KT

Koju Tsukahara

Yamaha Motor: 3 patents #603 of 2,310Top 30%
Overall (All Time): #1,563,624 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8016989 Exhaust gas sensor Shigeyuki Ozawa, Isao Nonaka 2011-09-13
7536855 Exhaust control device for water jet propulsion boat 2009-05-26
6530812 Secondary thrust arrangement for small watercraft Satoshi Koyano, Hisato Yamada, Tsuide Yanagihara, Yusuke Aoyama, Yoshihiro Gahara 2003-03-11