Keiichi Yodoshi

Person

Moriguchi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device
- Patent number 6,072,607
- Issue date Jun 6, 2000
- Sanyo Electric Co., Ltd.
- Atsushi Tajiri
- G02 - OPTICS
Information Patent Grant
Semiconductor laser device and manufacturing method thereof
- Patent number 5,963,572
- Issue date Oct 5, 1999
- Sanyo Electric Co., Ltd.
- Ryoji Hiroyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser apparatus and optical pickup apparatus using th...
- Patent number 5,727,009
- Issue date Mar 10, 1998
- Sanyo Electric Co., Ltd.
- Atsushi Tajiri
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser with a self sustained pulsation
- Patent number 5,610,096
- Issue date Mar 11, 1997
- Sanyo Electric Co., Ltd.
- Keiichi Yodoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device and method of designing the same
- Patent number 5,608,752
- Issue date Mar 4, 1997
- Sanyo Electric Co., Ltd.
- Takenori Goto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 5,559,818
- Issue date Sep 24, 1996
- Sanyo Electric Co., Ltd.
- Masayuki Shono
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of making a semiconductor laser with a self-sustained pulsation
- Patent number 5,506,170
- Issue date Apr 9, 1996
- Sanyo Electric Co., Ltd.
- Keiichi Yodoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser with a self-sustained pulsation
- Patent number 5,416,790
- Issue date May 16, 1995
- Sanyo Electric Co., Ltd.
- Keiichi Yodoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser having a burying layer of a II-VI compound
- Patent number 4,607,369
- Issue date Aug 19, 1986
- Sanyo Electric Co., Ltd.
- Tatsuhiko Niina
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Nitride semiconductor laser element
- Publication number 20060011946
- Publication date Jan 19, 2006
- Tadao Toda
- H01 - BASIC ELECTRIC ELEMENTS

Keiichi Yodoshi

Person

Patents Grantslast 30 patents

Optical pickup device

Semiconductor laser device and manufacturing method thereof

Semiconductor laser apparatus and optical pickup apparatus using th...

Semiconductor laser with a self sustained pulsation

Semiconductor laser device and method of designing the same

Semiconductor laser device

Method of making a semiconductor laser with a self-sustained pulsation

Semiconductor laser with a self-sustained pulsation

Semiconductor laser having a burying layer of a II-VI compound

Patents Applicationslast 30 patents

Nitride semiconductor laser element