
Issue date
Jan 30, 2001
NEC Corporation
Tadashi Mizoguchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet recording head having ink stirring electrodes for dispersin...
Patent number
6,172,693
Issue date
Jan 9, 2001
NEC Corporation
Hitoshi Minemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Toner quantity detection and replenishment system for an electrosta...
Patent number
6,164,760
Issue date
Dec 26, 2000
NEC Corporation
Tadashi Mizoguchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet recording device
Patent number
6,161,911
Issue date
Dec 19, 2000
NEC Corporation
Hitoshi Minemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrostatic ink-jet recording head having a head chip provided wi...
Patent number
6,161,922
Issue date
Dec 19, 2000
NEC Corporation
Kazuo Shima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Apparatus and method for ink-jet printing using extending ink-eject...
Patent number
6,155,672
Issue date
Dec 5, 2000
NEC Corporation
Junichi Suetsugu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrostatic ink jet recorder
Patent number
6,152,557
Issue date
Nov 28, 2000
NEC Corporation
Yoshihiro Hagiwara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Toner concentration measuring method, toner concentration measuring...
Patent number
6,154,620
Issue date
Nov 28, 2000
NEC Corporation
Yoshihiro Hagiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Precision ejection ink-jet printing apparatus
Patent number
6,142,610
Issue date
Nov 7, 2000
NEC Corporation
Hitoshi Minemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink cartridge capable of preventing leak of ink
Patent number
6,135,590
Issue date
Oct 24, 2000
NEC Corporation
Tomoya Saeki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrostatic ink-jet printing head having projections extending ou...
Patent number
6,135,588
Issue date
Oct 24, 2000
NEC Corporation
Yoshihiro Hagiwara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet recording apparatus having specific driving circuitry for dr...
Patent number
6,130,691
Issue date
Oct 10, 2000
NEC Corporation
Hitoshi Takemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet apparatus and method for ejecting particulate matter from an...
Patent number
6,123,416
Issue date
Sep 26, 2000
NEC Corporation
Hitoshi Minemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet recording apparatus
Patent number
6,120,122
Issue date
Sep 19, 2000
NEC Corporation
Hitoshi Takemoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of producing a record head for an electrostatic ink jet reco...
Patent number
6,119,342
Issue date
Sep 19, 2000
NEC Corporation
Kazuo Shima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink supply mechanism
Patent number
6,116,727
Issue date
Sep 12, 2000
NEC Corporation
Yoshihiro Hagiwara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Oscillating liquid level measuring apparatus
Publication number
20020124647
Publication date
Sep 12, 2002
NEC Corporation
Yoshihiro Hagiwara
G01 - MEASURING TESTING
Information
Patent Application
Device for adjusting a developing solution for an electrostatic wet...
Publication number
20010008585
Publication date
Jul 19, 2001
Yoshihiro Hagiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY