Inventor · disambiguated record

Hisao Akiyama

Also filed as: AKIYAMA HISAO

2 granted patents·15 citations·filing 1974–1974

57Inventor score

Technology areasC07D

Files withSUMITOMO CHEMICAL CO2

Top patents by PatentIndex Score

2 records

0179US4014895AMethod for synthesis of optically active thiolactonesSUMITOMO CHEMICAL CO·Filed 1974·Granted Mar 29, 1977·11 cites·8 claims
0258US3931219AProcess for preparing hexahydrothieno[3,4-d]imidazole-2,4-dionesSUMITOMO CHEMICAL CO·Filed 1974·Granted Jan 6, 1976·4 cites·9 claims

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