TY

Tetsuo Yamafuji

TC Toyama Chemical Co.: 10 patents #17 of 270Top 7%
📍 Toyama, JP: #251 of 1,699 inventorsTop 15%
Overall (All Time): #473,186 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6153613 2,3-diketopiperazine derivatives or their salts Satoshi Ono, Hirohiko Yamamoto, Hiroyuki Egawa, Yousuke Furuta, Hidetoshi Kaga 2000-11-28
5877174 2,3-diketopiperazine derivatives or their salts Satoshi Ono, Hirohiko Yamamoto, Hiroyuki Egawa, Yousuke Furuta, Hidetoshi Kaga 1999-03-02
5872117 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same Satoshi Ono, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo, Hirokazu Narita 1999-02-16
5719150 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same Satoshi Ono, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo, Hirokazu Narita 1998-02-17
5658904 1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the same Satoshi Ono, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo, Hirokazu Narita 1997-08-19
5612381 1,2-ethanediol derivative and salt thereof process for producing the same, and cerebral function-improving agent comprising the same Satoshi Ono, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo, Hirokazu Narita 1997-03-18
5472984 1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the same Satoshi Ono, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo, Hirokazu Narita 1995-12-05
5380878 Benzo[b]thiophen-5-yl derivative and process for producing the same Joji Nakano, Nobuhisa Taya, Hisaaki Chaki, Kaishu Momonoi 1995-01-10
5280032 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same Satoshi Ono, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo, Hirokazu Narita 1994-01-18
4851535 Nicotinic acid derivatives Yozo Todo, Katsuyuki Nagumo, Isao Kitayama, Hideyoshi Nagaki, Mikako Miyajima +4 more 1989-07-25
4704459 Process for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivatives, and processes for producing the intermediates Yozo Todo, Katsuyuki Nagumo, Isao Kitayama, Hideyoshi Nagaki, Mikako Miyajima +4 more 1987-11-03