Keiji Ogoh

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Toyokawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus with excellent gradation reproduction
- Patent number 6,690,486
- Issue date Feb 10, 2004
- Minolta Co., Ltd.
- Keiji Ogoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Laser beam scanning optical apparatus
- Patent number 5,969,346
- Issue date Oct 19, 1999
- Minolta Co., Ltd.
- Yasushi Nagasaka
- G02 - OPTICS
Information Patent Grant
Multi-beam emitting device having an acoustooptic element
- Patent number 5,890,789
- Issue date Apr 6, 1999
- Minolta Co., Ltd.
- Yoshihiro Inagaki
- G02 - OPTICS
Information Patent Grant
Laser beam scanning optical apparatus having means for generating m...
- Patent number 5,856,669
- Issue date Jan 5, 1999
- Minolta Co., Ltd.
- Yasushi Nagasaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Laser beam scanning optical apparatus
- Patent number 5,808,775
- Issue date Sep 15, 1998
- Minolta Co., Ltd.
- Yoshihiro Inagaki
- G02 - OPTICS