Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HF

Hiroki Funato — 41 Patents

Hitachi: 27 patents #1,105 of 28,497Top 4%
HAHitachi Astemo: 7 patents #64 of 1,276Top 6%
HSHitachi Automotive Systems: 7 patents #226 of 1,636Top 15%
Overall (All Time): #75,001 of 4,157,543Top 2%
41 Patents All Time
Hiroki Funato has been granted 41 US patents while listed as an inventor at Hitachi. The first was granted in 2008 and the most recent in March 2025. Hiroki Funato ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list Hiroki Funato in Tokyo, MI, JP.

Patents per Year

Patents granted per year, 2008 to 2025Bar chart with a peak of 6 patents in 2018.peak 62008: 1 patents20082009: 4 patents2010: 2 patents20102011: 5 patents2012: 1 patents20122013: 1 patents2015: 2 patents20152016: 4 patents2017: 2 patents20172018: 6 patents2019: 1 patents20192020: 1 patents2021: 2 patents20212022: 4 patents2023: 1 patents20232024: 3 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12245384 Signal transmission circuit and electronic control device Yuki Nakamura, Masahiro TOYAMA, Isao Hoda, Umberto Paoletti, Hideyuki Sakamoto +1 more 2025-03-04
12088211 Power conversion device Isao Houda, Yuta Numakura, Yoichiro Furuta 2024-09-10
12058822 Electronic control device Yuki Nakamura, Masahiro TOYAMA, Hideyuki Sakamoto, Shinya Kawakita 2024-08-06
11881791 Electromagnetic shielding power conversion device Taesung Kim 2024-01-23
11798749 Power converter including filter circuit device to improve a noise suppression function Yutaka Okubo, Hiroyuki Yamai, Taesung Kim 2023-10-24
11456675 Filter device and power converter Yusaku Katsube, Isao Hoda, Aya Ohmae, Fusanori Nishikimi, Yutaka Okubo 2022-09-27
11348735 High voltage filter and power conversion device Isao Houda, Aya Ohmae, Yusaku Katsube, Ayumu Hatanaka 2022-05-31
11303223 Detector and power conversion apparatus Isao Hoda, Jia Li, Ryuji Kurihara 2022-04-12
11257616 Power conversion device and high-voltage noise filter Masaki Noda, Isao Hoda, Hitoshi Taniguchi 2022-02-22
10979014 Voltage filter and power conversion device Hitoshi Taniguchi 2021-04-13
10952311 Electronic control device, vehicle, and method for manufacturing electronic control device Masahiro TOYAMA, Yutaka Uematsu, Hideki Osaka, Mitsuhiro Masuda 2021-03-16
10666132 Electromagnetic interference suppression for vehicle inverter Jia Li, Isao Hoda 2020-05-26
10404159 Electrical circuit device Jia Li, Keisuke Fukumasu, Yuji Sobu 2019-09-03
10160334 Power conversion device and machine equipped with power conversion device Isao Houda, Masayoshi Takahashi, Hitoshi Akiyama 2018-12-25
10103619 Electric power conversion device Keisuke Fukumasu, Yuji Sobu 2018-10-16
10099704 Electromagnetic noise analyzing apparatus, controlling apparatus and controlling method Aya Ohmae, Keisuke Fukumasu 2018-10-16
10003274 Power conversion device Masayoshi Takahashi, Keisuke Fukumasu, Yuki Fujita, Takeshi Kato 2018-06-19
9991815 Power conversion apparatus Masayoshi Takahashi 2018-06-05
9973289 Signal line noise resistance evaluating method and its device Hitoshi Taniguchi, Isao Hoda 2018-05-15
9805147 Electromagnetic noise analysis method and device Takashi Suga, Yoshiyuki Tsuchie, Satoshi Nakamura 2017-10-31
9618480 Method and apparatus for inspecting weld quality Isao Hoda, Hua Zeng, Masayoshi Takahashi 2017-04-11
9500689 Noise equivalent circuit Makoto Torigoe, Takashi Suga, Hideki Osaka, Yoshiyuki Tsuchie, Keisuke Fukumasu +1 more 2016-11-22
9345150 Electrical converter Keisuke Fukumasu, Makoto Torigoe, Kenichiro Nakajima, Masayoshi Takahashi 2016-05-17
9329207 Surface current probe Takashi Suga 2016-05-03
9285411 Method and system for identifying an electrical noise propagation path Yoshiyuki Tsuchie, Hua Zeng, Masayoshi Takahashi 2016-03-15