Inventor · disambiguated record
Yasuhisa Kuriyama
Also filed as: KURIYAMA YASUHISA
11 granted patents·125 citations·filing 1973–1997
90Inventor score
Top patents by PatentIndex Score
11 records- 0175US4963232AProcess for producing a purified hydrazine hydrateMITSUBISHI GAS CHEMICAL CO·Filed 1989·Granted Oct 16, 1990·29 cites·14 claims
- 0273US4476314AProcess for producing olefin oxidesMITSUBISHI GAS CHEMICAL CO·Filed 1982·Granted Oct 9, 1984·10 cites·6 claims
- 0372US3965251AMethod of regenerating a degraded working solution for the production of hydrogen peroxideMITSUBISHI GAS CHEMICAL CO·Filed 1973·Granted Jun 22, 1976·20 cites·4 claims
- 0471US3953482AProcess for producing quinonesMITSUBISHI GAS CHEMICAL CO·Filed 1973·Granted Apr 27, 1976·9 cites·13 claims
- 0564US5783550AMold removal composition and mold bleaching methodJOHNSON & SON INC S C·Filed 1995·Granted Jul 21, 1998·14 cites·2 claims
- 0663US5986134AProcesses for producing ketazine and hydrazineMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Nov 16, 1999·9 cites·11 claims
- 0760US4561982AScale inhibitorMITSUBISHI GAS CHEMICAL CO·Filed 1983·Granted Dec 31, 1985·26 cites·5 claims
- 0840US4473708APreparation of ketozines using organoarsenic compoundsMITSUBISHI GAS CHEMICAL CO·Filed 1982·Granted Sep 25, 1984·2 cites·18 claims
- 0931US5744115APreparation process of hydrazine hydrateMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Apr 28, 1998·2 cites·19 claims
- 1029US6159391ABleaching agent compositionsJOHNSON & SON INC S C·Filed 1997·Granted Dec 12, 2000·2 cites·3 claims
- 1129US5929013ABleach productJOHNSON CO LTD·Filed 1996·Granted Jul 27, 1999·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →