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

Aska Pharmaceutical Co.

Rank (All Time): #17,827 of 106,127Top 20%
69 inventors
36 Patents All Time

Top Inventors at Aska Pharmaceutical Co. All Time

Showing 51–69 of 69 inventors

RankNamePatents
#41 Naoyuki Koizumi 1
#41 Nagatoshi Wagatsuma 1
#41 Norihito Isomura 1
#41 Norimichi Okubo 1
#41 Nobuyuki Takahashi 1
#41 Norio Yamamoto 1
#41 Satoshi Maeda 1
#41 Sei-ichi Araki 1
#41 Seiji Tokumoto 1
#41 Shinpei NISHIMURA 1
#41 Shigehiro Takegawa 1
#41 Takeshi Ito 1
#41 Tomohito Fujii 1
#41 Toshihiko Yanase 1
#41 Yasunori Sato 1
#41 Yosuke Takenaka 1
#41 Yoshiko Yamamoto 1
#41 Yusuke Ito 1
#41 Yukinao Yamauchi 1