KO

Keiji Osaka

Sumitomo Electric Industries: 14 patents #1,767 of 21,551Top 9%
NT NTT: 3 patents #1,627 of 4,871Top 35%
SO Sumiden Opcom: 2 patents #7 of 24Top 30%
Overall (All Time): #355,577 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7234881 MOLDING APPARATUS FOR A REINFORCEMENT RESIN COATING OF GLASS OPTICAL FIBER EXPOSING PORTION OF AN OPTICAL FIBER JUNCTION, METHOD FOR MOLDING REINFORCEMENT RESIN COATING OF A GLASS OPTICAL FIBER EXPOSING PORTION OF AN OPTICAL FIBER JUNCTION, AND OPTICAL FIBER CABLE Rei Koike, Kenji Io, Tatsuo Saito, Tomomi Moriya, Yukio Nomura +4 more 2007-06-26
6553791 Etching an optical fiber fusion splice Kenji Fujino 2003-04-29
6287020 Observation apparatus and fusion splicer for optical fibers Kazunari Hattori, Tsutomu Watanabe, Akira Tanabe 2001-09-11
6190057 Optical fiber ribbon fusion splicing apparatus Hidetoshi Hongu 2001-02-20
6105480 Apparatus for separating ribbon-coated multicore optical fiber Hideyuki Iwata 2000-08-22
5590227 Optical connector apparatus Takeo Komiya, Yasuo Asano, Tomomi Sano, Hidetoshi Takasugi, Kazuhiko Arimoto 1996-12-31
5530782 Intermediate branching method for optical path Tetsuaki Watanabe, Ken Kashima 1996-06-25
5524166 Separating tool for multi-core ribbon fiber Tetsuaki Watanabe, Ken Kashima 1996-06-04
5418872 Optical connector connecting apparatus and optical connector connecting method Takeo Komiya, Yasuo Asano, Hidetoshi Takasugi, Kazuhiko Arimoto 1995-05-23
5384878 Method for fusion connecting optical fibers utilizing V-grooves with nonconducting layer Toru Yanagi 1995-01-24
4812010 Apparatus for arranging a plurality of coated optical fibers and collective fusion splicing method using the apparatus Toru Yanagi, Yasuo Asano 1989-03-14
4750804 Optical fiber connecting jig Yuichi Usui, Tooru Yanagi 1988-06-14
4749252 Method for splicing optical fibers Tooru Yanagi, Yasuo Asano, Mitsuaki Osanai 1988-06-07
4715876 Method of and apparatus for coupling multicore coated optical fibers Yuichi Usui, Tooru Yanagi 1987-12-29