Koji Tominaga

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Element having microstructure and manufacturing method thereof
- Patent number 7,348,650
- Issue date Mar 25, 2008
- Sanyo Electric Co., LTD
- Kazushi Mori
- G02 - OPTICS
Information Patent Grant
Method of forming grating microstrutures by anodic oxidation
- Patent number 7,129,183
- Issue date Oct 31, 2006
- Sanyo Electric Co., LTD
- Kazushi Mori
- G02 - OPTICS
Information Patent Grant
Holographic optical element, position shift detecting apparatus, op...
- Patent number 7,113,316
- Issue date Sep 26, 2006
- Sanyo Electric Co., LTD
- Kazushi Mori
- G11 - INFORMATION STORAGE
Information Patent Grant
Wave plate and optical device using the same
- Patent number 7,046,444
- Issue date May 16, 2006
- Sanyo Electric Oc., Ltd.
- Kazushi Mori
- G02 - OPTICS
Information Patent Grant
Surface emission semiconductor laser device
- Patent number 6,967,985
- Issue date Nov 22, 2005
- Sanyo Electric Co., LTD
- Koji Tominaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming grating microstructures by anodic oxidation
- Patent number 6,930,053
- Issue date Aug 16, 2005
- Sanyo Electric Co., LTD
- Kazushi Mori
- G02 - OPTICS
Information Patent Grant
Holographic optical element, position shift detecting apparatus, op...
- Patent number 6,917,454
- Issue date Jul 12, 2005
- Sanyo Electric Co., LTD
- Kazushi Mori
- G11 - INFORMATION STORAGE
Information Patent Grant
Nitride-based semiconductor element
- Patent number 6,734,503
- Issue date May 11, 2004
- Sanyo Electric Co., LTD
- Masayuki Hata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device and manufacturing method thereof
- Patent number 6,654,397
- Issue date Nov 25, 2003
- Sanyo Electric Co., LTD
- Kunio Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Element having microstructure and manufacturing method thereof
- Publication number 20070029567
- Publication date Feb 8, 2007
- SANYO ELECTRONIC CO., LTD.
- Kazushi Mori
- G02 - OPTICS
Information Patent Application
Element having microstructure and manufacturing method thereof
- Publication number 20050245090
- Publication date Nov 3, 2005
- Sanyo Electric Co., Ltd.
- Kazushi Mori
- G02 - OPTICS
Information Patent Application
Holographic optical element, position shift detecting apparatus, op...
- Publication number 20050174619
- Publication date Aug 11, 2005
- Sanyo Electric Co., Ltd.
- Kazushi Mori
- G02 - OPTICS
Information Patent Application
Wave plate and optical device using the same
- Publication number 20050046946
- Publication date Mar 3, 2005
- SANYO ELECTRIC CO., LTD.
- Kazushi Mori
- G02 - OPTICS
Information Patent Application
Element having microstructure and manufacturing method thereof
- Publication number 20030179453
- Publication date Sep 25, 2003
- SANYO ELECTRIC CO., LTD.
- Kazushi Mori
- G02 - OPTICS
Information Patent Application
Surface emission semiconductor laser device
- Publication number 20030152121
- Publication date Aug 14, 2003
- SANYO ELECTRIC CO., LTD.
- Koji Tominaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Holographic optical element, position shift detecting apparatus, op...
- Publication number 20030067640
- Publication date Apr 10, 2003
- Kazushi Mori
- G02 - OPTICS
Information Patent Application
Nitride-based semiconductor element
- Publication number 20030030068
- Publication date Feb 13, 2003
- SANYO ELECTRIC CO., LTD.
- Masayuki Hata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device and manufacturing method thereof
- Publication number 20020024985
- Publication date Feb 28, 2002
- SANYO ELECTRIC CO., LTD.
- Kunio Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS

Koji Tominaga

Person

Patents Grantslast 30 patents

Element having microstructure and manufacturing method thereof

Method of forming grating microstrutures by anodic oxidation

Holographic optical element, position shift detecting apparatus, op...

Wave plate and optical device using the same

Surface emission semiconductor laser device

Method of forming grating microstructures by anodic oxidation

Holographic optical element, position shift detecting apparatus, op...

Nitride-based semiconductor element

Semiconductor laser device and manufacturing method thereof

Patents Applicationslast 30 patents

Element having microstructure and manufacturing method thereof

Element having microstructure and manufacturing method thereof

Holographic optical element, position shift detecting apparatus, op...

Wave plate and optical device using the same

Element having microstructure and manufacturing method thereof

Surface emission semiconductor laser device

Holographic optical element, position shift detecting apparatus, op...

Nitride-based semiconductor element

Semiconductor laser device and manufacturing method thereof