MK

Masayuki Konishi

EC Eisai Chemical Co.: 3 patents #4 of 16Top 25%
Mitsubishi Electric: 1 patents #405 of 1,581Top 30%
Overall (1997): #6,930 of 185,788Top 4%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5686635 Tetrahydro-alkenyl-methanonaphthalene-5,8-dione derivatives Kimio Hamamura, Tetsuo Iwama, Chiaki Seki 1997-11-11
5677471 Process for the preparation of quinone derivative Kimio Hamamura, Tetsuo Iwama, Chiaki Seki 1997-10-14
5608092 1,4,4.sub.a 5,8,9.sub.a -hexahydro-1.alpha.,4.alpha.-methanoan-thraquinone derivative(s) Kimio Hamamura, Chiaki Seki 1997-03-04
5602493 Bias circuit for an input terminal Mitsuo Kusakabe 1997-02-11