YM

Yasutami Matsumoto

Nsk: 3 patents #483 of 1,559Top 35%
NC Nippon Seiko Co.: 2 patents #67 of 315Top 25%
Overall (All Time): #1,043,708 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6464616 Toroidal-type continuously variable transmission Yuko Kamamura 2002-10-15
6361401 Phase adjusting method and recess machining apparatus and method Tohru Sakaguchi 2002-03-26
6277004 Phase adjusting method and recess machining apparatus and method Tohru Sakaguchi 2001-08-21
5251154 Method for measuring accuracy of thread groove and system for the same Shigemi Tsukamoto, Takashi Otani, Kunio Kawashima, Shoji Jibu 1993-10-05
5072550 Grinding method and grinding machine with controlled grinding force 1991-12-17