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 1–50 of 69 inventors

RankNamePatents
1 Makoto Okada 9
2 Hiroyuki Hayashi 6
2 Shuichiro Sato 6
2 Youichi Nakano 6
2 Akira Asagarasu 6
#6 Atsushi Shinbo 5
#6 Hashime Kanazawa 5
#6 Hideo Kobayashi 5
#6 Kotaro Gotanda 5
#6 Koichi Miyazaki 5
#6 Takayoshi Nakagawa 5
#12 Kouki Ishitani 4
#12 Shigeki Iwashita 4
#12 Takashi Nose 4
#12 Tomoji Aotsuka 4
#16 Jun Sato 3
#16 Kazuo Hashi 3
#16 Kenji Kawade 3
#16 Kentarou Kumazawa 3
#16 Kenji Shimizu 3
#16 Koichi Hasumi 3
#16 Koichi Minato 3
#16 Osamu Honmou 3
#16 Teiji Uede 3
#25 Hajime Asada 2
#25 Hajime Asano 2
#25 Hiroyuki Suzuki 2
#25 Hiroshi Uchida 2
#25 Hiroya Yajima 2
#25 Jun-ya Kato 2
#25 Kazuhiro Sasaki 2
#25 Kazuhiko Shirota 2
#25 Mami Okada 2
#25 Satoru Tamaoki 2
#25 Shuji Ohta 2
#25 Takahiro Nishimoto 2
#25 Takahisa Saito 2
#25 Teruaki Matsui 2
#25 Tomoya Fujisawa 2
#25 Yasuhiro Matsumoto 2
#41 Chisato Ogawa 1
#41 Hajime Nawata 1
#41 Hiroki Hamura 1
#41 Hiroshige Kataoka 1
#41 Junichi Sakata 1
#41 Katsuichi Sudo 1
#41 Kazushi Yoshida 1
#41 Masaru Okamoto 1
#41 Michitaka Sato 1
#41 Miwa Yoshida 1