Inventor · disambiguated record

Tadayoshi Koyama

Also filed as: KOYAMA TADAYOSHI

2 granted patents·17 citations·filing 1988–1990

55Inventor score

Technology areasA61P C07D

Files withSNOW BRAND MILK PRODUCTS CO LTD2

Top patents by PatentIndex Score

2 records

0169US5116985AIsoquinoline derivatives and salts thereofSNOW BRAND MILK PRODUCTS CO LTD·Filed 1990·Granted May 26, 1992·16 cites·20 claims
0232US4927959AAlprenolol derivativesSNOW BRAND MILK PRODUCTS CO LTD·Filed 1988·Granted May 22, 1990·1 cites·5 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →

Tadayoshi Koyama — Patent Inventor | PatentIndex