KK

Kazufumi Kumakura

Mazda Motor: 2 patents #1,722 of 4,755Top 40%
📍 Aki, JP: #164 of 393 inventorsTop 45%
Overall (All Time): #1,732,086 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12392274 Vehicle cooling device Keitaro Kageyama, Shinichi Hikitani, Tomohiro Koguchi, Yukio Jo, Daisuke Shimo +14 more 2025-08-19
10612474 Controller for multi-cylinder engine Keitaro Ezumi, Kazuhiro Takemoto, Tomokuni Kusunoki, Atsushi Inoue, Akitomo Takagi +7 more 2020-04-07