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

Yasumasa Dekishima — 6 Patents

APApi: 4 patents #11 of 76Top 15%
MCMitsubishi Chemical: 1 patents #1,786 of 3,022Top 60%
Yokohama, JP: #14,853 of 49,234 inventorsTop 35%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Yasumasa Dekishima has been granted 6 US patents while listed as an inventor at Api. The first was granted in 2010 and the most recent in November 2025. Yasumasa Dekishima ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Yasumasa Dekishima in Yokohama, JP.

Patents per Year

Patents granted per year, 2010 to 2024Bar chart with a peak of 1 patents in 2010.peak 12010: 1 patents20102015: 1 patents20152018: 1 patents20182019: 1 patents20192024: 1 patents2024

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12473578 Carbonyl reductase, nucleic acid encoding same, and method for producing optically active compound using same Taichi Iura, Takahiko Sakamoto, Mariko Hara, Hirotoshi Hiraoka, Harald Groger +1 more 2025-11-18
12091390 Rosuvastatin calcium and process for producing intermediate thereof Naoyuki Watanabe, Tomoko Maeda, Hiroshi Kawabata, Masaki NAGAHAMA 2024-09-17
10377722 Rosuvastatin calcium and process for producing intermediate thereof Naoyuki Watanabe, Tomoko Maeda, Hiroshi Kawabata, Masaki NAGAHAMA, Kosuke ITO 2019-08-13
10087473 Method for manufacturing cis-5-hydroxy-L-pipecolic acid Ryoma Miyake 2018-10-02
9061991 Method for producing 1-amino-1-alkoxycarbonyl-2-vinylcyclopropane Yuuki Asuma, Tatsuya Suzuki, Jun Takehara, Tsugihiko Hidaka, Kuniko Asada +2 more 2015-06-23
7659409 3-Hydroxy-3-(2-thienyl) propionamides and production method thereof, and production method of 3-amino-1-(2-thienyl)-1-propanols using the same Jun Takehara, Jingping QU, Kazuaki Kanno, Hiroshi Kawabata, Makoto Ueda +6 more 2010-02-09 $799,000