HI

Hiroaki Isoshima

Kubota: 6 patents #338 of 2,059Top 20%
Overall (All Time): #814,865 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11280233 Ventilator-equipped engine Takeshi Kawasaki, Yuichiro Yamada 2022-03-22
11274627 Spark ignition engine Takeshi Kawasaki, Yuichiro Yamada 2022-03-15
10975742 Blow-by gas return device Kentaro Shiraishi 2021-04-13
10774704 Engine head cover Kentaro Shiraishi, Naotaro Nagai 2020-09-15
6155222 Overhead valve engine Shin Isomura 2000-12-05
5960751 Inclined engine with governor gear 1999-10-05