Yasutake Ohishi

Person

Mito, JP

People

Patents Grantslast 30 patents

Information Patent Grant
ASE light source, optical amplifier and laser oscillator
- Patent number 6,912,083
- Issue date Jun 28, 2005
- NTT Electronics Corporation
- Yasutake Ohishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber splicing structure
- Patent number 6,417,963
- Issue date Jul 9, 2002
- Nippon Telegraph and Telephone Corporation
- Yasutake Ohishi
- G02 - OPTICS
Information Patent Grant
Yitterbium laser system
- Patent number 6,373,863
- Issue date Apr 16, 2002
- Rutgers University
- Yasutake Ohishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tellurite glass, optical amplifier, and light source
- Patent number 6,356,387
- Issue date Mar 12, 2002
- Nippon Telegraph and Telephone Corporation
- Yasutake Ohishi
- G02 - OPTICS
Information Patent Grant
Lasers, optical amplifiers, and amplification methods
- Patent number 6,278,719
- Issue date Aug 21, 2001
- Nippon Telegraph and Telephone Corporation
- Yasutake Ohishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tellurite glass, optical amplifier, and light source
- Patent number 6,266,181
- Issue date Jul 24, 2001
- Nippon Telegraph and Telephone Corporation
- Yasutake Ohishi
- G02 - OPTICS
Information Patent Grant
Optical fiber amplifier and optical amplification method
- Patent number 6,236,496
- Issue date May 22, 2001
- Nippon Telegraph and Telephone Corporation
- Makoto Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lasers, optical amplifiers, and amplification methods
- Patent number 6,205,164
- Issue date Mar 20, 2001
- Nippon Telegraph and Telephone Corporation
- Yasutake Ohishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluoride glass fiber
- Patent number 5,774,620
- Issue date Jun 30, 1998
- Nippon Telegraph & Telephone Corporation
- Yoshiki Nishida
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fibers for optical amplifiers
- Patent number 5,668,659
- Issue date Sep 16, 1997
- Nippon Telegraph & Telephone Corporation
- Tadashi Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber for optical amplifier
- Patent number 5,486,947
- Issue date Jan 23, 1996
- Nippon Telegraph & Telephone Corporation
- Yasutake Ohishi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber for optical amplifier
- Patent number 5,351,335
- Issue date Sep 27, 1994
- Nippon Telegraph & Telephone Corporation
- Yasutake Ohishi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Praseodymium laser system
- Patent number 5,309,452
- Issue date May 3, 1994
- Rutgers University
- Yasutake Ohishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making fluoride glass using barium .beta.-diketones
- Patent number 5,145,508
- Issue date Sep 8, 1992
- Nippon Telegraph & Telephone Corporation
- Kazuo Fujiura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for the preparation of fluoride glass and process for the p...
- Patent number 5,071,460
- Issue date Dec 10, 1991
- Nippon Telegraph & Telephone Corporation
- Kazuo Fujiura
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
ASE light source, optical amplifier and laser oscillator
- Publication number 20040184820
- Publication date Sep 23, 2004
- Yasutake Ohishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL FIBER SPLICING STRUCTURE
- Publication number 20020080474
- Publication date Jun 27, 2002
- Nippon Telegraph and Telephone Corporation
- Yasutake Ohishi
- C03 - GLASS MINERAL OR SLAG WOOL

Yasutake Ohishi

Person

Patents Grantslast 30 patents

ASE light source, optical amplifier and laser oscillator

Optical fiber splicing structure

Yitterbium laser system

Tellurite glass, optical amplifier, and light source

Lasers, optical amplifiers, and amplification methods

Tellurite glass, optical amplifier, and light source

Optical fiber amplifier and optical amplification method

Lasers, optical amplifiers, and amplification methods

Fluoride glass fiber

Optical fibers for optical amplifiers

Optical fiber for optical amplifier

Optical fiber for optical amplifier

Praseodymium laser system

Method of making fluoride glass using barium .beta.-diketones

Process for the preparation of fluoride glass and process for the p...

Patents Applicationslast 30 patents

ASE light source, optical amplifier and laser oscillator

OPTICAL FIBER SPLICING STRUCTURE