Tetsuo Muto

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Patents Grantslast 30 patents

Information Patent Grant
Surface light source and liquid crystal display device using the same
- Patent number 7,564,517
- Issue date Jul 21, 2009
- Casio Computer Co., Ltd.
- Yasuhiro Daiku
- G02 - OPTICS
Information Patent Grant
Three-dimensional liquid crystal display device
- Patent number 7,477,220
- Issue date Jan 13, 2009
- Casio Computer, Co., Ltd.
- Tetsuo Muto
- G02 - OPTICS
Information Patent Grant
Display device using ambient light a lighting panel
- Patent number 6,556,258
- Issue date Apr 29, 2003
- Casio Computer Co., Ltd.
- Tetsushi Yoshida
- G02 - OPTICS
Information Patent Grant
Apparatus for reading fingerprint
- Patent number 6,310,683
- Issue date Oct 30, 2001
- Casio Computer Co., Ltd.
- Minoru Fujiwara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Illumination panel and display device using the same
- Patent number 6,224,223
- Issue date May 1, 2001
- Casio Computer Co., Ltd.
- Masaru Higuchi
- G02 - OPTICS
Information Patent Grant
Scatter control member for organic electroluminescent light source...
- Patent number 6,025,894
- Issue date Feb 15, 2000
- Casio Computer Co., Ltd.
- Tomoyuki Shirasaki
- G02 - OPTICS
Information Patent Grant
Liquid crystal display devide with a twisted alignment state
- Patent number 5,058,998
- Issue date Oct 22, 1991
- Casio Computer Co., Ltd.
- Tetsushi Yoshida
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Surface light source and liquid crystal display device using the same
- Publication number 20050073625
- Publication date Apr 7, 2005
- CASIO COMPUTER CO., LTD.
- Yasuhiro Daiku
- G02 - OPTICS
Information Patent Application
Three-dimensional liquid crystal display device
- Publication number 20040263451
- Publication date Dec 30, 2004
- CASIO COMPUTER CO., LTD.
- Tetsuo Muto
- G02 - OPTICS