RN

Ryohhei Nakao

VJ Vehicle Energy Japan: 18 patents #2 of 73Top 3%
HS Hitachi Automotive Systems: 2 patents #689 of 1,636Top 45%
Overall (All Time): #214,979 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12424673 Battery control apparatus and battery system Keiichiro Ohkawa 2025-09-23
12283667 Battery management apparatus, battery management method, and battery energy storage system Fanny MATTHEY, Hiroshi Morikawa 2025-04-22
12149114 Battery control apparatus Keiichiro Ohkawa, Yasuo Arishima, Hironori Sasaki 2024-11-19
12117499 Battery management apparatus, battery management method, and battery energy storage system Fanny MATTHEY, Keiichiro Ohkawa, Yosuke Wada 2024-10-15
11899070 Battery control device Hiroshi Morikawa, Masashi Naitoh, Masafumi Shiwa, Fanny MATTHEY 2024-02-13
11532841 Storage battery control device Shin Yamauchi, Kei Sakabe, Masahiro Yonemoto, Takanori Yamazoe, Keiichiro Ohkawa 2022-12-20
11515579 Cell control device, power system Kei Sakabe, Keiichiro Ohkawa, Masahiro Yonemoto 2022-11-29
11374425 Battery energy storage system, battery management system, and control method for controlling battery temperature Fanny MATTHEY, Shin Yamauchi, Kei Sakabe, Daiki Komatsu, Keiichiro Ohkawa 2022-06-28
11346890 Secondary battery control device Masanari Oda, Shuichi Suzuki, Shigeki Makino, Takenori Ishizu 2022-05-31
11247581 Battery control device Kei Sakabe, Keiichiro Ohkawa, Takanori Yamazoe, Masahiro Yonemoto 2022-02-15
11226376 Storage battery control device Shin Yamauchi, Kei Sakabe, Masahiro Yonemoto, Takanori Yamazoe, Keiichiro Ohkawa 2022-01-18
11124072 Battery control device and electric motor vehicle system Keiichiro Ohkawa 2021-09-21
11084385 Battery control device, battery system, and vehicle Daiki Komatsu, Kei Sakabe, Masahiro Yonemoto, Shin Yamauchi, Keiichiro Ohkawa 2021-08-10
10955479 Battery control device Keiichiro Ohkawa 2021-03-23
10879570 Storage battery control device Shin Yamauchi, Kei Sakabe, Masahiro Yonemoto, Takanori Yamazoe, Keiichiro Ohkawa 2020-12-29
10818983 Battery management device and system, and hybrid vehicle control system for utilizing battery performance while maintaining battery life Masahiro Yonemoto, Kei Sakabe, Takanori Yamazoe, Shin Yamauchi, Keiichiro Ohkawa 2020-10-27
10807494 Battery management system, battery system and hybrid vehicle control system Masahiro Yonemoto, Kei Sakabe, Keiichiro Ohkawa, Daiki Komatsu 2020-10-20
10680453 Battery control device Kei Sakabe, Keiichiro Ohkawa, Takanori Yamazoe, Masahiro Yonemoto 2020-06-09
10589732 Battery control device and vehicle system Keiichiro Ohkawa 2020-03-17
10266063 Battery controller and vehicle system Keiichiro Ohkawa 2019-04-23