GK

Goichi Katayama

YM Yamaha Marine: 27 patents #2 of 137Top 2%
SI Sanshin Industries: 20 patents #19 of 319Top 6%
Honda Motor Co.: 14 patents #1,210 of 21,052Top 6%
Overall (All Time): #38,179 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
6884131 Shift mechanism for marine propulsion unit Masanori Takahashi 2005-04-26
6877467 Four-cycle engine 2005-04-12
6860246 Valve timing control for marine engine 2005-03-01
6857405 Valve timing control for marine engine 2005-02-22
6840038 Exhaust system for outboard motor Katsumi Ochiai, Masanori Takahashi 2005-01-11
6830029 Fuel supply device for outboard motor 2004-12-14
6800002 Valve timing control for marine engine Yoshibumi Iwata 2004-10-05
6755163 Control device for four cycle engine of outboard motor Yoshibumi Iwata 2004-06-29
6752108 Four-cycle engine for marine drive 2004-06-22
6752114 Four-cycle engine for outboard motor Katsumi Ochiai, Masanori Takahashi 2004-06-22
6748911 Valve timing control for marine engine 2004-06-15
6736100 Compact tuned air induction system for engine 2004-05-18
6708659 Four cycle engine for marine drive 2004-03-23
6691673 Fuel supply device for outboard motor 2004-02-17
6675756 Air induction system for engine 2004-01-13
6640790 Fuel supply for engine Sadato Yoshida, Masanori Takahashi 2003-11-04
6637396 Air induction system for multi-cylinder engine 2003-10-28
6557533 Fuel vapor emission system Masashi Nonaka, Masaki Okazaki 2003-05-06
6536409 Throttle valve control mechanism for engine Masanori Takahashi 2003-03-25
6513463 Cooling system for outboard motor 2003-02-04
6502559 Fuel vapor emission system Masashi Nonaka, Masaki Okazaki 2003-01-07
6481411 Idle speed control for fuel injection outboard motor 2002-11-19
6443117 Four stroke engine Masanori Takahashi 2002-09-03
6439938 Cowling arrangement for outboard motor 2002-08-27
6415773 Fuel supply for engine Sadato Yoshida, Masanori Takahashi 2002-07-09