TK

Tsugunori Konakawa

Yamaha Motor: 22 patents #27 of 2,310Top 2%
YC Yamaha Motor Co.: 1 patents #6 of 83Top 8%
📍 Iwata, JP: #40 of 782 inventorsTop 6%
Overall (All Time): #185,579 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8359836 Internal combustion engine, vehicle, marine vessel, and secondary air supply method for internal combustion engine Yusuke Takahashi 2013-01-29
8336517 Outboard motor Yusuke Takahashi 2012-12-25
8336303 Multi-cylinder internal combustion engine, vehicle, marine vessel, and exhausting method for multi-cylinder internal combustion engine Yusuke Takahashi 2012-12-25
8317556 Boat propulsion system, and control device and control method therefor Takayoshi Suzuki, Hideaki Matsushita, Daisuke Nakamura 2012-11-27
8316639 Internal combustion engine, vehicle, marine vessel, and exhaust gas cleaning method for internal combustion engine Yusuke Takahashi 2012-11-27
8312713 Internal combustion engine, vehicle, marine vessel, and exhausting method for internal combustion engine Yusuke Takahashi 2012-11-20
8142247 Exhaust device for outboard motor engine and outboard motor Yusuke Takahashi 2012-03-27
8128442 Outboard motor including drive shaft vibration damper Yusuke Takahashi 2012-03-06
8118630 Outboard motor Yusuke Takahashi 2012-02-21
8113893 Exhaust device for outboard motor multi-cylinder engine Yusuke Takahashi 2012-02-14
8062084 Outboard motor Yusuke Takahashi 2011-11-22
8038489 Boat propulsion system, and control device and control method for the same Takayoshi Suzuki, Hideaki Matsushita, Daisuke Nakamura 2011-10-18
7942712 Boat propulsion system, and control device and control method therefor Takayoshi Suzuki, Hideaki Matsushita, Daisuke Nakamura 2011-05-17
7930883 Exhaust device of six-cylinder engine Yoshihiko Atsumi 2011-04-26
7892052 Boat propulsion system, control device thereof, and control method Takayoshi Suzuki, Hideaki Matsushita, Daisuke Nakamura 2011-02-22
7856812 Exhaust device of eight-cylinder engine Yoshihiko Atsumi 2010-12-28
7856813 Exhaust system for eight-cylinder engine Yoshihiko Atsumi 2010-12-28
7640921 Fuel supply apparatus and vehicle provided with the same Mitsutoshi Koide, Hiroaki Ito, Takahiro Ozawa 2010-01-05
7637242 Fuel supply system and vehicle Mitsutosi Koide, Kazuya Nishizawa 2009-12-29
7624718 Engine control system, vehicle having the same, method for calculating combustion center of gravity, and method for controlling engine 2009-12-01
7556548 Exhaust device for outboard motor Yoshihiko Atsumi 2009-07-07
5823150 Induction system for two cycle engine 1998-10-20
5367998 Fuel injection system for an engine Masakazu Shiohara 1994-11-29