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

Hirofumi Sasaki — 15 Patents

OCOtsuka Pharmaceutical Co.: 15 patents #33 of 1,273Top 3%
Tokushima, JP: #106 of 1,059 inventorsTop 15%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Hirofumi Sasaki has been granted 15 US patents while listed as an inventor at Otsuka Pharmaceutical Co.. The first was granted in 2007 and the most recent in March 2022. Hirofumi Sasaki ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Hirofumi Sasaki in Tokushima, JP.

Patents per Year

Patents granted per year, 2007 to 2022Bar chart with a peak of 2 patents in 2012.peak 22007: 1 patents20072008: 1 patents2010: 1 patents20102011: 1 patents2012: 2 patents20122013: 1 patents2014: 1 patents20142015: 2 patents2017: 1 patents20172018: 2 patents2020: 1 patents20202022: 1 patents2022

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11273168 Methods of treating anxiety by administering a substituted quinolone Nobuaki Ito, Kuninori Tai, Tomoichi Shinohara 2022-03-15
10603331 Method of treating disorders caused by reduced neurotransmission of serotonin, norephnephrine or dopamine Nobuaki Ito, Kuninori Tai, Tomoichi Shinohara 2020-03-31
10064879 Method for treating depression and/or depression status with substituted quinoxaline compounds Nobuaki Ito, Kuninori Tai, Tomoichi Shinohara 2018-09-04
10000450 N,N-substituted 3-aminopyrrolidine compounds useful as monoamines reuptake inhibitors Muneaki Kurimura, Shinichi Taira, Takahiro Tomoyasu, Nobuaki Ito, Kuninori Tai +16 more 2018-06-19
9611214 N,N-substituted 3-aminopyrrolidine compounds useful as monoamines reuptake inhibitors Muneaki Kurimura, Shinichi Taira, Takahiro Tomoyasu, Nobuaki Ito, Kuninori Tai +16 more 2017-04-04
9090572 Substituted quinoxalines compounds Nobuaki Ito, Kuninori Tai, Tomoichi Shinohara 2015-07-28
9051333 6,7-dihydroimidazo [2,1-b] [1,3]oxazine bactericides Yoshikazu Kawano, Yoshikazu Haraguchi, Yukitaka Uematsu, Hidetsugu Tsubouchi, Hiromi Yata +11 more 2015-06-09
8815871 N,N-substituted 3-aminopyrrolidine compounds useful as monoamines reuptake inhibitors Muneaki Kurimura, Shinichi Taira, Takahiro Tomoyasu, Nobuaki Ito, Kuninori Tai +16 more 2014-08-26
8420623 N, N-substituted 3-aminopyrrolidine compounds useful as monoamines reuptake inhibitors Muneaki Kurimura, Shinichi Taira, Takahiro Tomoyasu, Nobuaki Ito, Kuninori Tai +16 more 2013-04-16
8163753 2,3-dihydro-6-nitroimidazo (2,1-b) oxazole compounds for the treatment of tuberculosis Hidetsugu Tsubouchi, Motohiro Itotani, Yoshikazu Haraguchi, Shin Miyamura, Makoto Matsumoto +8 more 2012-04-24
8129544 1-substituted-4-nitroimidazole compound and method for preparing the same Fumitaka Goto, Noriaki Takemura, Tadaaki Otani, Takeshi Hasegawa, Hidetsugu Tsubouchi +4 more 2012-03-06
8084442 N,N-substituted 3-aminopyrrolidine compounds useful as monoamines reuptake inhibitors Muneaki Kurimura, Shinichi Taira, Takahiro Tomoyasu, Nobuaki Ito, Kuninori Tai +16 more 2011-12-27
7807843 1-substituted-4-nitroimidazole compound and method for preparing the same Fumitaka Goto, Noriaki Takemura, Tadaaki Otani, Takeshi Hasegawa, Hidetsugu Tsubouchi +4 more 2010-10-05
7368579 1-substituted-4-nitroimidazole compound and process for producing the same Fumitaka Goto, Noriaki Takemura, Tadaaki Otani, Takeshi Hasegawa, Hidetsugu Tsubouchi +4 more 2008-05-06
7262212 2,3-dihydro-6-nitroimidazo[2,1-b]oxazoles Hidetsugu Tsubouchi, Hideaki Kuroda, Motohiro Itotani, Takeshi Hasegawa, Yoshikazu Haraguchi +11 more 2007-08-28