Inventor
TERASAWA YOSHIAKI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “TERASAWA YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
19 patentsUS6067392AMay 23, 2000
Optical fiber diffraction grating, a method of fabricating thereof and a laser light source
SUMITOMO ELECTRIC INDUSTRIES97 citations96
US5822488AOct 13, 1998
Single-mode optical fiber with plural core portions
SUMITOMO ELECTRIC INDUSTRIES62 citations96
US6062046AMay 16, 2000
Method of making a single-mode optical fiber with multiple concentric core portions including the RIT process
SUMITOMO ELECTRIC INDUSTRIES19 citations92
US5732178AMar 24, 1998
Single-mode optical fiber
SUMITOMO ELECTRIC INDUSTRIES45 citations92
US5559921ASep 24, 1996
Single mode optical fiber
SUMITOMO ELECTRIC INDUSTRIES46 citations92
US5143353ASep 1, 1992
Method for laying optical fiber unit and apparatus therefor
SUMITOMO ELECTRIC INDUSTRIES45 citations92
US5109456AApr 28, 1992
Optical fiber unit
SUMITOMO ELECTRIC INDUSTRIES48 citations92
US5946439AAug 31, 1999
Single-mode optical fiber
SUMITOMO ELECTRIC INDUSTRIES36 citations91
US5913005AJun 15, 1999
Single-mode optical fiber
SUMITOMO ELECTRIC INDUSTRIES24 citations91
US4952021AAug 28, 1990
Pressure transporting system
SUMITOMO ELECTRIC INDUSTRIES109 citations90
US6295843B1Oct 2, 2001
Method of making a single-mode optical fiber with multiple concentric core portions by using an outside vapor deposition process
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US5358218AOct 25, 1994
Method of constructing an optical wiring network
SUMITOMO ELECTRIC INDUSTRIES9 citations74
US5163657ANov 17, 1992
Method and apparatus for laying and collecting a wire
SUMITOMO ELECTRIC INDUSTRIES10 citations73
US4997256AMar 5, 1991
Optical fiber adapted for air blown fiber installation
SUMITOMO ELECTRIC INDUSTRIES15 citations72
US6840682B2Jan 11, 2005
Connection unit, optical fiber line unit, optical cable, and optical transmission system
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US6446469B2Sep 10, 2002
MCVD method with GE depletion to form a single mode optical fiber
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US5328155AJul 12, 1994
Method and apparatus for laying and collecting a wire
SUMITOMO ELECTRIC INDUSTRIES4 citations62
US5263686ANov 23, 1993
Method and apparatus for laying and collecting a wire
SUMITOMO ELECTRIC INDUSTRIES4 citations62
US6533464B1Mar 18, 2003
Connection unit, optical fiber line unit, optical cable, and optical transmission system
SUMITOMO ELECTRIC INDUSTRIES0 citations52