KH

Kenichi Hayasaka

Yamaha Motor: 7 patents #221 of 2,310Top 10%
SI Sanshin Industries: 6 patents #72 of 319Top 25%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #357,156 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
6327464 Frequency conversion circuit having a variable trap circuit tuned to the local oscillator frequency 2001-12-04
5421756 Exhaust system for the marine propulsion machine 1995-06-06
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
5238433 Cover for the inboard-outboard motor 1993-08-24
5231890 Shifting system for outboard drive unit 1993-08-03
5201238 Shifting device for an engine 1993-04-13
5076113 Shifting device for marine propulsion unit 1991-12-31
5050912 Reusable vase connection for a marine propulsion unit 1991-09-24
4969370 Bearing structure for intermediate transmission shaft in vessel propulsion machine 1990-11-13
4963109 Shifting device for marine propulsion unit 1990-10-16
4927393 Fixing structure for bellows of marine propulsion device 1990-05-22
4909767 Propulsion unit for inboard-outboard motor 1990-03-20