Isao Doi

Person

Toyonaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a nozzle plate for a liquid ejection head
- Patent number 8,881,399
- Issue date Nov 11, 2014
- Konica Minolta Holdings, Inc.
- Atsuro Yanata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for manufacturing nozzle plate for liquid ejection head, noz...
- Patent number 8,162,439
- Issue date Apr 24, 2012
- Konica Minolta Holdings, Inc.
- Isao Doi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid solution ejecting apparatus
- Patent number 7,665,829
- Issue date Feb 23, 2010
- Konica Minolta Holdings, Inc.
- Nobuhiro Ueno
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Light shutter device
- Patent number 6,661,555
- Issue date Dec 9, 2003
- Minolta Co., Ltd.
- Tomohiko Masuda
- G02 - OPTICS
Information Patent Grant
Light shutter device
- Patent number 6,441,941
- Issue date Aug 27, 2002
- Minolta Co., Ltd.
- Isao Doi
- G02 - OPTICS
Information Patent Grant
Light shutter device
- Patent number 6,347,894
- Issue date Feb 19, 2002
- Minolta Co., Ltd.
- Tsukasa Yagi
- G02 - OPTICS
Information Patent Grant
Optical element and light shutter device using the same
- Patent number 6,124,965
- Issue date Sep 26, 2000
- Minolta Co., Ltd.
- Isao Doi
- G02 - OPTICS
Information Patent Grant
Image forming apparatus
- Patent number 5,930,565
- Issue date Jul 27, 1999
- Minolta Co., Ltd.
- Isao Doi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging method and charging device
- Patent number 5,881,343
- Issue date Mar 9, 1999
- Minolta Co., Ltd.
- Keiko Momotani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic recording apparatus having a floating electrode on a...
- Patent number 5,862,443
- Issue date Jan 19, 1999
- Minolta Co., Ltd.
- Akihito Ikegawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Charging method and charging device
- Patent number 5,860,046
- Issue date Jan 12, 1999
- Minolta Co., Ltd.
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus with low ozone generation
- Patent number 5,790,925
- Issue date Aug 4, 1998
- Minolta Co., Ltd.
- Isao Doi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 5,774,169
- Issue date Jun 30, 1998
- Minolta Co., Ltd.
- Akihito Ikegawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Charging device and image forming apparatus
- Patent number 5,652,649
- Issue date Jul 29, 1997
- Minolta Co., Ltd.
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact charger and image forming apparatus provided with same
- Patent number 5,572,294
- Issue date Nov 5, 1996
- Minolta Co., Ltd.
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact charger and image forming apparatus provided with same
- Patent number 5,557,372
- Issue date Sep 17, 1996
- Minolta Co., Ltd.
- Seishi Ojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact type charging device and image forming apparatus having the...
- Patent number 5,557,375
- Issue date Sep 17, 1996
- Minolta Co., Ltd.
- Keiko Nagayasu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member having surface protective layer with specifie...
- Patent number 5,536,610
- Issue date Jul 16, 1996
- Minolta Camera Kabushiki Kaisha
- Seishi Ojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic particle-containing member for use in copying machine
- Patent number 5,396,317
- Issue date Mar 7, 1995
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Production method of photosensitive member by eliminating outermost...
- Patent number 5,330,873
- Issue date Jul 19, 1994
- Minolta Camera Kabushiki Kaisha
- Isao Doi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member excellent in antioxidation
- Patent number 5,308,727
- Issue date May 3, 1994
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photosensitive member having fine irregularities on its sur...
- Patent number 5,242,776
- Issue date Sep 7, 1993
- Minolta Camera Kabushiki Kaisha
- Isao Doi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member having fine cracks in surface protective layer
- Patent number 5,242,773
- Issue date Sep 7, 1993
- Minolta Camera Kabushiki Kaisha
- Shuji Iino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photosensitive member comprising a binder resin and a solvent
- Patent number 5,232,799
- Issue date Aug 3, 1993
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photosensitive member comprising a charge transport layer w...
- Patent number 5,198,317
- Issue date Mar 30, 1993
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method
- Patent number 5,155,002
- Issue date Oct 13, 1992
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive medium with a protective layer of amorphous hydrocar...
- Patent number 5,139,906
- Issue date Aug 18, 1992
- Minolta Camera Kabushiki Kaisha
- Isao Doi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus equipped with separating pawl with specifie...
- Patent number 5,138,381
- Issue date Aug 11, 1992
- Minolta Camera Kabushiki Kaisha
- Kenji Masaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Separating device for sheet-like member including separating pawl c...
- Patent number 5,125,644
- Issue date Jun 30, 1992
- Minolta Camera Kabushiki Kaisha
- Kenji Masaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member excellent in antioxidation
- Patent number 5,096,793
- Issue date Mar 17, 1992
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING NOZZLE PLATE FOR LIQUID EJECTION HEAD, NOZ...
- Publication number 20100134560
- Publication date Jun 3, 2010
- Isao Doi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
MANUFACTURING METHOD OF NOZZLE PLATE FOR LIQUID EJECTION HEAD, NOZZ...
- Publication number 20090195605
- Publication date Aug 6, 2009
- Atsuro Yanata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Liquid Solution Ejecting Apparatus
- Publication number 20070200898
- Publication date Aug 30, 2007
- Konica Minolta Holdings, Inc.
- Nobuhiro Ueno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Light shutter device
- Publication number 20020186446
- Publication date Dec 12, 2002
- MINOLTA CO., LTD.
- Tomohiko Masuda
- G02 - OPTICS
Information Patent Application
OPTICAL WRITING DEVICE OBTAINING A CONSTANT AMOUNT OF PASS-THROUGH...
- Publication number 20010043262
- Publication date Nov 22, 2001
- TSUKASA YAGI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Light shutter device
- Publication number 20010004295
- Publication date Jun 21, 2001
- MINOLTA CO., LTD.
- Isao Doi
- G02 - OPTICS

Person

Patents Grantslast 30 patents

Method of manufacturing a nozzle plate for a liquid ejection head

Method for manufacturing nozzle plate for liquid ejection head, noz...

Liquid solution ejecting apparatus

Light shutter device

Light shutter device

Light shutter device

Optical element and light shutter device using the same

Image forming apparatus

Charging method and charging device

Electrostatic recording apparatus having a floating electrode on a...

Charging method and charging device

Electrophotographic image forming apparatus with low ozone generation

Image forming apparatus

Charging device and image forming apparatus

Contact charger and image forming apparatus provided with same

Contact charger and image forming apparatus provided with same

Contact type charging device and image forming apparatus having the...

Photosensitive member having surface protective layer with specifie...

Magnetic particle-containing member for use in copying machine

Production method of photosensitive member by eliminating outermost...

Photosensitive member excellent in antioxidation

Organic photosensitive member having fine irregularities on its sur...

Photosensitive member having fine cracks in surface protective layer

Organic photosensitive member comprising a binder resin and a solvent

Organic photosensitive member comprising a charge transport layer w...

Image forming method

Photosensitive medium with a protective layer of amorphous hydrocar...

Image forming apparatus equipped with separating pawl with specifie...

Separating device for sheet-like member including separating pawl c...

Photosensitive member excellent in antioxidation

Patents Applicationslast 30 patents

METHOD FOR MANUFACTURING NOZZLE PLATE FOR LIQUID EJECTION HEAD, NOZ...

MANUFACTURING METHOD OF NOZZLE PLATE FOR LIQUID EJECTION HEAD, NOZZ...

Liquid Solution Ejecting Apparatus

Light shutter device

OPTICAL WRITING DEVICE OBTAINING A CONSTANT AMOUNT OF PASS-THROUGH...

Light shutter device