KO

Koichirou Ogura

OC Oppama Industry Co.: 1 patents #1 of 4Top 25%
YA Yamabiko: 1 patents #6 of 36Top 20%
Overall (2019): #381,216 of 560,194Top 70%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10273925 Two-stroke internal combustion engine Kohsuke Watanabe, Naoto Kawahara, Yuichi Tsuyuki 2019-04-30