KT

Katsunori Tsumura

JT Jtekt: 1 patents #1,102 of 1,969Top 60%
KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
Overall (All Time): #2,124,558 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7758248 Bearing assembly Tomoyuki Aida, Hiroshi Yano 2010-07-20
4523862 Tapered roller bearing Hiroyoshi Yasui, Teruo Yoshida, Hiroshi Ueno 1985-06-18