TK

Toshihito Kumagai

TC Taisho Pharmaceutical Co.: 5 patents #3 of 40Top 8%
NC Nihon Nohyaku Co.: 2 patents #8 of 46Top 20%
Overall (2002): #7,275 of 266,432Top 3%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6500958 Carboxylic acid derivatives and process for producing the same Atsuro Nakazato, Kazunari Sakagami, Kazuyuki Tomisawa 2002-12-31
6479674 Carboxylic acid derivatives and process for producing same Atsuro Nakazato, Kazunari Sakagami, Kazuyuki Tomisawa 2002-11-12
6407121 Arylpiperidine derivatives and use thereof Masashi Nagamine, Makoto Gotoh, Masanori Yoshida, Atsuro Nakazato, Shigeyuki Chaki +1 more 2002-06-18
6392086 Intermediates and process for producing fluorine-containing amino acid compound by using the same Atsuro Nakazato, Kazunari Sakagami, Kazuyuki Tomisawa, Hisanako Ito, Takeo Taguchi 2002-05-21
6380384 1,2-dihydro-2-oxoquinoline derivatives Atsuro Nakazato, Taketoshi Okubo, Shigeyuki Chaki, Kazuyuki Tomisawa, Masashi Nagamine +2 more 2002-04-30