Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HT

Hirotaka Tanako

SCSumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Kasai, JP: #3,639 of 5,842 inventorsTop 65%
Overall (All Time): #3,903,524 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4927827 Pyridinylpyrimidine derivatives, method for production thereof and a fungicide containing them as the active ingredient Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanemitsu +2 more 1990-05-22