TO

Tadashi Okumura

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HG HGST: 4 patents #1,032 of 1,677Top 65%
GO Gohsyu: 3 patents #1 of 18Top 6%
FC Fuji Electric Co.: 2 patents #952 of 2,643Top 40%
OJ Oclaro Japan: 2 patents #36 of 108Top 35%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
Overall (All Time): #285,180 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12314848 Computer system and model training method Sanato NAGATA, Masahiko Ando 2025-05-27
11423286 Computing system and method Sanato NAGATA, Masahiko Ando 2022-08-23
11423299 Device and computer realizing calculation of reservoir layer of reservoir computing Mitsuharu Tai, Masahiko Ando, Sanato NAGATA, Norifumi Kameshiro 2022-08-23
9664866 Optical transmission module and manufacturing method thereof 2017-05-30
9523825 Optical transmission module and manufacturing method thereof 2016-12-20
9269869 Semiconductor optical element Shinichi Saito, Kazuki Tani, Etsuko Nomoto, Katsuya Oda 2016-02-23
9032773 Manufacturing apparatus of plate-like tooth profile member Nobuyasu Nishihata, Kenji Tasaki 2015-05-19
7628539 Bearing mechanism, carriage assembly, and magnetic disk drive 2009-12-08
7301721 Falling sensor and the information processing device making use of it Tatsuya Ito, Tsuyoshi Takahashi, Masatoshi Ishikawa, Yuji Nishimura, Tetsuo Yuki 2007-11-27
6995939 Falling sensor and the information processing device making use of it Tatsuya Ito, Tsuyoshi Takahashi, Masatoshi Ishikawa, Yuji Nishimura, Tetsuo Yuki 2006-02-07
6771449 Falling sensor and the information processing device making use of it Tatsuya Ito, Tsuyoshi Takahashi, Masatoshi Ishikawa, Yuji Nishimura, Tetsuo Yuki 2004-08-03
6536257 Speed-changing gear manufacturing apparatus Sakae Nishigori 2003-03-25
6260400 Full enclosed forging apparatus Shigeru Nishigohri, Fujio Sunami 2001-07-17
6161415 Cold deep hole forming device Mutsumi Kato 2000-12-19
4590658 Tube wall thickness measurement Yutaka Funyu, Asao Monno, Masami Shimizu 1986-05-27
4491731 Tube wall thickness measurement Yutaka Funyu, Asao Monno, Masami Shimizu 1985-01-01