Shigeaki Ohmi

Person

Saitama-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Methods for producing oxides or composites thereof
- Patent number 6,589,906
- Issue date Jul 8, 2003
- Hoya Corporation
- Koji Sato
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Methods for producing oxides or composites thereof
- Patent number 6,355,308
- Issue date Mar 12, 2002
- Hoya Corporation
- Koji Sato
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing buried wave guide device
- Patent number 5,125,944
- Issue date Jun 30, 1992
- Hoya Corporation
- Yoshiyuki Asahara
- G02 - OPTICS
Information Patent Grant
Process for producing buried waveguide device
- Patent number 5,078,772
- Issue date Jan 7, 1992
- Hoya Corporation
- Yoshiyuki Asahara
- G02 - OPTICS
Information Patent Grant
Process for producing optical glass
- Patent number 4,851,024
- Issue date Jul 25, 1989
- Hoya Corporation
- Hiroyuki Sakai
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing glass product having gradient of refractive i...
- Patent number 4,640,699
- Issue date Feb 3, 1987
- Hoya Corporation
- Shigeaki Ohmi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for the production of slab-shaped lens having gradient of r...
- Patent number 4,563,205
- Issue date Jan 7, 1986
- Hoya Corporation
- Yoshiyuki Asahara
- G02 - OPTICS
Information Patent Grant
Process for producing glass product having gradient of refractive i...
- Patent number 4,525,189
- Issue date Jun 25, 1985
- Hoya Corporation
- Shigeaki Ohmi
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Glass material for use in press-molding and method of manufacturing...
- Publication number 20050183454
- Publication date Aug 25, 2005
- HOYA CORPORATION
- Hideki Mutou
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Method of manufacturing optical glass elements
- Publication number 20050183457
- Publication date Aug 25, 2005
- Hoya Corporation
- Shinichiro Hirota
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Process for preparation of glass optical element
- Publication number 20040261455
- Publication date Dec 30, 2004
- HOYA CORPORATION
- Takashi Igari
- B82 - NANO-TECHNOLOGY
Information Patent Application
Method of manufacturing an optical glass element
- Publication number 20040244423
- Publication date Dec 9, 2004
- HOYA CORPORATION
- Thunnakart Boontarika
- G02 - OPTICS
Information Patent Application
Method of regenerating pressing molds and method of manufacturing o...
- Publication number 20040211217
- Publication date Oct 28, 2004
- HOYA CORPORATION
- Shigeaki Ohmi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method of preparation of glass articles
- Publication number 20040206116
- Publication date Oct 21, 2004
- HOYA CORPORATION
- Koichiro Shiraishi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Glass material for molding, method of manufacturing same, and metho...
- Publication number 20040177648
- Publication date Sep 16, 2004
- HOYA CORPORATION
- Takashi Igari
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Methods for producing oxides or composites thereof
- Publication number 20020147108
- Publication date Oct 10, 2002
- Koji Sato
- C01 - INORGANIC CHEMISTRY

Shigeaki Ohmi

Person

Patents Grantslast 30 patents

Methods for producing oxides or composites thereof

Methods for producing oxides or composites thereof

Process for producing buried wave guide device

Process for producing buried waveguide device

Process for producing optical glass

Process for producing glass product having gradient of refractive i...

Process for the production of slab-shaped lens having gradient of r...

Process for producing glass product having gradient of refractive i...

Patents Applicationslast 30 patents

Glass material for use in press-molding and method of manufacturing...

Method of manufacturing optical glass elements

Process for preparation of glass optical element

Method of manufacturing an optical glass element

Method of regenerating pressing molds and method of manufacturing o...

Method of preparation of glass articles

Glass material for molding, method of manufacturing same, and metho...

Methods for producing oxides or composites thereof