KF

Kunihiko Fujiwara

FU Fujikura: 55 patents #4 of 1,407Top 1%
NE Nec: 6 patents #2,374 of 14,502Top 20%
FC Furukawa Electric Co.: 4 patents #473 of 2,370Top 20%
NT NTT: 3 patents #1,627 of 4,871Top 35%
FC Futaba Industrial Co.: 3 patents #21 of 167Top 15%
UK Ushio Denki Kabushiki Kaisha: 1 patents #309 of 583Top 55%
FC Furakawa Electric Co.: 1 patents #1 of 49Top 3%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
TC The Furukawa Battery Co.: 1 patents #17 of 73Top 25%
FU Fujikara: 1 patents #1 of 16Top 7%
Overall (All Time): #31,711 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 26–50 of 67 patents

Patent #TitleCo-InventorsDate
8418305 Optical connector cleaning tool 2013-04-16
8408816 Optical connector Akito Nishimura, Yukio Hayashi 2013-04-02
8397337 Optical connector cleaning tool 2013-03-19
8376633 Optical path changer component, optical connector and optical device Akito Nishimura 2013-02-19
8317411 Connector holder, optical-electrical converter with attached connector holder, optical connector fixing structure and connector holder assembly method Akito Nishimura, Kenji Sasaki, Yukio Hayashi, Kazuhiko Kurata, Takashi Yoshikawa +1 more 2012-11-27
8266755 Cleaning device of optical connector Junichi Nakane 2012-09-18
8165432 Internal-reflection optical path changing member Tatsuya Ohta, Akito Nishimura, Kenji Sasaki, Yukio Hayashi 2012-04-24
8087118 Optical connector cleaning tool 2012-01-03
8083418 Connector holder, optical-electrical converter with attached connector holder, optical connector fixing structure and connector holder assembly method Akito Nishimura, Kenji Sasaki, Yukio Hayashi, Kazuhiko Kurata, Takashi Yoshikawa +1 more 2011-12-27
8079111 Optical connector cleaning tool and optical component cleaning tool 2011-12-20
D642756 Optical connector cleaner Junichi Nakane 2011-08-02
7918610 Optical transceiver and optical connector Akito Nishimura, Yukio Hayashi, Tetsuo Nozawa, Takanori Shimizu, Ichiro Hatakeyama +1 more 2011-04-05
7850372 Optical connector with optical fiber Akito Nishimura, Takaaki Ishikawa, Yukio Hayashi 2010-12-14
7726885 Optical connector having a fitting protrusion or fitting recess used for positioning Akito Nishimura, Tatsuya Ohta, Kenji Sasaki, Yukio Hayashi 2010-06-01
D610319 Optical connector cleaner 2010-02-16
D609867 Optical connector cleaner 2010-02-09
7588374 Optical ferrule and manufacturing method thereof Akito Nishimura, Takahiko Sabano 2009-09-15
7559702 Connector holder, optical-electrical converter with attached connector holder, optical connector fixing structure and connector holder assembly method Akito Nishimura, Kenji Sasaki, Yukio Hayashi, Kazuhiko Kurata, Takashi Yoshikawa +1 more 2009-07-14
7534052 Optical transceiver and optical connector Akito Nishimura, Yukio Hayashi, Tetsuo Nozawa, Takanori Shimizu, Ichiro Hatakeyama +1 more 2009-05-19
7473038 Optical connector for coupling an optical fiber to a circuit board Akito Nishimura, Kenji Sasaki, Yukio Hayashi, Ichiro Hatakeyama, Youichi Hashimoto +4 more 2009-01-06
7431514 Multifiber optical connector Tatsuya Ohta, Seiji Katoh 2008-10-07
7369729 Optical fiber sheet and optical fiber sheet production method Daigo Saito, Kazuhiro Takizawa, Tsuyoshi Shimomichi, Yasuhiro Tamaki, Yukio Hayashi 2008-05-06
7287914 Optical connector assembly, connector holder, and optical connector Takaaki Ishikawa 2007-10-30
7243390 Cleaning unit for optical connector and cleaning tool for optical connector Takaaki Ishikawa, Yuwa Tanaka 2007-07-17
7212719 Optical connector cleaning tool, cleaning tape, optical connector cleaning method, optical component cleaning tool Takaaki Ishikawa, Yuwa Tanaka, Hiroshi Furukawa 2007-05-01