HK

Hirofumi Kuwabara

JT Jtekt: 1 patents #52 of 267Top 20%
Shell Oil Compny: 1 patents #52 of 285Top 20%
Overall (2011): #96,772 of 364,097Top 30%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7963852 Spline shaft Junji Ando, Yoshiaki Senga, Tomoo Suzuki, Kazunori Aoki, Toshiyuki Saito 2011-06-21
7867956 Urea-based lubricating grease composition Toshihiro Asakura, Yasushi Kawamura, Takahiro Ozaki, Shigeyuki Sugimori, Keiji Tanaka 2011-01-11