TK

Toshiaki Katagiri

NT NTT: 6 patents #897 of 4,871Top 20%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
Overall (All Time): #888,479 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5661826 Transmission line switching apparatus Kazuhito Saito, Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Masao Tachikura 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, Masao Tachikura 1997-03-18
5581644 Transmission line switching apparatus Kazuhito Saito, Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Masao Tachikura 1996-12-03
5504825 Optical fiber switching device and method Kazuhito Saito, Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Masao Tachikura 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, Masao Tachikura 1995-01-31
5337378 Optical fiber switch including partitions for restricting surplus fibers Kazuhito Saito, Hideo Kobayashi 1994-08-09