KY

Kenji Yukishima

Yamaha Motor: 5 patents #351 of 2,310Top 20%
SI Sanshin Industries: 2 patents #147 of 319Top 50%
Overall (All Time): #678,761 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12296933 Outboard motor Kimitaka SARUWATARI, Akihiro Noma, Ryo NAKANISHI, Isao Tateishi, Makoto Mizutani 2025-05-13
12258894 Marine propulsion device and marine vessel Kimitaka SARUWATARI, Yu WAKAMIZU 2025-03-25
11091242 Outboard motor and method of manufacturing shaft for outboard motor Yuki Ikegaya 2021-08-17
10967948 Outboard motor and damper for propeller unit Junya Onoue, Toshio Suzuki, Noriyuki Natsume, Manabu Yamamoto, Koma Ariga +1 more 2021-04-06
8087958 Boat propulsion system Hiroyuki Tsunekawa 2012-01-03
6511356 Exhaust system for outboard motor 2003-01-28
6374792 Engine decompression device Hiroyuki Suzuki 2002-04-23