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

Isamu Aoki — 35 Patents

HCHitachi Construction Machinery Co.: 21 patents #43 of 1,234Top 4%
KCKcm: 11 patents #2 of 84Top 3%
SESeiko Epson: 2 patents #4,555 of 7,774Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
JTJapan Science And Technology: 1 patents #225 of 836Top 30%
Tsukuba, JP: #59 of 2,818 inventorsTop 3%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
Isamu Aoki has been granted 35 US patents while listed as an inventor at Hitachi Construction Machinery Co.. The first was granted in 2004 and the most recent in July 2025. Isamu Aoki ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list Isamu Aoki in Tsukuba, JP.

Patents per Year

Patents granted per year, 2004 to 2025Bar chart with a peak of 7 patents in 2022.peak 72004: 1 patents20042010: 2 patents2012: 1 patents20122014: 1 patents2015: 1 patents20152016: 6 patents2017: 4 patents20172018: 1 patents2019: 2 patents20192020: 4 patents2021: 3 patents20212022: 7 patents2023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
12359402 Work vehicle Takuya Shimomura, Masaki Yoshikawa, Tetsuji Tanaka, Kazuyuki Ito, Kouji Shimazaki +1 more 2025-07-15
11572674 Working vehicle Tetsuji Tanaka, Koji Hyodo, Yasunori Miyamoto 2023-02-07
11505921 Wheel loader Koji Hyodo, Tetsuji Tanaka, Koji Shimazaki, Hironao Suzuki 2022-11-22
11401695 Work machine Koji Hyodo, Masaki Yoshikawa, Kazuyuki Ito, Tetsuji Tanaka, Kouji Shimazaki 2022-08-02
11391017 Wheel loader Koji Hyodo, Tetsuji Tanaka, Masaki Nukii 2022-07-19
11371213 Wheel loader Koji Hyodo, Tetsuji Tanaka, Kouji Shimazaki, Jumpei Kamiya 2022-06-28
11293169 Wheel loader and bucket load calculation method Tomohiro Ueda, Masaki Yoshikawa, Takashi Ishii, Takayoshi Murahashi, Masakazu Kaitou +1 more 2022-04-05
11274745 Wheel loader Koji Hyodo, Masashi Yamashita, Tetsuji Tanaka, Katsutaka Hara, Masaki Nukii 2022-03-15
11242672 Wheel loader Koji Hyodo, Tetsuji Tanaka, Koji Shimazaki, Hironao Suzuki 2022-02-08
11180901 Work vehicle Koji Hyodo, Tetsuji Tanaka, Kouji Shimazaki 2021-11-23
10947701 Working vehicle Koji Hyodo, Tetsuji Tanaka, Masaki Nukii, Yuki AHIKO 2021-03-16
10895062 Loading vehicle Koji Hyodo, Yuki AHIKO, Tetsuji Tanaka, Masaki Nukii, Masashi Yamashita 2021-01-19
10801183 Wheel loader Kazuya Takeda, Kazuo Ishida 2020-10-13
10773590 Work vehicle Masaki Nukii, Koji Hyodo, Tetsuji Tanaka 2020-09-15
10767342 Work vehicle Koji Hyodo, Tetsuji Tanaka, Koji Shimazaki 2020-09-08
10704223 Work vehicle Koji Hyodo, Tetsuji Tanaka, Keigo Kikuchi 2020-07-07
10358794 Work vehicle Tetsuji Tanaka, Yasunori Miyamoto, Koji Hyodo, Katsuyuki Kirita, Hiroaki Yada +2 more 2019-07-23
D854055 Armrest for a working vehicle Kazuhiko Hiraoka, Tomoyuki Miyata, Wataru Isaka, Satoshi Kan, Koji Hyodo +3 more 2019-07-16
10071629 Prime mover control device of work vehicle Koji Hyodo, Tetsuji Tanaka, Masaki Nukii 2018-09-11
9810164 Prime mover control device for work vehicle Koji Hyodo, Tetsuji Tanaka, Kentaro Oomae 2017-11-07
9683349 Work vehicle Keigo Kikuchi, Tetsuji Tanaka, Kentaro Oomae 2017-06-20
9644547 Engine control device for work vehicle Koji Hyodo, Masaki Yoshikawa, Tetsuji Tanaka 2017-05-09
9617716 Work vehicle Koji Hyodo, Atsushi Shimazu, Masashi Yamashita, Tetsuji Tanaka, Shoroku Kawahara 2017-04-11
9523315 Engine control device for work vehicle Koji Hyodo, Tetsuji Tanaka, Keigo Kikuchi 2016-12-20
9511759 Clutch control device for work vehicle Koji Hyodo, Tetsuji Tanaka, Keigo Kikuchi 2016-12-06