Osamu Hamaoka

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical pickup apparatus
- Patent number 8,059,515
- Issue date Nov 15, 2011
- Sharp Kabushiki Kaisha
- Shinzoh Murakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser device, method for manufacturing the same and o...
- Patent number 7,489,716
- Issue date Feb 10, 2009
- Sharp Kabushiki Kaisha
- Osamu Hamaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 7,217,955
- Issue date May 15, 2007
- Sharp Kabushiki Kaisha
- Osamu Hamaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device and optical pickup device
- Patent number 7,106,771
- Issue date Sep 12, 2006
- Sharp Kabushiki Kaisha
- Hisayuki Shinohara
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup system with light receiving portion
- Patent number 7,016,274
- Issue date Mar 21, 2006
- Sharp Kabushiki Kaisha
- Osamu Hamaoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser device, fabricating method thereof and optical...
- Patent number 6,972,205
- Issue date Dec 6, 2005
- Sharp Kabushiki Kaisha
- Ikuo Kohashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser package and fabrication method thereof
- Patent number 6,812,501
- Issue date Nov 2, 2004
- Sharp Kabushiki Kaisha
- Takahide Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device, fabricating method thereof and optical...
- Patent number 6,700,911
- Issue date Mar 2, 2004
- Sharp Kabushiki Kaisha
- Ikuo Kohashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP APPARATUS
- Publication number 20100097919
- Publication date Apr 22, 2010
- Shinzoh MURAKAMI
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor laser device, method for manufacturing the same and o...
- Publication number 20070165684
- Publication date Jul 19, 2007
- SHARP KABUSHIKI KAISHA
- Osamu Hamaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device and optical pickup device
- Publication number 20040109484
- Publication date Jun 10, 2004
- SHARP KABUSHIKI KAISHA
- Hisayuki Shinohara
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor laser device, fabricating method thereof and optical...
- Publication number 20040053430
- Publication date Mar 18, 2004
- Sharp Kabushiki Kaisha
- Ikuo Kohashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical pickup
- Publication number 20020141320
- Publication date Oct 3, 2002
- Osamu Hamaoka
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor laser package and fabrication method thereof
- Publication number 20020100912
- Publication date Aug 1, 2002
- Takahide Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device, fabricating method thereof and optical...
- Publication number 20010002916
- Publication date Jun 7, 2001
- Ikuo Kohashi
- H01 - BASIC ELECTRIC ELEMENTS

Osamu Hamaoka

Person

Patents Grantslast 30 patents

Optical pickup apparatus

Semiconductor laser device, method for manufacturing the same and o...

Semiconductor laser device

Semiconductor laser device and optical pickup device

Optical pickup system with light receiving portion

Semiconductor laser device, fabricating method thereof and optical...

Semiconductor laser package and fabrication method thereof

Semiconductor laser device, fabricating method thereof and optical...

Patents Applicationslast 30 patents

OPTICAL PICKUP APPARATUS

Semiconductor laser device, method for manufacturing the same and o...

Semiconductor laser device and optical pickup device

Semiconductor laser device, fabricating method thereof and optical...

Optical pickup

Semiconductor laser package and fabrication method thereof

Semiconductor laser device, fabricating method thereof and optical...