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USPTO Patent Rankings Data through Dec 31, 2025
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Ryo Kashimura — 4 Patents

Panasonic: 5 patents #5,184 of 21,108Top 25%
SCSanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Osaka, JP: #8,571 of 24,344 inventorsTop 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ryo Kashimura has been granted 4 US patents while listed as an inventor at Panasonic. The first was granted in 2010 and the most recent in September 2025. Ryo Kashimura ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ryo Kashimura in Osaka, JP.

Patents per Year

Patents granted per year, 2010 to 2025Bar chart with a peak of 2 patents in 2025.peak 22010: 1 patents20102024: 1 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12424688 Cylindrical battery Oose Okutani, Shinya Geshi 2025-09-23
12381297 Cylindrical non-aqueous electrolyte secondary cell Shota Koyama, Tomohiko Yokoyama, Satoru Mihara, Ryota Okimoto 2025-08-05
12040454 Cylindrical battery — 2024-07-16
7687188 Sealed cell having non-resealable safety valve Hironori Marubayashi, Takuma Morishita, Satoshi Yoshida 2010-03-30

Frequent Collaborators

Takuma Morishita1 shared
Ryota Okimoto1 shared
Hironori Marubayashi1 shared
Shota Koyama1 shared
Satoru Mihara1 shared
Shinya Geshi1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4