HK

Hideyuki Koyama

Kubota: 2 patents #41 of 303Top 15%
Overall (2022): #154,915 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11378001 Electronic fuel injection type diesel engine Mitsugu Okuda, Yuji Shinohara, Mitsuru Kamiyama, Hiroki Oso 2022-07-05
11371414 Exhaust system for engine Hiroki Oso, Nobuyoshi Okada, Yoshinori Tanaka, Kenji Okamoto 2022-06-28