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

Yohei Hirota — 25 Patents

Tdk: 12 patents #488 of 3,796Top 15%
SCSanyo Electric Co.: 9 patents #569 of 6,347Top 9%
FIFujifilm Business Innovation: 3 patents #2,684 of 5,238Top 55%
Tokyo, JP: #5,699 of 90,295 inventorsTop 7%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Yohei Hirota has been granted 25 US patents while listed as an inventor at Tdk. The first was granted in 2001 and the most recent in November 2025. Yohei Hirota ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Yohei Hirota in Tokyo, JP.

Patents per Year

Patents granted per year, 2001 to 2025Bar chart with a peak of 3 patents in 2001.peak 32001: 3 patents20012002: 3 patents2003: 2 patents20032006: 1 patents2014: 1 patents20142015: 2 patents2017: 2 patents20172018: 1 patents2019: 2 patents20192020: 2 patents2021: 2 patents20212022: 1 patents2023: 1 patents20232025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12467988 Magnetic sensor and camera module Harumitsu Miyashita, Tsuyoshi Umehara, Hiraku Hirabayashi 2025-11-11
12429534 Displacement detection apparatus, displacement detection system, park lock system, and pedal system Naoki Ohta 2025-09-30
11855035 Stack of electrical components and method of producing the same Hiroshi Yamazaki, Hitoshi Iwama, Yusuke Takahashi 2023-12-26
11519978 Magnetic sensor and camera module Hayato Miyashita, Tsuyoshi Umehara, Hiraku Hirabayashi 2022-12-06
11088106 Stack of electrical components and method of producing the same Hiroshi Yamazaki, Hitoshi Iwama, Yusuke Takahashi 2021-08-10
11009567 Magnetic sensor and camera module Hayato Miyashita, Tsuyoshi Umehara, Hiraku Hirabayashi 2021-05-18
10775195 Rotation angle sensing device Masaki Nagata, Hiraku Hirabayashi 2020-09-15
10648787 Rotating field sensor Homare Tokida, Hiraku Hirabayashi 2020-05-12
10401195 Magnet and displacement detection unit Hiraku Hirabayashi, Keisuke Uchida, Kazuya Watanabe 2019-09-03
10386169 Rotating field sensor Homare Tokida, Hiraku Hirabayashi 2019-08-20
10082406 Magnetic field detection apparatus and rotation detection apparatus Hiroshi Naganuma, Kunihiro Ueda 2018-09-25
9574905 Rotating field sensor and angle determination method using the same Hiraku Hirabayashi 2017-02-21
9557191 Rotating field sensor and angle determination method using the same 2017-01-31
9091984 Image forming apparatus and computer readable medium Masafumi Ono, Masayuki Isogai, Shinichi Kinoshita, Hidenobu Kanda, Keita Kumokiri +4 more 2015-07-28
9069303 Image processing apparatus, computer readable medium, and image processing method with dual heating modes Kenji Kuroishi, Sakae Okazaki, Masafumi Ono, Hidenobu Kanda, Hiroyuki Tanaka +3 more 2015-06-30
8755703 Image processing apparatus Shinichi Kinoshita, Masafumi Ono, Kenji Kuroishi, Kazuo Fukawa, Keita Kumokiri +3 more 2014-06-17
7078126 Method for production of hydrogen storage alloy for use in alkaline storage batteries Teruhiko Imoto, Masutaka Ouchi, Kikuko Kato, Nobuyuki Higashiyama, Mamoru Kimoto +2 more 2006-07-18 $0
6576367 Hydrogen storage alloy for use in alkaline storage batteries and method for production thereof Teruhiko Imoto, Masutaka Ouchi, Kikuko Kato, Nobuyuki Higashiyama, Mamoru Kimoto +2 more 2003-06-10 $2,000
6508891 Method of manufacturing hydrogen-absorbing alloy electrode Tadashi Ise, Tetsuyuki Murata, Teruhiko Imoto, Koji Miki 2003-01-21 $1,000
6482277 Method of manufacturing hydrogen-absorbing alloy electrode Teruhiko Imoto, Tadashi Ise, Takayuki Murakami 2002-11-19 $1,000
6395424 Hydrogen absorbing alloy for alkali storage battery, hydrogen absorbing alloy electrode for alkali storage battery, and alkali storage battery Takuya Hashimoto, Teruhiko Imoto, Kikuko Kato, Nobuyuki Higashiyama, Mamoru Kimoto +2 more 2002-05-28 $4,000
6342318 Hydrogen absorbing alloy electrode and process for producing same Nobuyuki Higashiyama, Teruhiko Imoto, Kikuko Kato, Mamoru Kimoto, Shin Fujitani +1 more 2002-01-29 $2,000
6329100 Hydrogen absorbing alloy electrode and process for producing same Teruhiko Imoto, Kikuko Kato, Nobuyuki Higashiyama, Mamoru Kimoto, Shin Fujitani +1 more 2001-12-11 $3,000
6270547 Hydrogen absorbing alloy electrode and process for fabricating same Teruhiko Imoto, Kikuko Kato, Nobuyuki Higashiyama, Mamoru Kimoto, Shin Fujitani +1 more 2001-08-07 $4,000
6242133 Hydrogen-absorbing alloy electrode for alkaline secondary battery and method of manufacture thereof Kikuko Kato, Masutaka Ouchi, Teruhiko Imoto, Nobuyuki Higashiyama, Mamoru Kimoto +2 more 2001-06-05 $4,000