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Isao Hakamada
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Multibeam emitting device
Patent number
4,971,415
Issue date
Nov 20, 1990
Canon Kabushiki Kaisha
Toshitami Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Charging device
Patent number
4,858,062
Issue date
Aug 15, 1989
Canon Kabushiki Kaisha
Naoji Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Semiconductor laser device having a semiconductor region for creati...
Patent number
4,829,534
Issue date
May 9, 1989
Canon Kabushiki Kaisha
Seiichi Miyazawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having a superlattice structure
Patent number
4,796,067
Issue date
Jan 3, 1989
Canon Kabushiki Kaisha
Akira Shimizu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor laser provided with a plurality of lasers in the form...
Patent number
4,794,609
Issue date
Dec 27, 1988
Canon Kabushiki Kaisha
Toshitami Hara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser having superlattice structure
Patent number
4,794,611
Issue date
Dec 27, 1988
Canon Kabushiki Kaisha
Toshitami Hara
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor device and its fabrication
Patent number
4,706,254
Issue date
Nov 10, 1987
Canon Kabushiki Kaisha
Hidetoshi Nojiri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Image recording apparatus
Patent number
4,667,209
Issue date
May 19, 1987
Canon Kabushiki Kaisha
Isao Hakamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semi-conductor laser apparatus with support and soldering means for...
Patent number
4,403,243
Issue date
Sep 6, 1983
Canon Kabushiki Kaisha
Isao Hakamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Image forming optical system using a semiconductor laser
Patent number
4,323,297
Issue date
Apr 6, 1982
Canon Kabushiki Kaisha
Naoto Kawamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming optical system for semiconductor laser
Patent number
4,253,735
Issue date
Mar 3, 1981
Canon Kabushiki Kaisha
Naoto Kawamura
G02 - OPTICS