Tomohiko Sasano

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical head apparatus and optical information recording and reprod...
- Patent number 7,782,540
- Issue date Aug 24, 2010
- Panasonic Corporation
- Yasuhiro Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens and optical head device
- Patent number RE40954
- Issue date Nov 10, 2009
- Panasonic Corporation
- Tomohiko Sasano
- 359 - Optical: systems and elements
Information Patent Grant
Optical head apparatus and optical information recording and reprod...
- Patent number 7,602,561
- Issue date Oct 13, 2009
- Panasonic Corporation
- Yasuhiro Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head apparatus and optical information recording and reprod...
- Patent number 7,177,101
- Issue date Feb 13, 2007
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens for optical disk
- Patent number 7,099,260
- Issue date Aug 29, 2006
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro Tanaka
- B24 - GRINDING POLISHING
Information Patent Grant
Device for calculating diffraction efficiencies of a diffraction le...
- Patent number 7,046,350
- Issue date May 16, 2006
- Matsushita Electric Industrial Co., Ltd.
- Michihiro Yamagata
- G02 - OPTICS
Information Patent Grant
Organic electroluminescence element and image forming apparatus or...
- Patent number 6,833,667
- Issue date Dec 21, 2004
- Matsushita Electric Industrial Co., Ltd.
- Takafumi Hamano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
OBJECTIVE FOR OPTICAL DISK, OPTICAL HEAD DEVICE AND OPTICAL INFORMA...
- Patent number 6,829,209
- Issue date Dec 7, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro Tanaka
- B24 - GRINDING POLISHING
Information Patent Grant
Objective lens and optical head device
- Patent number 6,807,017
- Issue date Oct 19, 2004
- Matsushita Electric Industrial Co., Ltd.
- Tomohiko Sasano
- G11 - INFORMATION STORAGE
Information Patent Grant
Beam shaper, and semiconductor laser source device and optical head...
- Patent number 6,627,869
- Issue date Sep 30, 2003
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Lens array
- Patent number 6,606,198
- Issue date Aug 12, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tomohiko Sasano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical system for optical disk, optical head unit for optical disk...
- Patent number 6,590,717
- Issue date Jul 8, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tomohiko Sasano
- G11 - INFORMATION STORAGE
Information Patent Grant
Coupling lens and semiconductor laser module
- Patent number 6,504,975
- Issue date Jan 7, 2003
- Matsushita Electric Industrial Co., Ltd.
- Michihiro Yamagata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Objective lens and optical head device
- Patent number 6,490,100
- Issue date Dec 3, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tomohiko Sasano
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for calculating diffraction efficiencies of a diffraction le...
- Patent number 6,349,000
- Issue date Feb 19, 2002
- Matsushita Electric Industrial Co., Ltd.
- Michihiro Yamagata
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL HEAD APPARATUS AND OPTICAL INFORMATION RECORDING AND REPROD...
- Publication number 20070109948
- Publication date May 17, 2007
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro TANAKA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL HEAD APPARATUS AND OPTICAL INFORMATION RECORDING AND REPROD...
- Publication number 20070109669
- Publication date May 17, 2007
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro TANAKA
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head device and optical information recording and reproduci...
- Publication number 20050122597
- Publication date Jun 9, 2005
- Yasuhiro Tanaka
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens for optical disk, optical head device and optical in...
- Publication number 20050018586
- Publication date Jan 27, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro Tanaka
- B24 - GRINDING POLISHING
Information Patent Application
Organic electroluminescence element and image forming apparatus or...
- Publication number 20030164679
- Publication date Sep 4, 2003
- Takafumi Hamano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Objective lens and optical head device
- Publication number 20030035226
- Publication date Feb 20, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tomohiko Sasano
- G02 - OPTICS
Information Patent Application
COUPLING LENS AND SEMICONDUCTOR LASER MODULE
- Publication number 20030012496
- Publication date Jan 16, 2003
- MICHIHIRO YAMAGATA
- G02 - OPTICS
Information Patent Application
Device for calculating diffraction efficiencies of a diffraction le...
- Publication number 20020196428
- Publication date Dec 26, 2002
- Matsushita Electric Industrial Co., Ltd.
- Michihiro Yamagata
- G02 - OPTICS
Information Patent Application
Optical system for optical disk, optical head unit for optical disk...
- Publication number 20020186476
- Publication date Dec 12, 2002
- Tomohiko Sasano
- G11 - INFORMATION STORAGE
Information Patent Application
Beam shaper, and semiconductor laser source device and optical head...
- Publication number 20020166952
- Publication date Nov 14, 2002
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro Tanaka
- G02 - OPTICS
Information Patent Application
Lens array
- Publication number 20010036014
- Publication date Nov 1, 2001
- Tomohiko Sasano
- G02 - OPTICS

Tomohiko Sasano

Person

Patents Grantslast 30 patents

Optical head apparatus and optical information recording and reprod...

Objective lens and optical head device

Optical head apparatus and optical information recording and reprod...

Optical head apparatus and optical information recording and reprod...

Objective lens for optical disk

Device for calculating diffraction efficiencies of a diffraction le...

Organic electroluminescence element and image forming apparatus or...

OBJECTIVE FOR OPTICAL DISK, OPTICAL HEAD DEVICE AND OPTICAL INFORMA...

Objective lens and optical head device

Beam shaper, and semiconductor laser source device and optical head...

Lens array

Optical system for optical disk, optical head unit for optical disk...

Coupling lens and semiconductor laser module

Objective lens and optical head device

Device for calculating diffraction efficiencies of a diffraction le...

Patents Applicationslast 30 patents

OPTICAL HEAD APPARATUS AND OPTICAL INFORMATION RECORDING AND REPROD...

OPTICAL HEAD APPARATUS AND OPTICAL INFORMATION RECORDING AND REPROD...

Optical head device and optical information recording and reproduci...

Objective lens for optical disk, optical head device and optical in...

Organic electroluminescence element and image forming apparatus or...

Objective lens and optical head device

COUPLING LENS AND SEMICONDUCTOR LASER MODULE

Device for calculating diffraction efficiencies of a diffraction le...

Optical system for optical disk, optical head unit for optical disk...

Beam shaper, and semiconductor laser source device and optical head...

Lens array