YK

Yasushi Kawamura

Shell Oil Compny: 2 patents #18 of 285Top 7%
Overall (2011): #57,501 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7897550 Urea grease composition for constant velocity joints Takumi Matsumoto, Kazuhiro Miyajima, Tetsuo Nimura, Kazushige Ohmura, Noriaki Shinoda +2 more 2011-03-01
7867956 Urea-based lubricating grease composition Toshihiro Asakura, Hirofumi Kuwabara, Takahiro Ozaki, Shigeyuki Sugimori, Keiji Tanaka 2011-01-11