Assignee
SUGAI CHEMICAL IND CO LTD
JP·9 granted patents·2 pending applications·85 citations·filing 1976–2023
Top patents by PatentIndex Score
11 records- 0189US4973695AProcess for preparing pyridine-2,3-dicarboxylic acid compoundsSUGAI CHEMICAL IND CO LTD·Filed 1989·Granted Nov 27, 1990·49 cites·9 claims
- 0276US7282597B2Ascorbic acid derivatives and skin-whitening cosmeticsSUGAI CHEMICAL IND CO LTD·Filed 2005·Granted Oct 16, 2007·2 cites·4 claims
- 0370US4060559AProcess for preparing O-phenylphenolSUGAI CHEMICAL IND CO LTD·Filed 1976·Granted Nov 29, 1977·9 cites·7 claims
- 0455US4670581ABiphenyl compounds and process for producing the sameSUGAI CHEMICAL IND CO LTD·Filed 1984·Granted Jun 2, 1987·8 cites·21 claims
- 0555US2024217926A11,6-naphthalenedithiol product and process for producing the sameSUGAI CHEMICAL IND CO LTD·Filed 2023·Application pending·0 cites
- 0650US5252739AProcess for preparing pyridine-2,3-dicarboxylic acid compoundsSUGAI CHEMICAL IND CO LTD·Filed 1992·Granted Oct 12, 1993·4 cites·6 claims
- 0749US5175300AProcess for preparing pyridine-2,3-dicarboxylic acid compoundsSUGAI CHEMICAL IND CO LTD·Filed 1989·Granted Dec 29, 1992·3 cites·8 claims
- 0849US4324742AProcess for separation of naphthalenedisulfonic acidsSUGAI CHEMICAL IND CO LTD·Filed 1980·Granted Apr 13, 1982·6 cites·10 claims
- 0948US2024383845A1Naphthalenedithiol and derivative thereof, and production process and use for the sameSUGAI CHEMICAL IND CO LTD·Filed 2022·Application pending·0 cites
- 1041US4382896AProcess for producing 4,4'-diphenyldisulfonic acid and its monopotassium saltSUGAI CHEMICAL IND CO LTD·Filed 1982·Granted May 10, 1983·2 cites·13 claims
- 1135US4465878AProcess for producing 4',4-dihydroxydiphenylSUGAI CHEMICAL IND CO LTD·Filed 1982·Granted Aug 14, 1984·2 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →