YH

Yoshiyuki Hirakawa

TC Tanabe Seiyaku Co.: 6 patents #44 of 389Top 15%
MP Merrell Dow Pharmaceuticals: 1 patents #139 of 237Top 60%
📍 Toyonaka, JP: #212 of 1,166 inventorsTop 20%
Overall (All Time): #763,955 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5725880 Pharmaceutical preparation controlled to release medicinal active ingredient at targeted site in intestinal tract Hiroyuki Yoshino, Eiji Fukui, Tami Hanamori 1998-03-10
5614220 Pharmaceutical preparation controlled to release medicinal active ingredient at targeted site in intestinal tract Hiroyuki Yoshino, Katsuji Uemura, Eiji Fukui, Tami Hanamori 1997-03-25
5395628 Controlled release succinic acid microcapsules coated with aqueous acrylics Kazuo Noda, Hiroyuki Yoshino, Shinji Narisawa 1995-03-07
5320853 Controlled release formulation for pharmaceutical compounds Kazuo Noda, Hiroyuki Yoshino, David D. MacLaren, Paul F. Skultety, John R. Lefler +1 more 1994-06-14
5254347 Controlled release pharmaceutical preparation and method for producing the same Masayoshi Samejima, Kazuo Noda, Hiroyuki Yoshino 1993-10-19
5068112 Controlled release pharmaceutical preparation and method for producing the same Masayoshi Samejima, Kazuo Noda, Hiroyuki Yoshino 1991-11-26
4966899 Antibacterial lyophilized preparation of aspoxicillin Keiichi Kohno, Hiroshi Miura, Toshiyuki Ueki, Seiichi Morikuni 1990-10-30