Yoshiaki Terasawa

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Connection unit, optical fiber line unit, optical cable, and optica...
- Patent number 6,840,682
- Issue date Jan 11, 2005
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Connection unit, optical fiber line unit, optical cable, and optica...
- Patent number 6,533,464
- Issue date Mar 18, 2003
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
MCVD method with GE depletion to form a single mode optical fiber
- Patent number 6,446,469
- Issue date Sep 10, 2002
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Method of making a single-mode optical fiber with multiple concentr...
- Patent number 6,295,843
- Issue date Oct 2, 2001
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Optical fiber diffraction grating, a method of fabricating thereof...
- Patent number 6,067,392
- Issue date May 23, 2000
- Sumitomo Electric Industries, Ltd.
- Toshinori Wakami
- G02 - OPTICS
Information Patent Grant
Method of making a single-mode optical fiber with multiple concentr...
- Patent number 6,062,046
- Issue date May 16, 2000
- Sumitomo Electric Industries, Inc.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Single-mode optical fiber
- Patent number 5,946,439
- Issue date Aug 31, 1999
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Single-mode optical fiber
- Patent number 5,913,005
- Issue date Jun 15, 1999
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Single-mode optical fiber with plural core portions
- Patent number 5,822,488
- Issue date Oct 13, 1998
- Sumitomo Electric Industries, Inc.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Single-mode optical fiber
- Patent number 5,732,178
- Issue date Mar 24, 1998
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Single mode optical fiber
- Patent number 5,559,921
- Issue date Sep 24, 1996
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Method of constructing an optical wiring network
- Patent number 5,358,218
- Issue date Oct 25, 1994
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Grant
Method and apparatus for laying and collecting a wire
- Patent number 5,328,155
- Issue date Jul 12, 1994
- Sumitomo Electric Industries, Ltd.
- Hiroaki Sano
- G02 - OPTICS
Information Patent Grant
Method and apparatus for laying and collecting a wire
- Patent number 5,263,686
- Issue date Nov 23, 1993
- Sumitomo Electric Industries, Ltd.
- Hiroaki Sano
- G02 - OPTICS
Information Patent Grant
Method and apparatus for laying and collecting a wire
- Patent number 5,163,657
- Issue date Nov 17, 1992
- Sumitomo Electric Industries, Ltd.
- Hiroaki Sano
- G02 - OPTICS
Information Patent Grant
Method for laying optical fiber unit and apparatus therefor
- Patent number 5,143,353
- Issue date Sep 1, 1992
- Sumitomo Electric Industries, Ltd.
- Hiroaki Sano
- G02 - OPTICS
Information Patent Grant
Optical fiber unit
- Patent number 5,109,456
- Issue date Apr 28, 1992
- Sumitomo Electric Industries, Ltd.
- Hiroaki Sano
- G02 - OPTICS
Information Patent Grant
Optical fiber adapted for air blown fiber installation
- Patent number 4,997,256
- Issue date Mar 5, 1991
- Sumitomo Electric Industries, Ltd.
- Hiroaki Sano
- G02 - OPTICS
Information Patent Grant
Pressure transporting system
- Patent number 4,952,021
- Issue date Aug 28, 1990
- Sumitomo Electric Industries Ltd.
- Tetsuji Aoki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL ACCESS NETWORK SYSTEM
- Publication number 20100104247
- Publication date Apr 29, 2010
- Sumitomo Electric Industries, Ltd.
- Tsuyoshi Imaizumi
- G02 - OPTICS
Information Patent Application
Cable connecting method and optical fiber connecting member
- Publication number 20030180015
- Publication date Sep 25, 2003
- Hiroyoshi Yamamoto
- G02 - OPTICS
Information Patent Application
Connection unit, optical fiber line unit, optical cable, and optica...
- Publication number 20030156782
- Publication date Aug 21, 2003
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- G02 - OPTICS
Information Patent Application
Single-mode optical fiber and method of fabricating the same
- Publication number 20030007761
- Publication date Jan 9, 2003
- Sumitomo Electric Industries, Ltd.
- Yoshiaki Terasawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Single-mode optical fiber and method of fabricating the same
- Publication number 20020000103
- Publication date Jan 3, 2002
- Yoshiaki Terasawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Optical transmission system
- Publication number 20010048539
- Publication date Dec 6, 2001
- Sumitomo Electric Industries, Inc.
- Yuji Kubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yoshiaki Terasawa

Person

Patents Grantslast 30 patents

Connection unit, optical fiber line unit, optical cable, and optica...

Connection unit, optical fiber line unit, optical cable, and optica...

MCVD method with GE depletion to form a single mode optical fiber

Method of making a single-mode optical fiber with multiple concentr...

Optical fiber diffraction grating, a method of fabricating thereof...

Method of making a single-mode optical fiber with multiple concentr...

Single-mode optical fiber

Single-mode optical fiber

Single-mode optical fiber with plural core portions

Single-mode optical fiber

Single mode optical fiber

Method of constructing an optical wiring network

Method and apparatus for laying and collecting a wire

Method and apparatus for laying and collecting a wire

Method and apparatus for laying and collecting a wire

Method for laying optical fiber unit and apparatus therefor

Optical fiber unit

Optical fiber adapted for air blown fiber installation

Pressure transporting system

Patents Applicationslast 30 patents

OPTICAL ACCESS NETWORK SYSTEM

Cable connecting method and optical fiber connecting member

Connection unit, optical fiber line unit, optical cable, and optica...

Single-mode optical fiber and method of fabricating the same

Single-mode optical fiber and method of fabricating the same

Optical transmission system