Hirofumi Hasegawa

Person

Toyokawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Charging device
- Patent number 5,754,926
- Issue date May 19, 1998
- Minolta Co., Ltd.
- Tamotsu Sakuraba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having process cartridge with shutter and c...
- Patent number 5,697,017
- Issue date Dec 9, 1997
- Lexmark International, Inc.
- Paul Allen Rooke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,343,223
- Issue date Aug 30, 1994
- Minolta Camera Kabushiki Kaisha
- Yoshio Tohyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a plurality of vertically stacked im...
- Patent number 5,253,028
- Issue date Oct 12, 1993
- Minolta Camera Kabushiki Kaisha
- Takashi Gonda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for conveying developer in a developing device
- Patent number 5,243,390
- Issue date Sep 7, 1993
- Minolta Camera Kabushiki Kaisha
- Shinichi Takemoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,221,943
- Issue date Jun 22, 1993
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Image forming apparatus
- Patent number 5,162,845
- Issue date Nov 10, 1992
- Minolta Camera Kabushiki Kaisha
- Takayuki Ariyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Position indexing indicators for editing an image forming apparatus
- Patent number 5,153,645
- Issue date Oct 6, 1992
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming system including attachable sheet supplying units for...
- Patent number 5,150,166
- Issue date Sep 22, 1992
- Minolta Camera Co., Ltd.
- Yasuhiro Matsuura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus
- Patent number 5,150,167
- Issue date Sep 22, 1992
- Minolta Camera Kabushiki Kaisha
- Takashi Gonda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electrophotographic recorder using a modulated laser beam to scan t...
- Patent number 5,122,817
- Issue date Jun 16, 1992
- Hirofumi Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying machine providing copy paper corresponding to read image area
- Patent number 5,084,760
- Issue date Jan 28, 1992
- Minolta Camera Kabushiki Kaisha
- Kaoru Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Developing apparatus having a sealing construction for preventing a...
- Patent number 5,057,868
- Issue date Oct 15, 1991
- Minolta Camera Kabushiki Kaisha
- Hitoshi Sekino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical scanning with cylindrical lens and beam slit
- Patent number 5,051,757
- Issue date Sep 24, 1991
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- G02 - OPTICS
Information Patent Grant
Image reader
- Patent number 5,048,106
- Issue date Sep 10, 1991
- Minolta Camera Kabushiki Kaisha
- Akio Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Developing device having a space for receiving and increasing press...
- Patent number 5,047,805
- Issue date Sep 10, 1991
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Laser beam image forming apparatus with SOS Detection
- Patent number 5,025,286
- Issue date Jun 18, 1991
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with use of a laser beam
- Patent number 5,017,961
- Issue date May 21, 1991
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Copying machine capable of storing image data
- Patent number 5,006,934
- Issue date Apr 9, 1991
- Minolta Camera Kabushiki Kaisha
- Kaoru Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser beam scanner in which the line scan time is maintained consta...
- Patent number 4,982,205
- Issue date Jan 1, 1991
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Laser scanner with conjugate condition lens
- Patent number 4,978,977
- Issue date Dec 18, 1990
- Minolta Camera Kabushiki Kaisha
- Naoto Ohmori
- G02 - OPTICS
Information Patent Grant
Light beam scanning apparatus
- Patent number 4,974,921
- Issue date Dec 4, 1990
- Minolta Camera Kabushiki Kaisha
- Shin Miyata
- G02 - OPTICS
Information Patent Grant
Compact image forming apparatus for double-sided and composite copying
- Patent number 4,972,236
- Issue date Nov 20, 1990
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with use of a laser beam
- Patent number 4,965,870
- Issue date Oct 23, 1990
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming apparatus
- Patent number 4,945,390
- Issue date Jul 31, 1990
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Original illuminating apparatus
- Patent number 4,924,269
- Issue date May 8, 1990
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image reader capable of calculating the real focal length of a proj...
- Patent number 4,922,087
- Issue date May 1, 1990
- Minolta Camera Kabushiki Kaisha
- Akio Nakajima
- G02 - OPTICS
Information Patent Grant
Image forming apparatus with use of a laser beam
- Patent number 4,916,480
- Issue date Apr 10, 1990
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image scanning apparatus with expanded magnification capability
- Patent number 4,870,294
- Issue date Sep 26, 1989
- Minolta Camera Kabushiki Kaisha
- Hirofumi Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of the image processing
- Patent number 4,837,846
- Issue date Jun 6, 1989
- Minolta Camera Kabushiki Kaisha
- Masaaki Oyabu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hirofumi Hasegawa

Person

Patents Grantslast 30 patents

Charging device

Image forming apparatus having process cartridge with shutter and c...

Image forming apparatus

Image forming apparatus having a plurality of vertically stacked im...

Device for conveying developer in a developing device

Image forming apparatus

Image forming apparatus

Position indexing indicators for editing an image forming apparatus

Image forming system including attachable sheet supplying units for...

Image forming apparatus

Electrophotographic recorder using a modulated laser beam to scan t...

Copying machine providing copy paper corresponding to read image area

Developing apparatus having a sealing construction for preventing a...

Optical scanning with cylindrical lens and beam slit

Image reader

Developing device having a space for receiving and increasing press...

Laser beam image forming apparatus with SOS Detection

Image forming apparatus with use of a laser beam

Copying machine capable of storing image data

Laser beam scanner in which the line scan time is maintained consta...

Laser scanner with conjugate condition lens

Light beam scanning apparatus

Compact image forming apparatus for double-sided and composite copying

Image forming apparatus with use of a laser beam

Image-forming apparatus

Original illuminating apparatus

Image reader capable of calculating the real focal length of a proj...

Image forming apparatus with use of a laser beam

Image scanning apparatus with expanded magnification capability

Method of the image processing