Inventor · disambiguated record

Hachiro Hirai

Also filed as: HIRAI HACHIRO

1 granted patent·9 citations·filing 1981–1981

32Inventor score

Technology areasA24D

Files withJAPAN TOBACCO & SALT PUBLIC1

Top patents by PatentIndex Score

1 record

0131US4407863AProcess for producing granule coated with tannic acid metal chelate compoundJAPAN TOBACCO & SALT PUBLIC·Filed 1981·Granted Oct 4, 1983·9 cites·9 claims

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Hachiro Hirai — Patent Inventor | PatentIndex