HK

Hideyuki Koyama

Kubota: 2 patents #28 of 200Top 15%
Overall (2018): #144,542 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10161353 Piston for engine Hiroki Oso, Takahiro Yamazaki, Kentaro Nagai, Rina KANEKO 2018-12-25
10018147 Piston for engine Hiroki Oso, Manabu Miyazaki, Hideyuki Goto, Takahito Hamasaki, Takahiro Yamazaki 2018-07-10