AI

Atsushi Isogawa

SI Sanshin Industries: 25 patents #10 of 319Top 4%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
YC Yamaha Motor Co.: 1 patents #6 of 83Top 8%
Overall (All Time): #140,174 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
6623319 Cowling and ventilation system for outboard motor 2003-09-23
6550448 Engine throttle valve linkage Yukinori Kashima 2003-04-22
RE37848 Exhaust cleaning system for marine propulsion engine Masayoshi Nanami, Masahiro Honda 2002-09-17
6358105 Cowling arrangement for outboard motor Hitoshi Ishida 2002-03-19
RE36888 Exhaust gas purifying device for an outboard motor Masafumi Sougawa 2000-10-03
6093066 Control for outboard motor Takaji Kawai 2000-07-25
6080025 Cowling latch for outboard motor Takaji Kawai 2000-06-27
6019083 Throttle and sensor arrangement for engine 2000-02-01
5941205 Intake system for a four-cycle engine powering an outboard motor Noriyoshi Hiraoka, Masanori Takahashi 1999-08-24
5938491 Cowling air inlet for outboard motor Takaji Kawai 1999-08-17
5893783 Outboard motor exhaust system Noriyoshi Hiraoka, Masanori Takahashi 1999-04-13
5865655 Accessory drive for outboard motor Noriyoshi Hiraoka, Masanori Takahashi 1999-02-02
5778848 Four-cycle outboard motor lubricating system Masanori Takahashi 1998-07-14
5769036 Oil filter arrangement for four-cycle engine Masanori Takahashi, Hitoshi Watanabe 1998-06-23
5735614 Outboard motor 1998-04-07
5704819 Oil pan arrangement for four-cycle outboard motor 1998-01-06
5575699 Outboard motor exhaust system Manabu Nakayama 1996-11-19
5554057 Exhaust treatment for outboard motor Kohji Abe, Akihiro Onoue 1996-09-10
5494467 Exhaust system for outboard motor Masafumi Sohgawa, Hiroaki Fujimoto 1996-02-27
5433634 Exhaust treatment for outboard motor Manabu Nakayama 1995-07-18
5378180 Exhaust system for outboard motor Manabu Nakayama, Kouji Abe, Masafumi Sohgawa 1995-01-03
5366401 Exhaust cleaning system for marine propulsion engine Masayoshi Nanami, Honda Masahiro 1994-11-22
5346417 Exhaust gas cleaning device for outboard motor 1994-09-13
5280708 Exhaust gas purifying device for an outboard motor Masafumi Sougawa 1994-01-25
5174112 Exhaust gas purifying device for an outboard motor Masafumi Sougawa 1992-12-29