MH

Masahiko Hirokawa

Tdk: 9 patents #675 of 3,796Top 20%
TD Tdk-Lambda: 3 patents #6 of 36Top 20%
Overall (All Time): #551,355 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11611283 Switching power supply unit and electric power supply system Xiaofeng Wu, Naoyuki ISHIBASHI 2023-03-21
11539299 Switching power supply unit and electric power supply system Naoyuki ISHIBASHI, Xiaofeng Wu 2022-12-27
8604797 Method for determining cell number, cell number determination device, power supply device and program Tadao Senriuchi, Takumi Sakamoto, Hiroshi Nakazawa, Noriyuki Hirao 2013-12-10
8461807 Battery protection circuit, method for protecting battery, power supply device and program Tadao Senriuchi, Takumi Sakamoto, Hiroshi Nakazawa, Noriyuki Hirao 2013-06-11
8369056 Power supply control device, method for controlling power supply, program and power supply device Tadao Senriuchi, Takumi Sakamoto, Hiroshi Nakazawa, Noriyuki Hirao 2013-02-05
6717390 Switching power supply Hiroshi Miyazaki, Ken Matsuura 2004-04-06
6683798 Switching power supply with transfer function control circuit Ken Matsuura, Hiroshi Miyazaki 2004-01-27
6567285 Switching power supply unit Hisanori Cho, Yasuhiro Murai 2003-05-20
6532160 Switching power supply Yasuhiro Murai, Tomomi Yamada 2003-03-11