NK

Naoyoshi Kuragaki

SI Sanshin Industries: 5 patents #80 of 319Top 30%
Yamaha Motor: 4 patents #461 of 2,310Top 20%
SK Shansin Kogyo Kabushiki Kaisha: 1 patents #1 of 12Top 9%
Overall (All Time): #472,668 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6228238 Outside power source-type, electrical, corrosion protection 2001-05-08
6048234 Hydraulic tilt and trim unit for marine drive Yoshikatsu Uematsu, Kazuya Takeuchi 2000-04-11
6015318 Hydraulic tilt and trim unit for marine drive Yoshikatsu Uematsu, Kazuya Takeuchi 2000-01-18
5298794 Electrical anticorrosion device for marine propulsion device 1994-03-29
5203730 Tilting system for outboard drive unit 1993-04-20
5000707 Tilting device for marine propulsion unit Hideki Saitoh 1991-03-19
4934969 Tilt mechanisms for inboard/outboard engines 1990-06-19
4850911 Power transmission device for inboard/outboard system Ryoji Nakahama 1989-07-25
4767365 Shifting device for inboard-outboard drive Ryoji Nakahama 1988-08-30
4726799 Outboard motor Norimichi Harada, Ryoji Nakahama 1988-02-23
4615683 Outboard motor Norimichi Harada, Ryoji Nakahama 1986-10-07