Inventor · disambiguated record
Yoji Akazawa
Also filed as: AKAZAWA YOJI
5 granted patents·224 citations·filing 1980–1995
85Inventor score
Top patents by PatentIndex Score
5 records- 0196US5322960AMethod for inhibiting polymerization of (meth) acrylic acid and esters thereofNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Jun 21, 1994·89 cites·7 claims
- 0291US5504243AMethod for inhibiting polymerization of (meth) acrylic acid and esters thereofNIPPON CATALYTIC CHEM IND·Filed 1995·Granted Apr 2, 1996·47 cites·2 claims
- 0391US5315037AProcess for purification of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 1993·Granted May 24, 1994·38 cites·24 claims
- 0482US4356112ACatalyst for production of phthalic anhydrideNIPPON SHUKUBAI KAGAKU KOGYO C·Filed 1980·Granted Oct 26, 1982·22 cites·5 claims
- 0570US4665200AMethod for preparing pyromellitic acid and/or pyromellitic anhydrideNIPPON CATALYTIC CHEM IND·Filed 1986·Granted May 12, 1987·28 cites·14 claims
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