Takayuki Arai

Person

Kawaguchi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image pickup lens and design method thereof
- Patent number 6,724,545
- Issue date Apr 20, 2004
- Enplas Corporation
- Masato Nakamura
- G02 - OPTICS
Information Patent Grant
Surface light source device of side light type and liquid crystal d...
- Patent number 6,384,881
- Issue date May 7, 2002
- Enplas Corporation
- Takayuki Arai
- G02 - OPTICS
Information Patent Grant
Surface light source device of side light type
- Patent number 6,345,899
- Issue date Feb 12, 2002
- Enplas Corporation
- Shingo Ohkawa
- G02 - OPTICS
Information Patent Grant
Surface light source device
- Patent number 6,290,364
- Issue date Sep 18, 2001
- Enplas Corporation
- Yasuhiro Koike
- G02 - OPTICS
Information Patent Grant
Light regulation device
- Patent number 6,275,338
- Issue date Aug 14, 2001
- Enplas Corporation
- Takayuki Arai
- G02 - OPTICS
Information Patent Grant
Surface light source device with polarization function
- Patent number 6,172,809
- Issue date Jan 9, 2001
- Enplas Corporation
- Yasuhiro Koike
- G02 - OPTICS
Information Patent Grant
Surface light source device of side-light type
- Patent number 6,049,649
- Issue date Apr 11, 2000
- Enplas Corporation
- Takayuki Arai
- G02 - OPTICS
Information Patent Grant
Surface light source device outputting polarized frontal illuminati...
- Patent number 6,027,220
- Issue date Feb 22, 2000
- Enplas Corporation
- Takayuki Arai
- G02 - OPTICS
Information Patent Grant
Surface light source device with polarization function
- Patent number 5,982,540
- Issue date Nov 9, 1999
- Enplas Corporation
- Yasuhiro Koike
- G02 - OPTICS
Information Patent Grant
Surface light source device
- Patent number 5,899,552
- Issue date May 4, 1999
- Enplas Corporation
- Kazuaki Yokoyama
- G02 - OPTICS
Information Patent Grant
Surface light source device of dual light flux generation
- Patent number 5,833,344
- Issue date Nov 10, 1998
- Enplas Corporation
- Takayuki Arai
- G02 - OPTICS
Information Patent Grant
Surface light source device
- Patent number 5,818,555
- Issue date Oct 6, 1998
- Enplas Corporation
- Kazuaki Yokoyama
- G02 - OPTICS
Information Patent Grant
Polarization converter
- Patent number 5,684,630
- Issue date Nov 4, 1997
- Enplas Corporation
- Takayuki Arai
- G02 - OPTICS
Information Patent Grant
Surface light source device and liquid crystal display
- Patent number 5,659,410
- Issue date Aug 19, 1997
- Enplas Corporation
- Yasuhiro Koike
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Image pickup lens and design method thereof
- Publication number 20030117709
- Publication date Jun 26, 2003
- ENPLAS CORPORATION
- Masato Nakamura
- G02 - OPTICS

Takayuki Arai

Person

Patents Grantslast 30 patents

Image pickup lens and design method thereof

Surface light source device of side light type and liquid crystal d...

Surface light source device of side light type

Surface light source device

Light regulation device

Surface light source device with polarization function

Surface light source device of side-light type

Surface light source device outputting polarized frontal illuminati...

Surface light source device with polarization function

Surface light source device

Surface light source device of dual light flux generation

Surface light source device

Polarization converter

Surface light source device and liquid crystal display

Patents Applicationslast 30 patents

Image pickup lens and design method thereof