KU

Kenji Umayahara

TO Toyota: 3 patents #426 of 3,957Top 15%
Overall (2020): #81,667 of 565,922Top 15%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10868316 Fuel cell system and method of controlling the same Tomohiro Ogawa, Tomotaka Ishikawa, Tomio YAMANAKA, Ryoichi Nanba 2020-12-15
10818945 Voltage control system, fuel cell system, and control method for voltage control system Yutaka Tano, Takahiro UMEHARA, Tomoya Ogawa 2020-10-27
10644334 Fuel cell system Ryo Kajiura 2020-05-05