Seizoh Suzuki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical scanner for reducing shading
- Patent number 5,459,601
- Issue date Oct 17, 1995
- Ricoh Company, Ltd.
- Seizoh Suzuki
- G02 - OPTICS
Information Patent Grant
Optical scanner for reducing shading
- Patent number 5,355,244
- Issue date Oct 11, 1994
- Ricoh Company Ltd.
- Seizoh Suzuki
- G02 - OPTICS
Information Patent Grant
Objective lens for optical disk
- Patent number 4,995,710
- Issue date Feb 26, 1991
- Ricoh Company, Ltd.
- Seizoh Suzuki
- G02 - OPTICS
Information Patent Grant
Semiconductor laser source unit
- Patent number 4,953,171
- Issue date Aug 28, 1990
- Ricoh Company, Ltd.
- Tomohiro Nakajima
- G02 - OPTICS