Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Kojun Oshiro — 4 Patents

KAKao: 3 patents #1,053 of 3,221Top 35%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
CLCentral Glass Company, Limited: 1 patents #505 of 968Top 55%
Wakayama, JP: #382 of 1,298 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Kojun Oshiro has been granted 4 US patents while listed as an inventor at Kao. The first was granted in 2014 and the most recent in April 2024. Kojun Oshiro ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Kojun Oshiro in Wakayama, JP.

Patents per Year

Patents granted per year, 2014 to 2024Bar chart with a peak of 1 patents in 2014.peak 12014: 1 patents20142018: 1 patents20182019: 1 patents20192024: 1 patents2024

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11945932 Plasticizer for halogen resins Munehisa Okutsu 2024-04-02
10294347 Plasticizer for halogen-based resin Masaaki Tsuchihashi 2019-05-21
9908368 Rubber composition and tire using same Makiko YONEMOTO, Tetsuo Takano, Motoi Konishi 2018-03-06
8729320 Method for producing difluorocyclopropane compound Hideki Amii, Yoshimichi Morimoto, Makoto Matsuura 2014-05-20

Frequent Collaborators

Makiko YONEMOTO1 shared
Hideki Amii1 shared
Tetsuo Takano1 shared
Motoi Konishi1 shared
Munehisa Okutsu1 shared
Yoshimichi Morimoto1 shared

Nearby-Ranked Inventors

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