CM

Chihiro Matsumoto

SI Sanshin Industries: 5 patents #80 of 319Top 30%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
NC Nippon Chemical Industrial Co.: 1 patents #100 of 212Top 50%
Overall (All Time): #631,942 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11204617 Boat and throttle operating device Yukitaka OKAMOTO 2021-12-21
8696946 Conductive powder, conductive material containing the same, and method for producing the same Masaaki Oyamada 2014-04-15
6506086 Exhaust system for watercraft 2003-01-14
6383040 Jet propulsion system for watercraft Kazumasa Ito, Tetsuya Ishino 2002-05-07
6244913 Propulsion unit assembly for personal watercraft Mitsuhisa Hirano, Makoto Nagafusa 2001-06-12
5730633 Impeller shaft seal and lubricator arrangement Yasuhiko Henmi 1998-03-24
5582125 Small jet propelled boat 1996-12-10
5551898 Discharge nozzle arrangement for water jet propulsion unit 1996-09-03