FM

Fumihiko Maetani

AB Ablic: 9 patents #11 of 167Top 7%
SS Sii Semiconductor: 7 patents #7 of 108Top 7%
SI Seiko Instruments: 6 patents #265 of 1,437Top 20%
Overall (All Time): #190,897 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12424859 Charge control circuit, charge control device, and battery device Hiroshi Saito 2025-09-23
11275399 Reference voltage circuit including depletion type and enhancement type transistors in a common centroid arrangement Masakazu Sugiura 2022-03-15
11245279 Charge-discharge control circuit, charge-discharge control device, and battery device Satoshi Abe 2022-02-08
11043826 Charge/discharge control circuit and battery device including the same 2021-06-22
10965135 Charge/discharge control circuit and battery device Hiroshi Saito, Akihiko Suzuki, Takahiro KURATOMI 2021-03-30
10826308 Charge/discharge control device and battery apparatus 2020-11-03
10727681 Charge/discharge control circuit and battery device 2020-07-28
10663996 Constant current circuit Takashi Matsuda 2020-05-26
9985447 Battery device 2018-05-29
9941717 Battery device 2018-04-10
9748789 Charging/discharging control circuit, charging/discharging control device, and battery device Toshiyuki Koike 2017-08-29
9673656 Charge and discharge control circuit and battery device Takashi Ono, Toshiyuki Koike, Satoshi Abe 2017-06-06
9647469 Charge and discharge control circuit, charge and discharge control unit, and battery device Atsushi Sakurai 2017-05-09
9647465 Charge and discharge control circuit and battery device Takashi Ono, Toshiyuki Koike, Satoshi Abe 2017-05-09
9525296 Battery state monitoring circuit and battery device Takashi Ono, Toshiyuki Koike 2016-12-20
9425789 Reference voltage circuit and electronic device Toshiyuki Koike 2016-08-23
9065281 Charge/discharge control circuit and battery device Atsushi Sakurai, Toshiyuki Koike, Kazuaki Sano 2015-06-23
9007026 Charge/discharge control circuit and battery device Atsushi Sakurai, Toshiyuki Koike, Kazuaki Sano 2015-04-14
8957638 Battery control circuit responsive to external signal input Kazuaki Sano, Toshiyuki Koike, Takashi Ono 2015-02-17
8710902 Trimming circuit and semiconductor device Atsushi Sakurai, Kazuaki Sano, Satoshi Abe 2014-04-29
8618774 Charge and discharge battery control circuit 2013-12-31
8384355 Battery state monitoring circuit and battery device Toshiyuki Koike, Atsushi Sakurai, Kazuaki Sano, Wataru Sakamoto, Shohei Tsukamoto 2013-02-26