Masahiko Yoshida

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Kanagawa-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluorescent lamp including a multi-ringed bulb
- Patent number 7,443,092
- Issue date Oct 28, 2008
- Toshiba Lighting & Technology Corporation
- Ichiro Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-ringed fluorescent lamp and lighting apparatus utilizing same
- Patent number 7,339,314
- Issue date Mar 4, 2008
- Toshiba Lighting & Technology Corporation
- Yusuke Shibahara
- F21 - LIGHTING
Information Patent Grant
Fluorescent lamp having bent portions and its manufacturing method,...
- Patent number 7,285,899
- Issue date Oct 23, 2007
- Toshiba Lighting & Technology Corporation
- Kiyoshi Nishimura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Fluorescent lamp and its manufacturing method, and illuminating app...
- Publication number 20060164000
- Publication date Jul 27, 2006
- TOSHIBA LIGHTING & TECHNOLOGY CORP.
- Kiyoshi Nishimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Flurescent lamp and luminaire
- Publication number 20060071601
- Publication date Apr 6, 2006
- TOSHIBA LIGHTING & TECHNOLOGY CORP.
- Ichiro Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Multi-ringed fluorescent lamp and lighting apparatus utilizing same
- Publication number 20050253526
- Publication date Nov 17, 2005
- TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
- Yusuke Shibahara
- F21 - LIGHTING