SH

Shunji Hamaoka

YC Yanmar Holdings Co.: 9 patents #25 of 636Top 4%
YC Yanmar Power Technology Co.: 2 patents #50 of 202Top 25%
Overall (All Time): #452,337 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10895188 Exhaust gas purifier Ryota KOBAYASHI, Tsuyoshi Inoue, Tetsuya Yokoyama, Yoshinori Fukui, Seita Akimoto +2 more 2021-01-19
10843782 Ship Tetsuya Yokoyama 2020-11-24
10605144 Exhaust gas purification device for ship Ryota KOBAYASHI, Tsuyoshi Inoue, Tetsuya Yokoyama, Yasuyuki Takahata 2020-03-31
10443469 Exhaust gas purification system and ship having the same Tetsuya Yokoyama, Tsuyoshi Inoue, Yasuyuki Takahata 2019-10-15
10253681 Engine device Fumihiro Nishimura, Tetsuya Yokoyama 2019-04-09
10227914 Engine device Toshiaki Nakagawa, Takehiro Noda, Yuuya Hanada 2019-03-12
10047664 Engine Fumihiro Nishiura, Takehiro Noda, Fumiya Kotou, Yuuya Hanada 2018-08-14
10006389 Engine with supercharger Yoshinori Fukui, Fumihiro Nishiura, Toshihisa Kanda 2018-06-26
9976465 Exhaust purifier Yoshinori Fukui, Toshihisa Kanda, Yasuyuki Takahata 2018-05-22
7472678 Combustion chamber shape of direct injection type diesel engine Keiichi Tsujimoto 2009-01-06
6553960 Combustion system for direct injection diesel engines Sigeru Yoshikawa, Seita Akimoto 2003-04-29