Yoshifumi Homma

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drum driving unit of electrophotography printer
- Patent number 5,132,728
- Issue date Jul 21, 1992
- Hitachi, Ltd.
- Masafumi Suzaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical scanning apparatus
- Patent number 5,081,544
- Issue date Jan 14, 1992
- Hitachi, Ltd.
- Kazuo Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light beam scanning device and electronic photographic recording de...
- Patent number 4,809,042
- Issue date Feb 28, 1989
- Hitachi, Ltd.
- Yoshifumi Homma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning system
- Patent number 4,620,768
- Issue date Nov 4, 1986
- Hitachi, Ltd.
- Kimio Tatsuno
- G02 - OPTICS
Information Patent Grant
Laser beam scanner apparatus
- Patent number 4,612,555
- Issue date Sep 16, 1986
- Hitachi, Ltd.
- Jinichi Hongou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for driving a semiconductor laser for use in a laser-beam...
- Patent number 4,513,300
- Issue date Apr 23, 1985
- Hitachi, Ltd.
- Kimio Tatsuno
- G06 - COMPUTING CALCULATING COUNTING