OT

Osamu Tokunaga

TO Toto: 9 patents #111 of 1,113Top 10%
JT Japan Tobacco: 2 patents #330 of 1,187Top 30%
TW Tokyo Automatic Machinery Works: 2 patents #17 of 58Top 30%
NC Ntt Communications: 1 patents #34 of 129Top 30%
Pioneer: 1 patents #1,107 of 1,730Top 65%
Overall (All Time): #385,387 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8515066 Method, apparatus and program for establishing encrypted communication channel between apparatuses Makoto Saito, Toshiyuki Yamasaki, Shin Miyakawa, Yasuhiro Shirasaki, Takamasa Uchiyama +3 more 2013-08-20
8001095 Method of updating a version of an application program Naoyuki Uramatsu, Tomoki Ohkawa, Wataru Negishi, Toshiyuki Yamasaki 2011-08-16
7296593 Opening and closing valve Hideyuki Matsui 2007-11-20
7258133 Pressure reducing valve Hideyuki Matsui, Yoshika Hirai 2007-08-21
6334226 Faucet support member Hideyuki Hasebe, Sigemiti Inada 2002-01-01
5806761 Combination faucet device Masatoshi Enoki, Setsuo Ito, Masaaki Itoh, Hirofumi Takeuchi 1998-09-15
5738275 Combination faucet device Masatoshi Enoki, Setsuo Ito, Masaaki Itoh, Hirofumi Takeuchi 1998-04-14
5551630 Hot and cold water mixing discharge device Masatoshi Enoki, Shinichi Yamato, Masahiko Imazono 1996-09-03
5494077 Hot and cold water mixing discharge device Masatoshi Enoki, Shinichi Yamato, Masahiko Imazono 1996-02-27
5462224 Hot and cold water mixing discharge device Masatoshi Enoki, Shinichi Yamato, Masahiko Imazono 1995-10-31
5435688 Bar-like article supplying apparatus Shigemitsu Hirama, Fujio Fukamizu 1995-07-25
5143295 Bubbly water outlet device Kenji Okayama, Yoshitaka Oba, Masahiko Imazono, Masatoshi Enoki, Masao Shimizu +6 more 1992-09-01
4792033 Apparatus and method for supplying articles to a conveyor Yasuo Iwata, Hisasi Kuga, Toshihide Kohata 1988-12-20