HO

Hiroki Oso

Kubota: 17 patents #73 of 2,059Top 4%
Overall (All Time): #262,403 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12366221 Fuel injection system Akira Tamura, Naotaro Nagai, Shingo Matsunobu, Masanari TENNOMI 2025-07-22
12221936 Diesel engine, diesel engine manufacturing method, and diesel engine injection-amount correction system Yasushi Kobayashi, Kiichi Suehiro, Yuki Tagashira, Koji Nakakita 2025-02-11
12085010 Electronic fuel injection type diesel engine Yuki Tagashira, Akira Tamura, Rina KANEKO, Kiichi Suehiro 2024-09-10
11781501 Engine head structure Akira Tamura, Kensuke Fujita, Yasushi Kobayashi, Shingo Matsunobu, Mitsugu Okuda 2023-10-10
11378001 Electronic fuel injection type diesel engine Hideyuki Koyama, Mitsugu Okuda, Yuji Shinohara, Mitsuru Kamiyama 2022-07-05
11371414 Exhaust system for engine Nobuyoshi Okada, Hideyuki Koyama, Yoshinori Tanaka, Kenji Okamoto 2022-06-28
11261780 Engine equipped with supercharger Nobuyoshi Okada, Shingo Matsunobu, Yoshinori Tanaka, Ayako Sakurai 2022-03-01
10982576 Engine that includes blow-by-gas returning system Akira Tanaka, Hideyuki Koyama, Rina KANEKO, Nobuyoshi Okada 2021-04-20
10815911 Engine stopping device Akira Tanaka, Yoshinori Tanaka, Hideyuki Koyama, Takahiro Yamazaki, Nobuyoshi Okada 2020-10-27
10669903 Oil cooling structure of engine Hideyuki Koyama, Hideyuki Goto, Takahiro Yamazaki, Kentaro Nagai, Takashi Yamaguchi +1 more 2020-06-02
10641200 Cooling structure of water-cooled engine Takahiro Yamazaki, Hideyuki Koyama, Rina KANEKO, Yoshinori Tanaka, Takashi Yamaguchi +1 more 2020-05-05
10415443 Engine Kentaro Nagai, Takahiro Yamazaki, Takahito Hamasaki, Hideyuki Goto, Hideyuki Koyama +2 more 2019-09-17
10323675 Device with adjustment bolt Naoya Sakurai, Takumi Fukuda, Mitsugu Okuda, Wataru Iwanaga, Yusuke Suzuki +1 more 2019-06-18
10161353 Piston for engine Hideyuki Koyama, Takahiro Yamazaki, Kentaro Nagai, Rina KANEKO 2018-12-25
10132215 Engine lubricating device Kentaro Nagai, Hideyuki Goto, Takahiro Yamazaki 2018-11-20
10018147 Piston for engine Hideyuki Koyama, Manabu Miyazaki, Hideyuki Goto, Takahito Hamasaki, Takahiro Yamazaki 2018-07-10
8534239 Multi-cylinder diesel engine Osamu Yoshii, Akihiko Kai, Yuuji Takemura, Tamotsu Kuno, Kentarou Kita +2 more 2013-09-17