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Patents Grantslast 30 patents

Information Patent Grant
Light guide plate and display device
- Patent number 6,825,896
- Issue date Nov 30, 2004
- Sanyo Electric Co., LTD
- Youichiro Goto
- G02 - OPTICS
Information Patent Grant
Bar-shaped light guide, beam lighting device using the bar-shaped l...
- Patent number 6,565,225
- Issue date May 20, 2003
- Sanyo Electric Co., Ltd.
- Koji Mabuchi
- G02 - OPTICS
Information Patent Grant
Light guide plate, surface light source using the light guide plate...
- Patent number 6,273,577
- Issue date Aug 14, 2001
- Sanyo Electric Co., Ltd.
- Youichiro Goto
- G02 - OPTICS
Information Patent Grant
Image forming apparatus with precharger
- Patent number 5,523,825
- Issue date Jun 4, 1996
- Sanyo Electric Co., Ltd.
- Michiaki Satoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charge injection image forming apparatus using conductive and insul...
- Patent number 5,138,387
- Issue date Aug 11, 1992
- Sanyo Electric Co., Ltd.
- Michiaki Sato
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Light guide plate and display device
- Publication number 20030169386
- Publication date Sep 11, 2003
- SANYO ELECTRIC CO., LTD.
- Youichiro Goto
- G02 - OPTICS
Information Patent Application
Display device and light guide plate
- Publication number 20030161606
- Publication date Aug 28, 2003
- SANYO ELECTRIC CO., LTD.
- Youichiro Goto
- G02 - OPTICS
Information Patent Application
Light guide plate and surface light source device utilizing same
- Publication number 20030156328
- Publication date Aug 21, 2003
- SANYO ELECTRIC CO., LTD.
- Youichiro Goto
- G02 - OPTICS
Information Patent Application
Bar-shaped light guide, beam lighting device using the bar-shaped l...
- Publication number 20020008969
- Publication date Jan 24, 2002
- SANYO ELECTRIC CO., LTD.
- Koji Mabuchi
- G02 - OPTICS