ST

Shigemi Tsukamoto

Nsk: 3 patents #483 of 1,559Top 35%
NC Nippon Seiko Co.: 1 patents #121 of 315Top 40%
Overall (All Time): #1,223,667 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8341843 Method for manufacturing wheel supporting rolling bearing unit and method for inspecting double row rolling bearing unit Eishi Shibuya, Tatsuo Wakabayashi 2013-01-01
8341844 Manufacturing method of an outer ring for a bearing unit Katsuyuki Kawamura, Hirohide Ishida, Tatsuo Wakabayashi 2013-01-01
5462361 Electrorheological fluid damper for a slide mechanism Chuichi Sato, Hidenori Shinno 1995-10-31
5251154 Method for measuring accuracy of thread groove and system for the same Yasutami Matsumoto, Takashi Otani, Kunio Kawashima, Shoji Jibu 1993-10-05