SK

Shigeo Kiyoi

NC Nippon Gasket Co.: 2 patents #22 of 56Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Overall (All Time): #2,049,469 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8714564 Cylinder head gasket Tomoyoshi Ogaeri, Masaki Chiba, Kazuya Yoshijima 2014-05-06
8123230 Cylinder head gasket Kazuya Yoshijima, Yasumaro Takeda 2012-02-28