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

Junya Ikeda — 4 Patents

SCSumitomo Pharma Co.: 2 patents #25 of 141Top 20%
DCDainippon Sumitomo Pharma Co.: 1 patents #107 of 256Top 45%
SCSumitomo Dainippon Pharma Co.: 1 patents #104 of 206Top 55%
Overall (All Time): #1,120,520 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12180213 Substituted pyrazoles showing serotonin 5-HT receptor activity Hidefumi Yoshinaga, Yohei Ikuma, Satoshi ADACHI, Harunobu MITSUNUMA, Yoshinori AIHARA +2 more 2024-12-31
11466007 Substituted lactams showing serotonin 5-HT receptor activity Hidefumi Yoshinaga, Yohei Ikuma, Satoshi ADACHI, Harunobu MITSUNUMA, Yoshinori AIHARA +2 more 2022-10-11
10745401 Condensed lactam derivative Hidefumi Yoshinaga, Yohei Ikuma, Satoshi ADACHI, Harunobu MITSUNUMA, Yoshinori AIHARA +2 more 2020-08-18
8389511 Bicyclic heterocyclic derivative Hiroyuki Nakahira, Yohei Ikuma, Nobuhisa Fukuda, Kozo Yoshida, Hidenori Kimura +4 more 2013-03-05