HT

Hiroyuki Tsunekawa

TO Toyota: 13 patents #2,130 of 26,838Top 8%
SI Sanshin Industries: 5 patents #80 of 319Top 30%
Yamaha Motor: 3 patents #603 of 2,310Top 30%
YM Yamaha Marine: 2 patents #49 of 137Top 40%
📍 Seto, JP: #20 of 328 inventorsTop 7%
Overall (All Time): #181,768 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11799102 Fuel cell system and control method of the same Masashi Toida, Yusuke Nishida, Masahiro Ito 2023-10-24
11721818 Fuel cell system and method of controlling fuel cell system Ryouichi Namba, Toshiyuki Sanada, Yoshihiro Ikogi, Masahiro Ito 2023-08-08
11695136 Fuel cell system and control method for fuel cell system Ryouichi Namba, Masahiro Ito, Koro Fujio 2023-07-04
11670786 Fuel cell system and control method for fuel cell system Ryouichi Namba, Asuka Takasaki 2023-06-06
11652225 Fuel cell system and control method for fuel cell system Ryouichi Namba, Junichi Matsuo 2023-05-16
11621431 Fuel Cell System Masahiro Ito, Masashi Toida, Tsuyoshi Maruo 2023-04-04
11476477 Fuel cell system, control method of fuel cell system, and storage medium Ryouichi Namba 2022-10-18
11437636 Fuel cell system Shuhei Nakamura, Tsuyoshi Maruo, Osamu Hamanoi 2022-09-06
11424463 Fuel cell system and control method thereof Ryouichi Namba, Masahiro Ito, Tomotaka Ishikawa 2022-08-23
11322760 Fuel cell system and method for controlling fuel cell system Masashi Toida, Tsuyoshi Maruo 2022-05-03
11196066 Fuel cell system Seiichi Tanaka, Masashi Toida, Shun Matsumoto, Tsuyoshi Maruo 2021-12-07
10804551 Fuel cell system and remaining water purging control method Tomohiro Ogawa, Tsuyoshi Maruo, Shun Matsumoto 2020-10-13
10516179 Fuel cell system and method of controlling the same Tomohiro Ogawa, Tsuyoshi Maruo, Shun Matsumoto 2019-12-24
8419489 Propeller unit for marine vessel propulsion device and marine vessel propulsion device including the same Shunsuke Yukawa 2013-04-16
8087958 Boat propulsion system Kenji Yukishima 2012-01-03
7568470 Fuel system for outboard motor Hidemasa Kamito, Shintaro Kawaguchi 2009-08-04
6921307 Exhaust system for outboard motor Yukinori Kashima 2005-07-26
6588388 Air induction system for engine Hitoshi Watanabe 2003-07-08
6409557 Exhaust arrangement for outboard motor Takahide Watanabe 2002-06-25
6406343 Tiller control for outboard motor Takaji Kawai 2002-06-18
5797777 Outboard motor control Kouji Abe 1998-08-25
5545064 Control for outboard motor Kouji Abe 1996-08-13
5309882 Operational control system for engine Akihiko Hoshiba, Masaki Okazaki 1994-05-10