Inventor · disambiguated record
Issei Nitta
Also filed as: NITTA ISSEI
16 granted patents·85 citations·filing 1979–1990
91Inventor score
Files withMITSUBISHI CHEM IND16
Top patents by PatentIndex Score
16 records- 0188US4695568AThieno[2,3-d]pyrimidine derivatives and salts thereofMITSUBISHI CHEM IND·Filed 1984·Granted Sep 22, 1987·33 cites·18 claims
- 0279US4613598APiperazine derivatives and their acid addition saltsMITSUBISHI CHEM IND·Filed 1985·Granted Sep 23, 1986·15 cites·9 claims
- 0377US4985430A9-acylamino-tetrahydroacridine derivatives and memory enhancing agent containing said derivative as active ingredientMITSUBISHI CHEM IND·Filed 1988·Granted Jan 15, 1991·13 cites·10 claims
- 0462US4213902AProcess for producing steroidal 7α-acylthio-4-en-3-onesMITSUBISHI CHEM IND·Filed 1979·Granted Jul 22, 1980·7 cites·12 claims
- 0545US4734500AO-aminoalkylene (or aminoalkyleneoxy) phenylsulfone compounds having anti-ulcer effectMITSUBISHI CHEM IND·Filed 1986·Granted Mar 29, 1988·2 cites·4 claims
- 0643US4311646AProcess for the preparation of 4,6-dien-3-one steroidsMITSUBISHI CHEM IND·Filed 1980·Granted Jan 19, 1982·5 cites·8 claims
- 0741US4880819A4-aminopyridine derivatives for improving impaired brain functionMITSUBISHI CHEM IND·Filed 1988·Granted Nov 14, 1989·2 cites·2 claims
- 0840US4977151AEthanone oximes and pharmaceutical compositions thereofMITSUBISHI CHEM IND·Filed 1990·Granted Dec 11, 1990·3 cites·2 claims
- 0939US4716161APhenylpiperazine derivatives and their acid addition saltsMITSUBISHI CHEM IND·Filed 1985·Granted Dec 29, 1987·1 cites·16 claims
- 1037US4933344AEthanone oximes and pharmaceutical compositions thereofMITSUBISHI CHEM IND·Filed 1988·Granted Jun 12, 1990·1 cites·2 claims
- 1134US4602009ACorticoid derivatives and process for production thereofMITSUBISHI CHEM IND·Filed 1984·Granted Jul 22, 1986·2 cites·14 claims
- 1233US4814507AArylsulfone compounds as anti-ulcer agentsMITSUBISHI CHEM IND·Filed 1987·Granted Mar 21, 1989·0 cites·2 claims
- 1332US4440689AAcyloxysteroids and process for producing sameMITSUBISHI CHEM IND·Filed 1982·Granted Apr 3, 1984·1 cites·10 claims
- 1431US4883802A4-piperidinecarboxamide derivativesMITSUBISHI CHEM IND·Filed 1988·Granted Nov 28, 1989·0 cites·3 claims
- 1528US4585591A17β-ethynylsteroids and process for preparing sameMITSUBISHI CHEM IND·Filed 1981·Granted Apr 29, 1986·0 cites·4 claims
- 1627US4585766A6-oxygenated corticoid 17α-carbonates and process for production thereofMITSUBISHI CHEM IND·Filed 1984·Granted Apr 29, 1986·0 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →