Tomotada Kamei

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical pickup and optical disc device
- Patent number 7,697,400
- Issue date Apr 13, 2010
- Panasonic Corporation
- Hisashi Senga
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up head, optical information apparatus, and optical in...
- Patent number 7,558,162
- Issue date Jul 7, 2009
- Panasonic Corporation
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up head, optical information apparatus, and optical in...
- Patent number 7,558,170
- Issue date Jul 7, 2009
- Panasonic Corporation
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up head, optical information apparatus, and optical in...
- Patent number 7,542,382
- Issue date Jun 2, 2009
- Panasonic Corporation
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up head, optical information apparatus, and optical in...
- Patent number 7,539,090
- Issue date May 26, 2009
- Panasonic Corporation
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up head, optical information apparatus, and optical in...
- Patent number 7,463,561
- Issue date Dec 9, 2008
- Panasonic Corporation
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up head, optical information apparatus, and optical in...
- Patent number 7,460,448
- Issue date Dec 2, 2008
- Panasonic Corporation
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser driving device, optical head device, optical in...
- Patent number 7,406,012
- Issue date Jul 29, 2008
- Matsushita Electric Industrial Co., Ltd.
- Tomotada Kamei
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head and optical recording and reproducing apparatus
- Patent number 7,254,107
- Issue date Aug 7, 2007
- Matsushita Electric Industrial Co., Ltd.
- Hidenori Wada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up head, optical information apparatus, and optical in...
- Patent number 7,227,819
- Issue date Jun 5, 2007
- Matsushita Electric Industrial Co., Ltd.
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical detector, optical head device, optical information processi...
- Patent number 7,154,838
- Issue date Dec 26, 2006
- Matsushita Electric Industrial Co., Ltd.
- Tomotada Kamei
- G11 - INFORMATION STORAGE
Information Patent Grant
Converging element, optical head, and apparatus and method of optic...
- Patent number 6,920,102
- Issue date Jul 19, 2005
- Matsushita Electric Industrial Co., Ltd.
- Sadao Mizuno
- G11 - INFORMATION STORAGE
Information Patent Grant
Converging element, optical head, and apparatus and method of optic...
- Patent number 6,873,588
- Issue date Mar 29, 2005
- Matsushita Electric Industrial Co., Ltd.
- Sadao Mizuno
- G11 - INFORMATION STORAGE
Information Patent Grant
Converging element, optical head, and apparatus and method of optic...
- Patent number 6,859,428
- Issue date Feb 22, 2005
- Matsushita Electric Industrial Co., Ltd.
- Sadao Mizuno
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser drive device, optical head, and optical information processor
- Patent number 6,643,303
- Issue date Nov 4, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tatsuo Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Mounting structure of objective lens for optical pick-up used for o...
- Patent number 5,781,351
- Issue date Jul 14, 1998
- Matsushita Electric Industrial Co., Ltd.
- Yutaka Murakami
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP AND OPTICAL DISC DEVICE
- Publication number 20100149949
- Publication date Jun 17, 2010
- PANASONIC CORPORATION
- Hisashi Senga
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR LASER DRIVING DEVICE, OPTICAL HEAD DEVICE AND OPTICAL...
- Publication number 20100103805
- Publication date Apr 29, 2010
- Hiroaki Yoshida
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR LASER DEVICE, OPTICAL PICKUP DEVICE AND OPTICAL INFOR...
- Publication number 20090168823
- Publication date Jul 2, 2009
- Tomotada Kamei
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP AND OPTICAL DISC DEVICE
- Publication number 20090052492
- Publication date Feb 26, 2009
- Hisashi Senga
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up head, optical information apparatus, and optical in...
- Publication number 20080259750
- Publication date Oct 23, 2008
- Matsushita Electric Industrial Co., Ltd.
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up head, optical information apparatus, and optical in...
- Publication number 20080089195
- Publication date Apr 17, 2008
- Matsushita Electric Industrial Co., Ltd.
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up head, optical information apparatus, and optical in...
- Publication number 20080084798
- Publication date Apr 10, 2008
- Matsushita Electric Industrial Co., Ltd.
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up head, optical information apparatus, and optical in...
- Publication number 20080068944
- Publication date Mar 20, 2008
- Matsushita Electric Industrial Co., Ltd.
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up head, optical information apparatus, and optical in...
- Publication number 20070195663
- Publication date Aug 23, 2007
- Matsushita Electric Industrial Co., Ltd.
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up head, optical information apparatus, and optical in...
- Publication number 20070195664
- Publication date Aug 23, 2007
- Matsushita Electric Industrial Co., Ltd.
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical detector, optical head device, optical information processi...
- Publication number 20060164959
- Publication date Jul 27, 2006
- Matsushita Electric Industrial Co., Ltd.
- Tomotada Kamei
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor laser driver, optical head device, optical informatio...
- Publication number 20050286392
- Publication date Dec 29, 2005
- Tomotada Kamei
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up head, optical information apparatus, and optical in...
- Publication number 20050199778
- Publication date Sep 15, 2005
- Matsushita Electric Industrial Co., Ltd.
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head and optical recording and reproducing apparatus
- Publication number 20050058052
- Publication date Mar 17, 2005
- MATSUSHITA ELECTRICAL INDUSTRIAL CO., LTD.
- Hidenori Wada
- G11 - INFORMATION STORAGE
Information Patent Application
Converging element, optical head, and apparatus and method of optic...
- Publication number 20040114494
- Publication date Jun 17, 2004
- Sadao Mizuno
- G02 - OPTICS
Information Patent Application
Converging element, optical head, and apparatus and method of optic...
- Publication number 20040085875
- Publication date May 6, 2004
- Sadao Mizuno
- G02 - OPTICS
Information Patent Application
Laser drive device, optical head, and optical information processor
- Publication number 20030095579
- Publication date May 22, 2003
- Tatsuo Ito
- G11 - INFORMATION STORAGE

Tomotada Kamei

Person

Patents Grantslast 30 patents

Optical pickup and optical disc device

Optical pick-up head, optical information apparatus, and optical in...

Optical pick-up head, optical information apparatus, and optical in...

Optical pick-up head, optical information apparatus, and optical in...

Optical pick-up head, optical information apparatus, and optical in...

Optical pick-up head, optical information apparatus, and optical in...

Optical pick-up head, optical information apparatus, and optical in...

Semiconductor laser driving device, optical head device, optical in...

Optical head and optical recording and reproducing apparatus

Optical pick-up head, optical information apparatus, and optical in...

Optical detector, optical head device, optical information processi...

Converging element, optical head, and apparatus and method of optic...

Converging element, optical head, and apparatus and method of optic...

Converging element, optical head, and apparatus and method of optic...

Laser drive device, optical head, and optical information processor

Mounting structure of objective lens for optical pick-up used for o...

Patents Applicationslast 30 patents

OPTICAL PICKUP AND OPTICAL DISC DEVICE

SEMICONDUCTOR LASER DRIVING DEVICE, OPTICAL HEAD DEVICE AND OPTICAL...

SEMICONDUCTOR LASER DEVICE, OPTICAL PICKUP DEVICE AND OPTICAL INFOR...

OPTICAL PICKUP AND OPTICAL DISC DEVICE

Optical pick-up head, optical information apparatus, and optical in...

Optical pick-up head, optical information apparatus, and optical in...

Optical pick-up head, optical information apparatus, and optical in...

Optical pick-up head, optical information apparatus, and optical in...

Optical pick-up head, optical information apparatus, and optical in...

Optical pick-up head, optical information apparatus, and optical in...

Optical detector, optical head device, optical information processi...

Semiconductor laser driver, optical head device, optical informatio...

Optical pick-up head, optical information apparatus, and optical in...

Optical head and optical recording and reproducing apparatus

Converging element, optical head, and apparatus and method of optic...

Converging element, optical head, and apparatus and method of optic...

Laser drive device, optical head, and optical information processor