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

Tomohiro Date — 9 Patents

Rohm Co.: 9 patents #331 of 2,292Top 15%
Kyoto, JP: #2,272 of 11,909 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Tomohiro Date has been granted 9 US patents while listed as an inventor at Rohm Co.. The first was granted in 2014 and the most recent in June 2025. Tomohiro Date ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Tomohiro Date in Kyoto, JP.

Patents per Year

Patents granted per year, 2014 to 2025Bar chart with a peak of 2 patents in 2025.peak 22014: 1 patents20142015: 1 patents20152018: 1 patents20182019: 1 patents20192022: 1 patents20222023: 1 patents20232024: 1 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12328108 Piezoelectric element, method of manufacturing the same, surface acoustic wave element, and piezoelectric thin film resonance element Noriyuki Shimoji, Norikazu Ito 2025-06-10
12302047 Transducer and electronic device Takashi Naiki, Noriyuki Shimoji 2025-05-13
12015898 Transducer and driving method thereof, and system Takashi Naiki, Noriyuki Shimoji 2024-06-18 $843,000
11744155 Piezoelectric element Koji Nomura, Nobufumi Matsuo 2023-08-29 $531,000
11289642 Piezoelectric element Koji Nomura, Nobufumi Matsuo 2022-03-29 $681,000
10522734 Device using a piezoelectric element and method for manufacturing the same Yoshikazu Fujimori 2019-12-31
10032977 Device using a piezoelectric element and method for manufacturing the same Yoshikazu Fujimori 2018-07-24
9171850 Ferroelectric capacitor Yoshikazu Fujimori, Hiroaki Ito 2015-10-27
8779486 Ferroelectric capacitor Yoshikazu Fujimori, Hiroaki Ito 2014-07-15