Michio Shirai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical element
- Patent number 6,917,475
- Issue date Jul 12, 2005
- Olympus Corporation
- Naohito Shiga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cleaning and drying solvent
- Patent number 5,773,403
- Issue date Jun 30, 1998
- Olympus Optical Co., Ltd.
- Masamichi Hijino
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for post-cleaning finishing drying
- Patent number 5,562,945
- Issue date Oct 8, 1996
- Olympus Optical Co., Ltd.
- Masamichi Hijino
- F26 - DRYING
Information Patent Grant
Device for retaining an optical part
- Patent number 4,778,253
- Issue date Oct 18, 1988
- Olympus Optical Company Limited
- Naohito Siga
- G02 - OPTICS
Information Patent Grant
Lens retaining device
- Patent number 4,725,126
- Issue date Feb 16, 1988
- Olympus Optical Company Limited
- Naohito Siga
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical system
- Publication number 20050007681
- Publication date Jan 13, 2005
- OLYMPUS CORPORATION
- Michio Shirai
- G02 - OPTICS
Information Patent Application
Organic/inorganic composite optical material and optical element
- Publication number 20040132948
- Publication date Jul 8, 2004
- OLYMPUS CORPORATION
- Michio Shirai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Optical element
- Publication number 20030231403
- Publication date Dec 18, 2003
- Olympus Optical Co., Ltd.
- Naohito Shiga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...