KO

Keiji Ohashi

FU Fujikura: 15 patents #51 of 1,407Top 4%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Overall (All Time): #301,169 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7496261 Dispersion compensating optical fiber and dispersion compensating optical fiber module Kazuhiko Aikawa, Yutaka Nagasawa, Shogo Shimizu, Takaaki Suzuki, Masakazu Nakayama +3 more 2009-02-24
7421169 Optical fiber cable Takeshi Honjo, Satoru Shiobara, Tsuyoshi Shimomichi 2008-09-02
7072554 Optical fiber and optical fiber cable using the same Hirohito Watanabe, Keiko Mitsuhashi, Tsuyoshi Shimomichi 2006-07-04
7068908 Resin liquid for optical fiber coating layer Keiko Mitsuhashi, Tsuyoshi Shimomichi 2006-06-27
6973243 Cable Osamu Koyasu, Kazunaga Kobayashi, Satoru Shiobara, Ken Osato, Masashi Hara +2 more 2005-12-06
6965719 Dispersion compensating optical fiber and dispersion compensating optical fiber module Kazuhiko Aikawa, Yutaka Nagasawa, Shogo Shimizu, Takaaki Suzuki, Masakazu Nakayama +3 more 2005-11-15
6931190 Optical fiber unit for air blown fiber installation Etsuo Ino, Tsuyoshi Shimomichi 2005-08-16
6915050 Identification member in slots in the core of an optical fiber cable Osamu Koyasu, Kazunaga Kobayashi, Satoru Shiobara, Ken Ohsato, Masashi Hara +2 more 2005-07-05
6870994 Optical fiber cord, manufacturing method thereof, and manufacturing apparatus thereof Kazunaga Kobayashi, Masahiro Kusakari, Takeshi Honjyou 2005-03-22
6862390 Optical fiber drop cable Shimei Tanaka, Masahiro Kusakari, Kazunaga Kobayashi 2005-03-01
6853782 Optical fiber drop cable Kazunaga Kobayashi, Masahiro Kusakari, Matsuhiro Miyamoto, Hirohito Watanabe 2005-02-08
6834148 Optical fiber cord and manufacturing method thereof Takeshi Honjyou, Masahiro Kusakari, Ken Ohsato, Kazunaga Kobayashi 2004-12-21
6804442 Optical fiber and optical fiber cable having a first jacket layer and a second jacket layer and a coefficient of thermal expansion selecting method Hirohito Watanabe 2004-10-12
6775445 Optical fiber drop cable Kazunaga Kobayashi, Masahiro Kusakari, Shimei Tanaka, Matsuhiro Miyamoto 2004-08-10
6728455 Optical fiber drop cable and manufacturing method thereof Masahiro Kusakari, Kazunaga Kobayashi, Shimei Tanaka 2004-04-27
4607067 Foundry sand binder Kohichi Handa 1986-08-19