HK

Hideyuki Koyama

Kubota: 3 patents #16 of 183Top 9%
Overall (2017): #77,055 of 506,227Top 20%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9828933 Engine cooler Kentaro Nagai, Hideyuki Goto, Takahiro Yamazaki, Hiroshi Kuwasaki 2017-11-28
9771854 Engine water-cooling device Naoya Sakurai, Hideyuki Goto, Kentaro Nagai, Tadashi Nakano 2017-09-26
9765671 Exhaust treatment apparatus for engine Tomoya Akitomo, Yuichi Tamaki, Ryutaro Komura 2017-09-19