TK

Toshio Kawashima

TL Tokyo Tanabe Company Limited: 3 patents #5 of 81Top 7%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #1,050,270 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5882706 Food and drink and additive therefor 1999-03-16
5840741 Arteriosclerosis depressant Hisao Tomioka, Hidefumi Ohsawa, Masao Moroi 1998-11-24
5038071 Heater for indirectly-heated cathode Sachio Koizumi, Terutoshi Ichihara 1991-08-06
4816459 Tetrazolyl-substituted pyrido[1,2-a]pyrimidines and use as SRS-A antagonists Naoto Matsuishi, Yoshio Nakagawa, Michiaki Amano, Norihiko Kakehi, Shigeki Omura 1989-03-28
4798832 Pyrido[1,2-a]pyrimidine compounds, corresponding intermediates and use as SRS-A antagonists Naoto Matsuishi, Yoshio Nakagawa, Michiaki Amano, Norihiko Kakehi, Shigeki Omura 1989-01-17