KO

Kenichi Ohtsuki

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
Overall (All Time): #147,898 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
7058062 Packet switching system having self-routing switches Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Takao Kato +2 more 2006-06-06
6728242 ATM cell switching system Yoshito Sakurai, Shinobu Gohara, Makoto Mori, Akira Horiki, Takao Kato +1 more 2004-04-27
6639920 Distributed type switching system Yoshito Sakurai, Shinobu Gohara, Takao Kato, Hiroshi Kuwahara, Eiichi Amada 2003-10-28
6618372 Packet switching system having-having self-routing switches Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Takao Kato +2 more 2003-09-09
6546011 ATM cell switching system Yoshito Sakurai, Shinobu Gohara, Makoto Mori, Akira Horiki, Takao Kato +1 more 2003-04-08
6445703 ATM cell switching system Yoshito Sakurai, Shinobu Gohara, Makoto Mori, Akira Horiki, Takao Kato +1 more 2002-09-03
6389025 Distributed type switching system Yoshito Sakurai, Shinobu Gohara, Takao Kato, Hiroshi Kuwahara, Eiichi Amada 2002-05-14
6335934 Distributed type switching system Yoshito Sakurai, Shinobu Gohara, Takao Kato, Hiroshi Kuwahara, Eiichi Amada 2002-01-01
6314096 Packet switching system having self-routing switches Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Takao Kato +2 more 2001-11-06
6304570 Distributed type switching system Yoshito Sakurai, Shinobu Gohara, Takao Kato, Hiroshi Kuwahara, Eiichi Amada 2001-10-16
6285675 ATM cell switching system Yoshito Sakurai, Shinobu Gohara, Makoto Mori, Akira Horiki, Takao Kato +1 more 2001-09-04
6215788 ATM cell switching system Yoshito Sakurai, Shinobu Gohara, Makoto Mori, Akira Horiki, Takao Kato +1 more 2001-04-10
6016317 ATM cell switching system Yoshito Sakurai, Shinobu Gohara, Makoto Mori, Akira Horiki, Takao Kato +1 more 2000-01-18
6005867 Time-division channel arrangement Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Takao Kato +2 more 1999-12-21
5999537 Packet switching system having self-routing switches Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Takao Kato +2 more 1999-12-07
5995510 Distributed type switching system Yoshito Sakurai, Shinobu Gohara, Takao Kato, Hiroshi Kuwahara, Eiichi Amada 1999-11-30
5745495 Apparatus for monitoring and controlling autonomous switching of trunk/subscriber lines in a distributed switching system Yoshito Sakurai, Shinobu Gohara, Takao Kato, Hiroshi Kuwahara, Eiichi Amada 1998-04-28
5740156 Packet switching system having self-routing switches Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Takao Kato +2 more 1998-04-14
5734655 Distributed type switching system Yoshito Sakurai, Shinobu Gohara, Takao Kato, Hiroshi Kuwahara, Eiichi Amada 1998-03-31
5513177 Distributed switching system having at least one module Yoshito Sakurai, Shinobu Gohara, Takao Kato, Hiroshi Kuwahara, Eiichi Amada 1996-04-30
5506713 Optical switching system Manabu Okamoto, Yoshito Sakurai 1996-04-09
5477362 Optical switching system Manabu Okamoto, Yoshito Sakurai 1995-12-19
RE34305 Switching system and method of construction thereof Yoshito Sakurai, Shinobu Gohara, Makoto Mori, Akira Horiki, Takao Kato +1 more 1993-07-06
5043979 Time-division channel arrangement Yoshito Sakurai, Shinobu Gohara, Takao Kato, Hiroshi Kuwahara, Eiichi Amada 1991-08-27
4964119 Method and system for packet exchange Noboru Endo, Takahiko Kozaki, Hiroshi Kuwahara, Shinobu Gohara 1990-10-16