Kazumi Umezawa

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus having start and stop keys integrally conne...
- Patent number 5,420,666
- Issue date May 30, 1995
- Canon Kabushiki Kaisha
- Masao Ariga
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Image forming apparatus having stationary exposure mode and dynamic...
- Patent number 5,223,899
- Issue date Jun 29, 1993
- Canon Kabushiki Kaisha
- Masao Ariga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having streamlined input for control signals
- Patent number 5,117,260
- Issue date May 26, 1992
- Canon Kabushiki Kaisha
- Masao Ariga
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Image forming apparatus with battery
- Patent number 4,896,190
- Issue date Jan 23, 1990
- Canon Kabushiki Kaisha
- Haruo Uchida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 4,763,164
- Issue date Aug 9, 1988
- Canon Kabushiki Kaisha
- Masao Ariga
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Auxiliary machine supporting structure for image forming apparatus
- Patent number 4,734,748
- Issue date Mar 29, 1988
- Canon Kabushiki Kaisha
- Toshiaki Murayama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Electrophotographic device
- Patent number 4,662,740
- Issue date May 5, 1987
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with cleaning means
- Patent number 4,437,757
- Issue date Mar 20, 1984
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic device
- Patent number 4,421,402
- Issue date Dec 20, 1983
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic device
- Patent number 4,330,199
- Issue date May 18, 1982
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying apparatus with a heated photosensitive drum
- Patent number 4,319,828
- Issue date Mar 16, 1982
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 4,312,587
- Issue date Jan 26, 1982
- Canon Kabushiki Kaisha
- Masao Ariga
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Copying apparatus for sheet originals and thicker originals
- Patent number 4,270,857
- Issue date Jun 2, 1981
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer sheet guiding device
- Patent number 4,234,305
- Issue date Nov 18, 1980
- Canon Kabushiki Kaisha
- Hiroyuki Miyake
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Copying apparatus for sheet originals and thicker originals
- Patent number 4,222,659
- Issue date Sep 16, 1980
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic developing apparatus having developer and refre...
- Patent number 4,205,622
- Issue date Jun 3, 1980
- Canon Kabushiki Kaisha
- Hiroyuki Miyake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Latch operated coil spring clutch
- Patent number 4,193,483
- Issue date Mar 18, 1980
- Canon Kabushiki Kaisha
- Masao Ariga
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Copying apparatus
- Patent number 4,192,608
- Issue date Mar 11, 1980
- Canon Kabushiki Kaisha
- Yoshitomo Goshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for cleaning a photoconductive surface with liquid toner
- Patent number 4,190,464
- Issue date Feb 26, 1980
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning method and device for electrophotographic machine
- Patent number 4,185,909
- Issue date Jan 29, 1980
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Separating mechanism
- Patent number 4,179,116
- Issue date Dec 18, 1979
- Canon Kabushiki Kaisha
- Kazumi Umezawa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Buffer device for the scanning mechanism of an electrostatic copier
- Patent number 4,158,499
- Issue date Jun 19, 1979
- Canon Kabushiki Kaisha
- Hiroyuki Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for scanning an original in a copying machine
- Patent number 4,155,641
- Issue date May 22, 1979
- Canon Kabushiki Kaisha
- Seiji Sagara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying apparatus for thick and sheet originals
- Patent number 4,154,524
- Issue date May 15, 1979
- Canon Kabushiki Kaisha
- Hiroyuki Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developing device in electrophotographic copying apparatus
- Patent number 4,146,324
- Issue date Mar 27, 1979
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Original urging device
- Patent number 4,124,296
- Issue date Nov 7, 1978
- Canon Kabushiki Kaisha
- Hirotoshi Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developer for an electrostatic copying device
- Patent number 4,110,029
- Issue date Aug 29, 1978
- Canon Kabushiki Kaisha
- Yoshitomo Goshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kazumi Umezawa

Person

Patents Grantslast 30 patents

Image forming apparatus having start and stop keys integrally conne...

Image forming apparatus having stationary exposure mode and dynamic...

Image forming apparatus having streamlined input for control signals

Image forming apparatus with battery

Image forming apparatus

Auxiliary machine supporting structure for image forming apparatus

Electrophotographic device

Image forming apparatus with cleaning means

Electrophotographic device

Electrophotographic device

Copying apparatus with a heated photosensitive drum

Image forming apparatus

Copying apparatus for sheet originals and thicker originals

Transfer sheet guiding device

Copying apparatus for sheet originals and thicker originals

Electrophotographic developing apparatus having developer and refre...

Latch operated coil spring clutch

Copying apparatus

Method for cleaning a photoconductive surface with liquid toner

Cleaning method and device for electrophotographic machine

Separating mechanism

Buffer device for the scanning mechanism of an electrostatic copier

Apparatus for scanning an original in a copying machine

Copying apparatus for thick and sheet originals

Liquid developing device in electrophotographic copying apparatus

Original urging device

Liquid developer for an electrostatic copying device