NK

Naoto Kawahara

Mazda Motor: 1 patents #166 of 478Top 35%
OC Oppama Industry Co.: 1 patents #1 of 4Top 25%
YA Yamabiko: 1 patents #6 of 36Top 20%
Overall (2019): #136,342 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10273925 Two-stroke internal combustion engine Koichirou Ogura, Kohsuke Watanabe, Yuichi Tsuyuki 2019-04-30
10202122 Device for controlling a vehicle Ryoji Haruna, Lipeng Chou 2019-02-12