Akihito Ota

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Aichi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-emitting unit having specific fluorescent material
- Patent number RE41234
- Issue date Apr 20, 2010
- Toyoda Gosei Co., Ltd.
- Yuji Takahashi
- 313 - Electric lamp and discharge devices
Information Patent Grant
Light emitting device
- Patent number 7,679,101
- Issue date Mar 16, 2010
- Toyoda Gosei Co., Ltd.
- Koichi Ota
- F21 - LIGHTING
Information Patent Grant
Light emitting apparatus
- Patent number 7,607,801
- Issue date Oct 27, 2009
- Toyoda Gosei Co., Ltd
- Yoshinobu Suehiro
- F21 - LIGHTING
Information Patent Grant
Light emitting device having a divalent-europium-activated alkaline...
- Patent number 7,157,746
- Issue date Jan 2, 2007
- Toyoda Gosei Co., Ltd
- Koichi Ota
- F21 - LIGHTING
Information Patent Grant
Light emitting device
- Patent number 7,138,660
- Issue date Nov 21, 2006
- Toyoda Gosei Co., Ltd.
- Koichi Ota
- F21 - LIGHTING
Information Patent Grant
Light emitting device having phosphor of alkaline earth metal silicate
- Patent number 6,943,380
- Issue date Sep 13, 2005
- Toyoda Gosei Co., Ltd
- Koichi Ota
- F21 - LIGHTING
Information Patent Grant
Light-emitting unit
- Patent number 6,717,355
- Issue date Apr 6, 2004
- Toyoda Gosei Co., Ltd
- Yuji Takahashi
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Light emitting device having a divalent europium-activated alkaline...
- Publication number 20100155761
- Publication date Jun 24, 2010
- Toyoda Gosei Co., Ltd.
- Koichi Ota
- G02 - OPTICS
Information Patent Application
Light emitting device
- Publication number 20070090383
- Publication date Apr 26, 2007
- Toyoda Gosei Co., Ltd.
- Koichi Ota
- G02 - OPTICS
Information Patent Application
Light emitting apparatus
- Publication number 20060164836
- Publication date Jul 27, 2006
- Yoshinobu Suehiro
- F21 - LIGHTING
Information Patent Application
Light emitting device
- Publication number 20050162069
- Publication date Jul 28, 2005
- TOYODA GOSEI CO., LTD
- Koichi Ota
- G02 - OPTICS
Information Patent Application
Light emitting device
- Publication number 20050077532
- Publication date Apr 14, 2005
- TOYODA GOSEI CO., LTD
- Koichi Ota
- G02 - OPTICS
Information Patent Application
Light emitting device
- Publication number 20040051111
- Publication date Mar 18, 2004
- Koichi Ota
- G02 - OPTICS
Information Patent Application
Light-emitting unit
- Publication number 20020043926
- Publication date Apr 18, 2002
- TOYODA GOSEI CO., LTD
- Yuji Takahashi
- C03 - GLASS MINERAL OR SLAG WOOL