TH

Takahiko Hasegawa

TO Toyota: 31 patents #512 of 26,838Top 2%
Yamaha Motor: 4 patents #461 of 2,310Top 20%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
FL Flambeau: 2 patents #10 of 21Top 50%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #77,326 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
12203603 Hydrogen gas supply system, point management system, and service management system Shunji Inoue, Kenji Tsubosaka, Kimihiko Teshima, Takanori Kito 2025-01-21
11518275 Fuel cell vehicle Takashi Harayama, Ayano ASAI, Koji Terashima, Shigeaki Murata, Tomio YAMANAKA +1 more 2022-12-06
11293592 Hydrogen gas supply system, point management system, and service management system Shunji Inoue, Kenji Tsubosaka, Kimihiko Teshima, Takanori Kito 2022-04-05
11285842 Fuel cell vehicle Shunji Inoue, Kenji Tsubosaka, Kimihiko Teshima, Takanori Kito 2022-03-29
10991961 Fuel cell system and oxide layer removal method Satoshi Shiokawa, Kohei Oda, Satoshi Watanabe, Shuhei Nakamura, Norihiro FUKAYA 2021-04-27
10644335 Fuel cell system 2020-05-05
10586992 Fuel cell system 2020-03-10
10218019 Method of determining hydrogen deficiency and device for determining hydrogen deficiency 2019-02-26
9561723 Remaining fuel level displaying method for fuel cell system and fuel cell equipped vehicle Ryosuke OYA, Nobuo Watanabe 2017-02-07
9450261 Fuel cell system with regulation of DC/DC converter passing power Kota Manabe 2016-09-20
9203314 Converter controlling apparatus and multiphase converter Hiroyuki Imanishi, Kota Manabe, Nobuyuki Kitamura 2015-12-01
9079112 Reversible spacer for a rotatable performance device Stuart Brown 2015-07-14
9029030 Fuel cell system including soft switching boost converter Hiroyuki Imanishi, Kota Manabe, Nobuyuki Kitamura, Atsuo Kawamura, Yukinori Tsuruta 2015-05-12
9024598 Converter control device Nobuyuki Kitamura, Kota Manabe, Takahiro UMEHARA 2015-05-05
8970186 DC-DC converter with an auxiliary circuit for performing soft-switching Kota Manabe, Tomohiko Kaneko, Khalid Hassan Hussein, Shinji Hatae 2015-03-03
8968049 Spacer for an adjustable width rotatable performance device 2015-03-03
8952702 Fuel cell system Nobuyuki Kitamura 2015-02-10
8906567 Fuel cell system Nobuyuki Kitamura, Kota Manabe 2014-12-09
8896282 Converter controller Nobuyuki Kitamura, Kota Manabe 2014-11-25
8884627 Apparatus for detecting short-circuit of output diode in converter Toshihiko Minamii 2014-11-11
8828568 Fuel cell system Toshihiko Minamii 2014-09-09
8790838 Voltage conversion control of a fuel cell system Kota Manabe 2014-07-29
8773874 Power supply system and plurality parallel resonant converters having current blocking circuit Toshihiko Minamii 2014-07-08
8765312 Converter controlling apparatus Yasuhiro Osada 2014-07-01
8728678 Frequency control of DC/DC converter in a fuel cell system Kota Manabe 2014-05-20