Inventor · disambiguated record
Noritaka Hamma
Also filed as: HAMMA NORITAKA
8 granted patents·70 citations·filing 1971–1990
86Inventor score
Top patents by PatentIndex Score
8 records- 0187US3995059APharmaceutical compositions containing fatty acid amide derivativesSUMITOMO CHEMICAL CO·Filed 1971·Granted Nov 30, 1976·22 cites·2 claims
- 0273US4008265ANovel bisphenoxy carboxylic acid derivatives and their saltsSUMITOMO CHEMICAL CO·Filed 1974·Granted Feb 15, 1977·8 cites·5 claims
- 0366US4082913APhenoxyalicyclic carboxylic acid derivativesSUMITOMO CHEMICAL CO·Filed 1973·Granted Apr 4, 1978·6 cites·1 claims
- 0458US4853378AFluorine derivatives of vitamin D3 and process for producing the sameSUMITOMO PHARMA CO LTD·Filed 1987·Granted Aug 1, 1989·11 cites·23 claims
- 0555US4043991APreparation of peptides and cephalosporinsSUMITOMO CHEMICAL CO·Filed 1975·Granted Aug 23, 1977·10 cites·18 claims
- 0644US3970694ACycloalkyl phenoxy carboxylic acid derivativesSUMITOMO CHEMICAL CO·Filed 1974·Granted Jul 20, 1976·7 cites·5 claims
- 0743US4092324ADiheterocyclic esters of 4-(1,1-bis-(phenoxy-propionic or -butoyric acid)-cyclohexane)α-methyl substitutedSUMITOMO CHEMICAL CO·Filed 1976·Granted May 30, 1978·1 cites·4 claims
- 0841US5030626AFluorine derivatives of vitamin D3 and process for producing the sameSUMITOMO PHARMA·Filed 1990·Granted Jul 9, 1991·5 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →