Hiroshi Takagi

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and method of manufacturing the same
- Patent number 6,700,321
- Issue date Mar 2, 2004
- Canon Kabushiki Kaisha
- Hideaki Mitsutake
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image forming apparatus having spacers joined with a soft member an...
- Patent number 6,512,329
- Issue date Jan 28, 2003
- Canon Kabushiki Kaisha
- Hideaki Mitsutake
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image-forming apparatus and fabrication method therefor
- Patent number 6,489,720
- Issue date Dec 3, 2002
- Canon Kabushiki Kaisha
- Ihachiro Gofuku
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Charge-up suppressing member, charge-up suppressing film, electron...
- Patent number 6,366,014
- Issue date Apr 2, 2002
- Canon Kabushiki Kaisha
- Kazuo Kuroda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Charge-reducing film, image forming apparatus including said film a...
- Patent number 6,342,754
- Issue date Jan 29, 2002
- Canon Kabushiki Kaisha
- Kazuo Kuroda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron beam apparatus, image forming apparatus using the same, co...
- Patent number 6,265,822
- Issue date Jul 24, 2001
- Canon Kabushiki Kaisha
- Kazuo Kuroda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a microactuator
- Patent number 5,454,146
- Issue date Oct 3, 1995
- Canon Kabushiki Kaisha
- Takayuki Yagi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film forming device
- Patent number 5,140,938
- Issue date Aug 25, 1992
- Canon Kabushiki Kaisha
- Yuji Kasanuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,139,849
- Issue date Aug 18, 1992
- Canon Kabushiki Kaisha
- Hiroshi Takagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid jet head, substrate for said head and liquid jet apparatus h...
- Patent number 5,113,203
- Issue date May 12, 1992
- Canon Kabushiki Kaisha
- Hiroshi Takagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Magnetic recording medium
- Patent number 5,059,468
- Issue date Oct 22, 1991
- Canon Kabushiki Kaisha
- Morimi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid jet head, substrate of (TiZrHfNb) FeNiCr and liquid jet head...
- Patent number 5,057,856
- Issue date Oct 15, 1991
- Canon Kabushiki Kaisha
- Hiroshi Takagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Metal thin film type magnetic recording medium
- Patent number 5,055,351
- Issue date Oct 8, 1991
- Canon Kabushiki Kaisha
- Ryo Fujimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method
- Patent number 5,000,995
- Issue date Mar 19, 1991
- Canon Kabushiki Kaisha
- Fumio Kishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Luminescing member, process for preparation thereof, and electrolum...
- Patent number 4,931,692
- Issue date Jun 5, 1990
- Canon Kabushiki Kaisha
- Hiroshi Takagi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for preparing magnetic recording medium
- Patent number 4,913,933
- Issue date Apr 3, 1990
- Canon Kabushiki Kaisha
- Yuji Kasanuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,910,068
- Issue date Mar 20, 1990
- Canon Kabushiki Kaisha
- Hiroshi Takagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Writing instrument with ink quantity of level detecting function
- Patent number 4,889,442
- Issue date Dec 26, 1989
- Mitsubishi Pencil Co., Ltd.
- Hiroshi Takagi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Magnetic recording medium
- Patent number 4,835,069
- Issue date May 30, 1989
- Canon Kabushiki Kaisha
- Takeshi Sawada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,816,351
- Issue date Mar 28, 1989
- Canon Kabushiki Kaisha
- Hiroshi Takagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,756,967
- Issue date Jul 12, 1988
- Canon Kabushiki Kaisha
- Morimi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing the writing tip of a ball point pen
- Patent number 4,722,124
- Issue date Feb 2, 1988
- Mitsubishi Pencil Co., Ltd.
- Toshiaki Serikawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Optical device
- Patent number 4,685,766
- Issue date Aug 11, 1987
- Canon Kabushiki Kaisha
- Yukuo Nishimura
- G02 - OPTICS
Information Patent Grant
Magnetic recording medium
- Patent number 4,673,612
- Issue date Jun 16, 1987
- Canon Kabushiki Kaisha
- Hiroshi Takagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical display utilizing thermally formed bubble in a liquid core...
- Patent number 4,640,592
- Issue date Feb 3, 1987
- Canon Kabushiki Kaisha
- Yukuo Nishimura
- G02 - OPTICS
Information Patent Grant
Magnetic recording medium
- Patent number 4,567,116
- Issue date Jan 28, 1986
- Canon Kabushiki Kaisha
- Takeshi Sawada
- G11 - INFORMATION STORAGE
Information Patent Grant
Temperature compensated magnetoresistive effect thin film magnetic...
- Patent number 4,506,220
- Issue date Mar 19, 1985
- Canon Kabushiki Kaisha
- Takeshi Sawada
- G01 - MEASURING TESTING
Information Patent Grant
Magneto-resistive effect type magnetic head
- Patent number 4,443,826
- Issue date Apr 17, 1984
- Canon Kabushiki Kaisha
- Takeshi Sawada
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Image forming apparatus and method of manufacturing the same
- Publication number 20030030367
- Publication date Feb 13, 2003
- Canon Kabushiki Kaisha
- Hideaki Mitsutake
- H01 - BASIC ELECTRIC ELEMENTS

Hiroshi Takagi

Person

Patents Grantslast 30 patents

Image forming apparatus and method of manufacturing the same

Image forming apparatus having spacers joined with a soft member an...

Image-forming apparatus and fabrication method therefor

Charge-up suppressing member, charge-up suppressing film, electron...

Charge-reducing film, image forming apparatus including said film a...

Electron beam apparatus, image forming apparatus using the same, co...

Method of manufacturing a microactuator

Thin film forming device

Magnetic recording medium

Liquid jet head, substrate for said head and liquid jet apparatus h...

Magnetic recording medium

Liquid jet head, substrate of (TiZrHfNb) FeNiCr and liquid jet head...

Metal thin film type magnetic recording medium

Magnetic recording medium and method

Luminescing member, process for preparation thereof, and electrolum...

Method for preparing magnetic recording medium

Magnetic recording medium

Writing instrument with ink quantity of level detecting function

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Method of manufacturing the writing tip of a ball point pen

Optical device

Magnetic recording medium

Optical display utilizing thermally formed bubble in a liquid core...

Magnetic recording medium

Temperature compensated magnetoresistive effect thin film magnetic...

Magneto-resistive effect type magnetic head

Patents Applicationslast 30 patents

Image forming apparatus and method of manufacturing the same