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

RYOSUKE KIKUCHI — 10 Patents

Panasonic: 8 patents #3,332 of 21,108Top 20%
SYSysmex: 1 patents #499 of 868Top 60%
Toyota: 1 patents #15,486 of 26,838Top 60%
Osaka, JP: #4,434 of 24,344 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
RYOSUKE KIKUCHI has been granted 10 US patents while listed as an inventor at Panasonic. The first was granted in 2017 and the most recent in September 2025. RYOSUKE KIKUCHI ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list RYOSUKE KIKUCHI in Osaka, JP.

Patents per Year

Patents granted per year, 2017 to 2025Bar chart with a peak of 2 patents in 2019.peak 22017: 1 patents20172018: 1 patents20182019: 2 patents20192020: 1 patents20202022: 1 patents20222023: 2 patents20232024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12431289 Dielectric, capacitor, electrical circuit, circuit board, and apparatus Hisanori MASHIKO 2025-09-30
11935971 Solar cell TOMOYASU YOKOYAMA, Yu Nishitani 2024-03-19
11651859 Method for predicting severity and prognosis of cardiovascular disease Kazuhiro Harada, Yohei Shibata, Hideki Ishii, Toyoaki Murohara 2023-05-16
11626258 Solar cell Taisuke Matsui, TOMOYASU YOKOYAMA, Fumiyasu Oba, Yu Kumagai 2023-04-11
11417784 Multi-junction light energy conversion element, device comprising the same, and fabrication method of SnZn2N2 Koki Ueno, Toru Nakamura, TAKAHIRO KURABUCHI, Yasushi Kaneko, Kazuhito Hato +2 more 2022-08-16
10629764 Light energy conversion element and device comprising the same Toru Nakamura, TAKAHIRO KURABUCHI, Kazuhito Hato, Fumiyasu Oba, Yu Kumagai 2020-04-21
10481169 Diagnostic method and biomarker for lifestyle disease Koji Uchida, Takahiro Shibata, Kenji Ishikawa, Oi Lun Helena Li, Tadashi Matsushita +1 more 2019-11-19 $325,000
10411144 Semiconductor electrode, device comprising the same, and a method for fabricating the same HIDEAKI MURASE 2019-09-10
9926633 Method for generating hydrogen by water splitting, and photoelectrochemical cell and semiconductor electrode used therefor Takaiki Nomura, Kazuhito Hato, Satoru Tamura, TAKAHIRO KURABUCHI 2018-03-27
9644276 Semiconductor photoelectrode, photoelectrochemical cell, hydrogen generation method, and energy system Satoru Tamura, Kazuhito Hato, Takaiki Nomura, Takahiro Suzuki, Yoshihiro Kozawa 2017-05-09