Yoshiaki Watanabe

Person

Tsurugashima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Distributed feedback type semiconductor laser device
- Patent number 6,795,466
- Issue date Sep 21, 2004
- Pioneer Corporation
- Kiyoshi Takei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge type semiconductor laser of distributed feedback
- Patent number 6,714,571
- Issue date Mar 30, 2004
- Pioneer Corporation
- Yoshiaki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge type semiconductor laser of laterally-coupled distributed fee...
- Patent number 6,573,116
- Issue date Jun 3, 2003
- Pioneer Electronic Corporation
- Yoshiaki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge-structure DFB semiconductor laser and method of manufacturing...
- Patent number 6,537,841
- Issue date Mar 25, 2003
- Pioneer Corporation
- Kiyoshi Takei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmitter/receiver module and method of manufacturing the...
- Patent number 6,535,670
- Issue date Mar 18, 2003
- Pioneer Corporation
- Kiyoshi Takei
- G02 - OPTICS
Information Patent Grant
Optical transmitter and receiver module which demultiplexes a super...
- Patent number 6,504,632
- Issue date Jan 7, 2003
- Pioneer Corporation
- Yoshiaki Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed feedback semiconductor laser element and method for mak...
- Patent number 6,500,687
- Issue date Dec 31, 2002
- Pioneer Electronic Corporation
- Kiyoshi Takei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge-structure DFB semiconductor laser and method of manufacturing...
- Patent number 6,381,258
- Issue date Apr 30, 2002
- Pioneer Corporation
- Kiyoshi Takei
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for producing semiconductor laser module
- Patent number 6,348,360
- Issue date Feb 19, 2002
- Pioneer Corporation
- Nong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser
- Patent number 6,301,283
- Issue date Oct 9, 2001
- Pioneer Electronic Corporation
- Nong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing non-regrowth distributed feedback ridge sem...
- Patent number 6,291,256
- Issue date Sep 18, 2001
- Pioneer Corporation
- Nong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ridge type semiconductor laser of laterally-coupled distributed fee...
- Patent number 6,292,503
- Issue date Sep 18, 2001
- Pioneer Electronic Corporation
- Yoshiaki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-regrowth distributed feedback ridge semiconductor laser and met...
- Patent number 5,982,804
- Issue date Nov 9, 1999
- Pioneer Electronic Corporation
- Nong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing a resonator in a semiconductor laser device
- Patent number 5,825,789
- Issue date Oct 20, 1998
- Pioneer Electric Corporation
- Yoshiaki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for forming proton exchange layer and wavelength converting...
- Patent number 5,521,750
- Issue date May 28, 1996
- Pioneer Electric Corporation
- Atsushi Onoe
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Ridge-structure DFB semiconductor laser and method of manufacturing...
- Publication number 20020064199
- Publication date May 30, 2002
- PIONEER CORPORATION
- Kiyoshi Takei
- B82 - NANO-TECHNOLOGY
Information Patent Application
Ridge type semiconductor laser of laterally-coupled distributed fee...
- Publication number 20010046246
- Publication date Nov 29, 2001
- Pioneer Electronic Corporation
- Yoshiaki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISTRIBUTED FEEDBACK SEMICONDUCTOR LASER ELEMENT AND METHOD FOR MAK...
- Publication number 20010039069
- Publication date Nov 8, 2001
- Kiyoshi Takei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Ridge type semiconductor laser of distributed feedback
- Publication number 20010036213
- Publication date Nov 1, 2001
- Yoshiaki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS

Yoshiaki Watanabe

Person

Patents Grantslast 30 patents

Distributed feedback type semiconductor laser device

Ridge type semiconductor laser of distributed feedback

Ridge type semiconductor laser of laterally-coupled distributed fee...

Ridge-structure DFB semiconductor laser and method of manufacturing...

Optical transmitter/receiver module and method of manufacturing the...

Optical transmitter and receiver module which demultiplexes a super...

Distributed feedback semiconductor laser element and method for mak...

Ridge-structure DFB semiconductor laser and method of manufacturing...

Method for producing semiconductor laser module

Distributed feedback semiconductor laser

Method of manufacturing non-regrowth distributed feedback ridge sem...

Ridge type semiconductor laser of laterally-coupled distributed fee...

Non-regrowth distributed feedback ridge semiconductor laser and met...

Process for producing a resonator in a semiconductor laser device

Process for forming proton exchange layer and wavelength converting...

Patents Applicationslast 30 patents

Ridge-structure DFB semiconductor laser and method of manufacturing...

Ridge type semiconductor laser of laterally-coupled distributed fee...

DISTRIBUTED FEEDBACK SEMICONDUCTOR LASER ELEMENT AND METHOD FOR MAK...

Ridge type semiconductor laser of distributed feedback