HT

Hiroyasu Tomii

NC Nippon Piston Ring Co.: 2 patents #59 of 208Top 30%
KC Kay Seven Co.: 1 patents #3 of 4Top 75%
📍 Kawaguchi, JP: #205 of 473 inventorsTop 45%
Overall (All Time): #2,295,317 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5324235 Cardan-type universal joint Yukio Kaneko 1994-06-28
5062730 Universal joint Yukio Kaneko 1991-11-05