Inventor · disambiguated record
Masao Kawamura
Also filed as: KANAZAWA TADASHI · KAWAMURA MASAO
18 granted patents·2 pending applications·81 citations·filing 1974–2004
93Inventor score
Top patents by PatentIndex Score
20 records- 0176US7220762B1Methods for stabilizing benzimidazole compoundsEISAI R&D MAN CO LTD·Filed 2000·Granted May 22, 2007·9 cites·2 claims
- 0274US4569909AProcess for preparing uridine diphosphate-N-acetylgalactosamineSEITETSU KAGAKU CO LTD·Filed 1983·Granted Feb 11, 1986·16 cites·6 claims
- 0374US4054499AProcess for producing 2-chloropyridineSEITETSU KAGAKU CO LTD·Filed 1976·Granted Oct 18, 1977·11 cites·7 claims
- 0462US2005042285A1Stabilized composition comprising a benzimidazole type compoundEISAI CO LTD·Filed 2004·Application pending·0 cites
- 0561US4124646AProcess for producing thioanisoleSEITETSU KAGAKU CO LTD·Filed 1976·Granted Nov 7, 1978·8 cites·6 claims
- 0659US4273941AProcess for producing p-hydroxybenzaldehydeSEITETSU KAGAKU CO LTD·Filed 1979·Granted Jun 16, 1981·4 cites·12 claims
- 0758US4740578AProcess for producing polythiobisphenols and process for producing mercaptophenols by the hydrogenolysis of the sameSEITETSU KAGAKU CO LTD·Filed 1986·Granted Apr 26, 1988·6 cites·55 claims
- 0856US4849138AMethod of producing alkali metal benzenesulfinatesSEITETSU KAGAKU CO LTD·Filed 1987·Granted Jul 18, 1989·5 cites·33 claims
- 0952US4792612AThiophene derivatives and methods for producing the sameSEITETSU KAGAKU CO LTD·Filed 1988·Granted Dec 20, 1988·3 cites·2 claims
- 1052US4195041AProcess for producing p-hydroxybenzaldehydeSEITETSU KAGAKU CO LTD·Filed 1978·Granted Mar 25, 1980·3 cites·13 claims
- 1148US3969205AProcess for producing 2-chloropyridineSEITETSU KAGAKU CO LTD·Filed 1974·Granted Jul 13, 1976·3 cites·15 claims
- 1243US5101049ANovel thiophene derivatives and methods for producing the sameSEITETSU KAGAKU CO LTD·Filed 1990·Granted Mar 31, 1992·2 cites·10 claims
- 1343US4835317A4-tert.-butyl-1,2-benzenedithiol, complex compounds derived therefrom, and a method of producing the sameSEITETSU KAGAKU CO LTD·Filed 1988·Granted May 30, 1989·2 cites·1 claims
- 1437US5102858AHeat-sensitive recording materials containing high purity bis(4-hydroxyphenyl)sulfidesSEITETSU KAGAKU CO LTD·Filed 1989·Granted Apr 7, 1992·1 cites·2 claims
- 1537US4604349AProcess for preparing uridine diphosphate-N-acetylgalactosamineSEITETSU KAGAKU CO LTD·Filed 1985·Granted Aug 5, 1986·3 cites·2 claims
- 1634US4943655ASalt of 5-acetyl-2-alkylbenzenesulfonic acidSEITETSU KAGAKU CO LTD·Filed 1989·Granted Jul 24, 1990·0 cites·2 claims
- 1733US4853158AProcess for preparing N,N-dialkylaniline salt of 5-acetyl-2-alkylbenzene sulfonic acidSEITETSU KAGAKU CO LTD·Filed 1988·Granted Aug 1, 1989·0 cites·8 claims
- 1831US4722917AAnti-I sorbentSEITETSU KAGAKU CO LTD·Filed 1985·Granted Feb 2, 1988·5 cites·16 claims
- 1930US2002039597A1Stabilized compositions containing benzimidazole-type compoundsFiled 1999·Application pending·0 cites
- 2026US5175372AProcess of producing high purity bis(4-hydroxyphenyl)sulfides and heat-sensitive recording materials containing the sameSEITETSU KAGAKU CO LTD·Filed 1991·Granted Dec 29, 1992·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →