TT

Tokuhisa Tsutsui

SC Sankyo Seiki Mfg. Co.: 2 patents #61 of 244Top 25%
KS K. K. Sankyo Seiki Seisakusho: 1 patents #8 of 29Top 30%
SS Sankyo Seiki Seisakusho: 1 patents #122 of 287Top 45%
Overall (All Time): #1,281,339 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6155721 Dynamic-pressure fluid bearing Hironori Kurosawa, Yasushi Mizusaki, Hiromasa Marumo, Masamichi Hayakawa 2000-12-05
5763967 Dynamic-pressure fluid bearing Hironori Kurosawa, Yasushi Mizusaki, Hiromasa Marumo 1998-06-09
5236784 Bearing material and plastic bearing Toshihiro Kobayashi, Yuuki Nakamura 1993-08-17
5122896 Electrochromic display device with the counter electrode being preliminarily held in reduced or oxidized state Yasushi Mizusaki, Hiromasa Marumo 1992-06-16