YK

Yasushi Kawamura

SK Showa Shell Sekiyu K.K.: 1 patents #1 of 8Top 15%
Overall (1997): #57,681 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5624889 Lubricating grease composition Takahiro Ozaki, Tomoo Munakata, Kazunori Takase, Tetsuo Tsuchiya 1997-04-29