Mitsuhiro Tokuhara

Person

Chigasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Variable magnification image forming apparatus
- Patent number 5,099,282
- Issue date Mar 24, 1992
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image processing apparatus
- Patent number 4,833,721
- Issue date May 23, 1989
- Canon Kabushiki Kaisha
- Masatoshi Okutomi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Projection apparatus provided with an electro-mechanical transducer...
- Patent number 4,793,699
- Issue date Dec 27, 1988
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color image reading apparatus with a plurality of line sensors in w...
- Patent number 4,734,762
- Issue date Mar 29, 1988
- Canon Kabushiki Kaisha
- Takao Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging optical system using distributed index optical elements
- Patent number 4,719,488
- Issue date Jan 12, 1988
- Canon Kabushiki Kaisha
- Michitaka Setani
- G02 - OPTICS
Information Patent Grant
Copy board apparatus
- Patent number 4,702,586
- Issue date Oct 27, 1987
- Canon Kabushiki Kaisha
- Takashi Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus
- Patent number 4,679,931
- Issue date Jul 14, 1987
- Canon Kabushiki Kaisha
- Tetsuo Sueda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image exposing apparatus
- Patent number 4,641,944
- Issue date Feb 10, 1987
- Canon Kabushiki Kaisha
- Haruhisa Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of forming a light source by the use of a refractive index d...
- Patent number 4,634,233
- Issue date Jan 6, 1987
- Canon Kabushiki Kaisha
- Akihiro Usami
- G02 - OPTICS
Information Patent Grant
Slit exposure projection device
- Patent number 4,624,555
- Issue date Nov 25, 1986
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G02 - OPTICS
Information Patent Grant
Electrophotographic copying apparatus with original light detector
- Patent number 4,588,283
- Issue date May 13, 1986
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Variable power projecting device
- Patent number 4,586,814
- Issue date May 6, 1986
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G02 - OPTICS
Information Patent Grant
Variable magnification optical system
- Patent number 4,560,242
- Issue date Dec 24, 1985
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G02 - OPTICS
Information Patent Grant
Printer head and electrophotographic printer utilizing the same
- Patent number 4,560,999
- Issue date Dec 24, 1985
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Projection device
- Patent number 4,536,084
- Issue date Aug 20, 1985
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Variable magnification optical apparatus
- Patent number 4,497,573
- Issue date Feb 5, 1985
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying apparatus having a magnification changing function
- Patent number 4,474,461
- Issue date Oct 2, 1984
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection device
- Patent number 4,459,016
- Issue date Jul 10, 1984
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Variable magnification optical apparatus
- Patent number 4,457,616
- Issue date Jul 3, 1984
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Original reader
- Patent number 4,455,577
- Issue date Jun 19, 1984
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scanning illuminating device
- Patent number 4,429,353
- Issue date Jan 31, 1984
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical system for copying
- Patent number 4,384,766
- Issue date May 24, 1983
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G02 - OPTICS
Information Patent Grant
Scanning illuminator
- Patent number 4,364,658
- Issue date Dec 21, 1982
- Canon Kabushiki Kaisha
- Susumu Seto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Scanning illuminator
- Patent number 4,350,433
- Issue date Sep 21, 1982
- Canon Kabushiki Kaisha
- Susumu Seto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Television camera
- Patent number 4,263,613
- Issue date Apr 21, 1981
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
TV camera
- Patent number 4,259,688
- Issue date Mar 31, 1981
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G01 - MEASURING TESTING
Information Patent Grant
Dichroic mirror with at least ten layers
- Patent number 4,247,167
- Issue date Jan 27, 1981
- Canon Kabushiki Kaisha
- Mitsuhiro Tokuhara
- G02 - OPTICS

Mitsuhiro Tokuhara

Person

Patents Grantslast 30 patents

Variable magnification image forming apparatus

Image processing apparatus

Projection apparatus provided with an electro-mechanical transducer...

Color image reading apparatus with a plurality of line sensors in w...

Imaging optical system using distributed index optical elements

Copy board apparatus

Electrophotographic apparatus

Image exposing apparatus

Method of forming a light source by the use of a refractive index d...

Slit exposure projection device

Electrophotographic copying apparatus with original light detector

Variable power projecting device

Variable magnification optical system

Printer head and electrophotographic printer utilizing the same

Projection device

Variable magnification optical apparatus

Copying apparatus having a magnification changing function

Projection device

Variable magnification optical apparatus

Original reader

Scanning illuminating device

Optical system for copying

Scanning illuminator

Scanning illuminator

Television camera

TV camera

Dichroic mirror with at least ten layers