II

Itsuo Ishikawa

IC Ishikawa Gasket Co.: 3 patents #3 of 11Top 30%
Overall (1994): #12,525 of 165,921Top 8%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5375856 Protecting member for a gasket Tsunekazu Udagawa, Hisashi Yasui, Susumu Inamura 1994-12-27
5316322 Metal plate with intersecting beads Tsunekazu Udagawa 1994-05-31
5277433 Metal laminate gasket with surface pressure adjusting ring Katsushiro Ishikawa, deceased 1994-01-11