Seiichi Tokunaga

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor light-emitting device
- Patent number 8,384,101
- Issue date Feb 26, 2013
- Sanyo Electric Co., LTD
- Seiichi Tokunaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing semiconductor laser device, semiconductor l...
- Patent number 8,064,492
- Issue date Nov 22, 2011
- Sanyo Electric Co., LTD
- Yasuyuki Bessho
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser device and method of manufacturing the same
- Patent number 7,822,087
- Issue date Oct 26, 2010
- Sanyo Electric Co., LTD
- Masayuki Hata
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Illumination device and manufacturing method thereof
- Patent number 7,768,204
- Issue date Aug 3, 2010
- Sanyo Electric Co., Ltd.
- Seiichi Tokunaga
- F21 - LIGHTING
Information Patent Grant
Light emitting device
- Patent number 7,539,223
- Issue date May 26, 2009
- Sanyo Electric Co., LTD
- Seiichi Tokunaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process of making squid device having tilt-boundary junction
- Patent number 5,873,985
- Issue date Feb 23, 1999
- Sanyo Electric Co., Ltd.
- Seiichi Tokunaga
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LASER APPARATUS AND OPTICAL APPARATUS
- Publication number 20120033695
- Publication date Feb 9, 2012
- SANYO ELECTRIC CO., LTD.
- Nobuhiko HAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR LASER DEVICE, SEMICONDUCTOR L...
- Publication number 20120033701
- Publication date Feb 9, 2012
- Sanyo Electric Co., Ltd.
- Yasuyuki BESSHO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SEMICONDUCTOR LASER APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTO...
- Publication number 20110280266
- Publication date Nov 17, 2011
- SANYO ELECTRIC CO., LTD.
- Nobuhiko HAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20110085578
- Publication date Apr 14, 2011
- SANYO ELECTRIC CO., LTD.
- Seiichi Tokunaga
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR LASER DEVICE, SEMICONDUCTOR L...
- Publication number 20100189146
- Publication date Jul 29, 2010
- SANYO ELECTRIC CO., LTD.
- Yasuyuki Bessho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE
- Publication number 20100044731
- Publication date Feb 25, 2010
- SANYO ELECTRIC CO., LTD.
- Seiichi Tokunaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME AS...
- Publication number 20090323750
- Publication date Dec 31, 2009
- SANYO ELECTRIC CO., LTD.
- Daijiro Inoue
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20090262771
- Publication date Oct 22, 2009
- SANYO ELECTRIC CO., LTD.
- Daijiro Inoue
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20080291959
- Publication date Nov 27, 2008
- SANYO ELECTRIC CO., LTD.
- Seiichi Tokunaga
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20080240187
- Publication date Oct 2, 2008
- SANYO ELECTRIC CO., LTD.
- Masayuki HATA
- B82 - NANO-TECHNOLOGY
Information Patent Application
LIGHT EMITTING APPARATUS
- Publication number 20080079351
- Publication date Apr 3, 2008
- SANYO ELECTRIC CO., LTD.
- Seiichi TOKUNAGA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Illumination device and manufacturing method thereof
- Publication number 20070228923
- Publication date Oct 4, 2007
- Sanyo Electric Co., Ltd.
- Seiichi Tokunaga
- F21 - LIGHTING
Information Patent Application
Led device
- Publication number 20070096113
- Publication date May 3, 2007
- Sanyo Electric Co., Ltd.
- Kyoji Inoshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light emitting device
- Publication number 20070064751
- Publication date Mar 22, 2007
- Sanyo Electric Co., Ltd.
- Seiichi Tokunaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor light emitting apparatus
- Publication number 20060220531
- Publication date Oct 5, 2006
- SANYO ELECTRIC CO., LTD.
- Seiichi Tokunaga
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Seiichi Tokunaga

Person

Patents Grantslast 30 patents

Semiconductor light-emitting device

Method of manufacturing semiconductor laser device, semiconductor l...

Semiconductor laser device and method of manufacturing the same

Illumination device and manufacturing method thereof

Light emitting device

Process of making squid device having tilt-boundary junction

Patents Applicationslast 30 patents

SEMICONDUCTOR LASER APPARATUS AND OPTICAL APPARATUS

METHOD OF MANUFACTURING SEMICONDUCTOR LASER DEVICE, SEMICONDUCTOR L...

SEMICONDUCTOR LASER APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTO...

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME

METHOD OF MANUFACTURING SEMICONDUCTOR LASER DEVICE, SEMICONDUCTOR L...

SEMICONDUCTOR LIGHT-EMITTING DEVICE

SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME AS...

SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME

SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME

LIGHT EMITTING APPARATUS

Illumination device and manufacturing method thereof

Led device

Light emitting device

Semiconductor light emitting apparatus