Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tsuneyuki Ejima — 10 Patents

Panasonic: 7 patents #3,858 of 21,108Top 20%
JOJoled: 2 patents #188 of 392Top 50%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Osaka, JP: #4,434 of 24,344 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Tsuneyuki Ejima has been granted 10 US patents while listed as an inventor at Panasonic. The first was granted in 2006 and the most recent in January 2023. Tsuneyuki Ejima ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Tsuneyuki Ejima in Osaka, JP.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11549187 Electrochemical hydrogen pump Kunihiro Ukai, Norihiko Kawabata 2023-01-10
11283099 Battery pack 2022-03-22
10249856 Assembled battery Yukio Nishikawa, Tomomi Tanaka, Satoshi Higashida 2019-04-02
9819047 Assembled battery 2017-11-14
9680138 Battery pack 2017-06-13
9240435 Organic EL display Hidehiro Yoshida, Kenji Okumoto, Shuhei Nakatani 2016-01-19
9231031 Organic EL display Hidehiro Yoshida, Kenji Okumoto, Shuhei Nakatani 2016-01-05
8835032 Battery module Hiroshi Takasaki, Naoto Hosotani, Yasuhiro Asaida, Takuya Nakashima 2014-09-16
7898715 Optical element and method of manufacturing the same Takayuki Hirose 2011-03-01 $76,000
7090502 Board connecting component and three-dimensional connecting structure using thereof Masahiro Ono, Shigeru Kondou, Kazuhiro Nishikawa, Kazuto Nishida, Hiroyuki Inoue +2 more 2006-08-15 $403,000