TH

Takemi Hasegawa

Sumitomo Electric Industries: 45 patents #198 of 21,551Top 1%
SC Sumitomo Electric Optifrontier Co.: 1 patents #40 of 57Top 75%
Overall (All Time): #63,846 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
7505656 Optical fiber and optical fiber device Tetsuya Nakanishi, Masaaki Hirano 2009-03-17
7484387 Method of making a microstructured optical fiber Masashi Onishi, Eisuke Sasaoka, Masayuki Nishimura 2009-02-03
7440665 Optical fiber 2008-10-21
7340137 Optical fiber and optical module Masaaki Hirano 2008-03-04
7153034 Method of constructing an optical transmission line and an optical transmission line Eisuke Sasaoka, Masashi Onishi, Masayuki Nishimura 2006-12-26
7043127 Microstructured optical fiber Eisuke Sasaoka, Daizo Nishioka, Tomohiko Ueda, Toshifumi Hosoya 2006-05-09
6922503 Optical system module 2005-07-26
6915053 Microstructured optical fiber and optical module 2005-07-05
6901197 Microstructured optical fiber Eisuke Sasaoka, Daizo Nishioka, Tomohiko Ueda, Toshifumi Hosoya 2005-05-31
6868213 Optical fiber and production method therefor Eisuke Sasaoka, Masashi Onishi, Shinji Ishikawa 2005-03-15
6859598 Microstructured optical fiber Eisuke Sasaoka, Masayuki Nishimura 2005-02-22
6850679 Microstructured optical fiber and method of making 2005-02-01
6766088 Optical fiber and method for making the same Masashi Onishi, Eisuke Sasaoka, Masayuki Nishimura 2004-07-20
6718105 Optical fiber Eisuke Sasaoka, Masayuki Nishimura 2004-04-06
6661954 Optical transmission line including a connected part of optical fibers and connecting method Eisuke Sasaoka, Shinji Ishikawa, Masashi Onishi 2003-12-09
6636677 Optical fiber Eisuke Sasaoka, Masayuki Nishimura, Masashi Onishi 2003-10-21
6608955 Optical fiber and laser machining apparatus Keiichiro Fukuda, Masaharu Mogi 2003-08-19
6606440 Microstructured optical fiber Eisuke Sasaoka, Masayuki Nishimura 2003-08-12
6571045 Microstructured optical fiber Eisuke Sasaoka, Masayuki Nishimura 2003-05-27
6526209 Optical fiber having improved optics and structure Eisuke Sasaoka, Masayuki Nishimura, Masashi Onishi 2003-02-25