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USPTO Patent Rankings Data through Dec 31, 2025
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Tomohiro Itoh — 37 Patents

Denso: 27 patents #220 of 11,792Top 2%
Nec: 5 patents #2,841 of 14,502Top 20%
KUKinki University: 2 patents #12 of 141Top 9%
Toyota: 1 patents #15,486 of 26,838Top 60%
MUMie University: 1 patents #68 of 161Top 45%
AKAisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Shimabara, JP: #38 of 395 inventorsTop 10%
Overall (All Time): #88,321 of 4,157,543Top 3%
37 Patents All Time
Tomohiro Itoh has been granted 37 US patents while listed as an inventor at Denso. The first was granted in 1988 and the most recent in December 2025. Tomohiro Itoh ranks #88,321 of 4,157,543 US inventors in our database (top 2.1%). Patent records list Tomohiro Itoh in Shimabara, JP.

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12497427 Compound derived from watermelon, and composition using same Toshiharu HASHIZUME, Mamoru Koketsu, Masayuki Ninomiya 2025-12-16
12338198 Cancer cell growth inhibiting composition and processed food Toshiharu HASHIZUME, Takashi KITAYAMA, Gengo KASHIWAZAKI, Satoru Hirabayashi, Yoshimi UTAKA +1 more 2025-06-24
12163493 Malfunction diagnosis device for leakage diagnosis device Keiichirou Ishihara, Taiki Yasuzaka, Yasuo Kato 2024-12-10
12018679 Vane pump Keiichirou Ishihara, Yasuo Kato, Masahiro Satou 2024-06-25
11674477 Leak hole determination device of evaporated fuel processing device Keiichirou Ishihara, Yasuo Katoh 2023-06-13
11493402 Pressure sensor for evaporated fuel leak detector Ryoyuu Kishi, Yasuo Katoh 2022-11-08
11480492 Pressure sensor for evaporated fuel leak detector Ryoyuu Kishi, Yasuo Katoh 2022-10-25
11435259 Pressure sensor for evaporated fuel leak detector Ryoyuu Kishi, Yasuo Katoh 2022-09-06
11428222 Vane pump Keiichirou Ishihara, Yasuo Katoh 2022-08-30
11428601 Pressure sensor for evaporated fuel leak detector Ryoyuu Kishi, Yasuo Katoh 2022-08-30
11136943 Evaporative fuel processing system Keiichirou Ishihara, Yasuo Kato 2021-10-05
10941719 Evaporative fuel treating apparatus Keita Fukui, Makoto Yamazaki, Makoto Takano, Yoshikazu Miyabe 2021-03-09 $1,409,000
10844810 Leakage detecting device for vaporized fuel Taiki Yasuzaka 2020-11-24
10801917 Fuel vapor processing device Keiichirou Ishihara, Yuichiro Miura, Ryoyu Kishi 2020-10-13
10758583 Processed food and pharmaceutical composition having watermelon sprout-derived substances as main ingredients Toshiharu HASHIZUME 2020-09-01
10473062 Fuel vapor processing device Keiichirou Ishihara 2019-11-12
10464483 On-vehicle image processing device — 2019-11-05
10422303 Vane pump and fuel vapor leakage detection device using the same Ryoyu Kishi, Shigeru Hasegawa, Kosei Takagi 2019-09-24
10221811 Vaporized fuel processing apparatus Ryoyu Kishi 2019-03-05
10156208 Inspection apparatus and inspection method Ryoyuu Kishi, Yasuo Kato, Shigeru Hasegawa, Makoto Kaneko, Kosei Takagi 2018-12-18
9683524 Fuel vapor leakage detection device and method for controlling the same Kosei Takagi, Shigeru Hasegawa 2017-06-20
9638145 Fuel-vapor leakage detector Shigeru Hasegawa, Kosei Takagi, Ryoyu Kishi 2017-05-02
9567946 Assembling unit, pump and fuel-vapor-leakage check system Shigeru Hasegawa, Kosei Takagi, Ryoyu Kishi 2017-02-14
9239033 Fuel vapor treatment system Shigeru Hasegawa, Kosei Takagi, Makoto Kaneko 2016-01-19
9097216 Fuel vapor purge device Kosei Takagi, Shigeru Hasegawa 2015-08-04

Nearby-Ranked Inventors

Burkhard Böckem37
Isao Kuwayama37
Yong Sun37
Silviu Itescu37
Yair Reisner37
Brad Taylor37
Martin Wolters37
Craig R. Ramstad37
Shinpei Watanabe37