MT

Masao Tachikura

NT NTT: 14 patents #251 of 4,871Top 6%
HC Hitachi Cable: 5 patents #118 of 1,086Top 15%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
FC Furukawa Electric Co.: 2 patents #850 of 2,370Top 40%
FU Fujikura: 1 patents #788 of 1,407Top 60%
Overall (All Time): #240,286 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
8915100 Optical fiber end processing method and optical fiber end processing apparatus Yoshiyuki Hiramoto 2014-12-23
8800323 Method of sealing air holes in an optical fiber Yoshinori Kurosawa, Bing Yao, Kazumasa Ohsono, Hisanori Nakai, Toshio Kurashima +2 more 2014-08-12
8764317 Optical fiber end processing method and optical fiber end processing apparatus and optical fiber end Noribumi Shiina, Tatsuo Teraoka, Yoshiyuki Hiramoto, Mitsumasa Zobuchi, Fumi Miyata 2014-07-01
8490435 Optical fiber end processing method and optical fiber end processing apparatus Hiroyuki Ohkubo 2013-07-23
8472769 Optical fiber, end part processing method of optical fiber, and end part processing apparatus of optical fiber Kazumasa Ohsono, Noribumi Shiina, Kanako Suzuki, Yoshikazu Namekawa, Kyoji Osozawa +3 more 2013-06-25
7658550 Optical fiber, optical fiber connecting method, and optical connector Yoshinori Kurosawa, Bing Yao, Kazumasa Ohsono, Hisanori Nakai, Toshio Kurashima +2 more 2010-02-09
7376315 Optical fiber, optical fiber connecting method, and optical connector Yoshinori Kurosawa, Bing Yao, Kazumasa Ohsono, Hisanori Nakai, Toshio Kurashima +2 more 2008-05-20
7349610 Optical fiber coiled cord Kazumasa Ohsono, Yoshinori Kurosawa, Yoshikazu Namekawa, Kenji Kawase, Toshio Kurashima +2 more 2008-03-25
7153570 Optical fiber cord Fuminori Nakajima, Nobuhisa Ishii, Shigenori Uruno, Hisashi Izumita, Hitoshi Ishimaru +1 more 2006-12-26
6893719 Optical fiber cord Fuminori Nakajima, Nobuhisa Ishii, Shigenori Uruno, Hisashi Izumita, Hitoshi Ishimaru +1 more 2005-05-17
6256443 Optical fiber distribution module for holding an optical fiber cord and fiber distribution system using optical fiber cords Shigenori Uruno, Hisashi Izumita, Koji Mine, Yoshitaka Enomoto, Naoki Nakao +3 more 2001-07-03
6195489 Optical fiber cord, ribbon cord using the same and ribbon cord branch line Keiji Oohashi, Tsuyoshi Shimomichi, Etsuo Ino, Tetsuo Hayano, Kazunaga Kobayashi +2 more 2001-02-27
6185350 Optical fiber cord and optical cord ribbon Hajime Takemoto, Shigenori Uruno, Isao Nakanishi 2001-02-06
6115522 Optical fiber cord and optical cord ribbon Hajime Takemoto, Shigenori Uruno, Isao Nakanishi 2000-09-05
5661826 Transmission line switching apparatus Kazuhito Saito, Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri 1997-08-26
5613021 Optical fiber switching device having one of a robot mechanism and an optical fiber length adjustment unit Kazuhito Saito, Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri 1997-03-18
5581644 Transmission line switching apparatus Kazuhito Saito, Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri 1996-12-03
5504825 Optical fiber switching device and method Kazuhito Saito, Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri 1996-04-02
5386485 Optical fiber switching device having an optical fiber length adjustment unit and method for using the same Kazuhito Saito, Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri 1995-01-31