Jun Ohya

Person

Neyagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Signal converter, optical transmitter and optical fiber transmissio...
- Patent number 7,382,986
- Issue date Jun 3, 2008
- Matsushita Electric Industrial Co., Ltd.
- Jun Ohya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor laser module and optical transmission system
- Patent number 6,822,997
- Issue date Nov 23, 2004
- Matsushita Electric Industrial Co., Ltd.
- Kiyoshi Fujihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmitter
- Patent number 6,690,893
- Issue date Feb 10, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masaru Fuse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal converter, optical transmitter and optical fiber transmissio...
- Patent number 6,556,327
- Issue date Apr 29, 2003
- Matsushita Electric Industrial Co., Ltd.
- Jun Ohya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical device and method for producing the same
- Patent number 6,406,196
- Issue date Jun 18, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tomoaki Uno
- G02 - OPTICS
Information Patent Grant
Optical transmission system and optical transmitter and optical rec...
- Patent number 6,335,814
- Issue date Jan 1, 2002
- Matsushita Electric Industrial Co., Ltd.
- Masaru Fuse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intermediate isolator type fiber amplifier and fiber transmission s...
- Patent number 5,914,808
- Issue date Jun 22, 1999
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Mitsuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Short-wavelength laser element doped with rare earth ions, optical...
- Patent number 5,659,558
- Issue date Aug 19, 1997
- Matsushita Electric Industrial Co., Ltd.
- Genji Tohmon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Erbium-doped fiber amplifier and an optical fiber communication system
- Patent number 5,623,362
- Issue date Apr 22, 1997
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Mitsuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber amplifier and optical fiber transmission apparatus
- Patent number 5,598,491
- Issue date Jan 28, 1997
- Matsushita Electric Industrial Co., Ltd.
- Jun Ohya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber amplifier and optical fiber communication system
- Patent number 5,598,294
- Issue date Jan 28, 1997
- Matsushita Electric Industrial Co., Ltd.
- Tomoaki Uno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber amplifier and optical fiber transmission system
- Patent number 5,563,733
- Issue date Oct 8, 1996
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Mitsuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal amplification apparatus and an optical fiber transmi...
- Patent number 5,530,583
- Issue date Jun 25, 1996
- Matsushita Electric Industrial Co., Ltd.
- Tomoaki Uno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Analog optical transmission system
- Patent number 5,453,867
- Issue date Sep 26, 1995
- Matsushita Electric Industrial Co., Ltd.
- Jun Ohya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analog optical transmission system and optical fiber amplifier
- Patent number 5,436,751
- Issue date Jul 25, 1995
- Matsushita Electric Industrial Co., Ltd.
- Jun Ohya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser element doped with rare earth ions, optical amplifier element...
- Patent number 5,426,656
- Issue date Jun 20, 1995
- Matsushita Electric Industrial Co., Ltd.
- Genji Tohmon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth ion doped optical element
- Patent number 5,341,237
- Issue date Aug 23, 1994
- Matsushita Electric Industrial Co., Ltd.
- Genji Tohmon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber amplifier doped with dysprosium ion for the 1.3 .mu.m...
- Patent number 5,321,708
- Issue date Jun 14, 1994
- Matsushita Electric Industrial Co., Ltd.
- Genji Tohmon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical pulse generator using gain-switched semiconductor laser
- Patent number 5,177,752
- Issue date Jan 5, 1993
- Matsushita Electric Industrial Co., Ltd.
- Jun Ohya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Short optical pulse generators using mode-locked semiconductor lase...
- Patent number 4,910,738
- Issue date Mar 20, 1990
- Matsushita Electric Industrial Co., Ltd.
- Toshihiro Fujita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device having monolithically formed active and...
- Patent number 4,899,360
- Issue date Feb 6, 1990
- Matsushita Electric Industrial Co., Ltd.
- Toshihiro Fujita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical integrated circuit for heterodyne detection
- Patent number 4,843,609
- Issue date Jun 27, 1989
- Matsushita Electric Industrial Co., Ltd.
- Jun Ohya
- G02 - OPTICS
Information Patent Grant
Semiconductor laser device
- Patent number 4,794,608
- Issue date Dec 27, 1988
- Matsushita Electric Inductrial Co., Ltd.
- Toshihiro Fujita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Optical transmission system and optical transmitter and optical rec...
- Publication number 20040136730
- Publication date Jul 15, 2004
- Masaru Fuse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal converter, optical transmitter and optical fiber transmissio...
- Publication number 20030198476
- Publication date Oct 23, 2003
- Matsushita Electric Industrial Co., Ltd.
- Jun Ohya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Semiconductor laser module and optical transmission system
- Publication number 20030001164
- Publication date Jan 2, 2003
- Matsushita Electric Industrial Co., Ltd.
- Kiyoshi Fujihara
- G02 - OPTICS
Information Patent Application
Optical transmission system and optical transmitter and optical rec...
- Publication number 20020033987
- Publication date Mar 21, 2002
- Masaru Fuse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Signal converter, optical transmitter and optical fiber transmissio...

Semiconductor laser module and optical transmission system

Optical transmitter

Signal converter, optical transmitter and optical fiber transmissio...

Optical device and method for producing the same

Optical transmission system and optical transmitter and optical rec...

Intermediate isolator type fiber amplifier and fiber transmission s...

Short-wavelength laser element doped with rare earth ions, optical...

Erbium-doped fiber amplifier and an optical fiber communication system

Optical fiber amplifier and optical fiber transmission apparatus

Optical fiber amplifier and optical fiber communication system

Optical fiber amplifier and optical fiber transmission system

Optical signal amplification apparatus and an optical fiber transmi...

Analog optical transmission system

Analog optical transmission system and optical fiber amplifier

Laser element doped with rare earth ions, optical amplifier element...

Rare earth ion doped optical element

Optical fiber amplifier doped with dysprosium ion for the 1.3 .mu.m...

Optical pulse generator using gain-switched semiconductor laser

Short optical pulse generators using mode-locked semiconductor lase...

Semiconductor laser device having monolithically formed active and...

Optical integrated circuit for heterodyne detection

Semiconductor laser device

Patents Applicationslast 30 patents

Optical transmission system and optical transmitter and optical rec...

Signal converter, optical transmitter and optical fiber transmissio...

Semiconductor laser module and optical transmission system

Optical transmission system and optical transmitter and optical rec...