Kenichi Hayasaka

Yamaha Motor: 3 patents #2 of 63Top 4%

Overall (1994): #11,463 of 165,921Top 7%

Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5327793	Thrust bearings and bevel gears arrangement of marine propulsion unit	—	1994-07-12
5328396	Power transmission system for an inboard/outboard motor	—	1994-07-12
5301922	Change-over valve means for a hydraulic clutch of the marine propulsion unit	—	1994-04-12