Assignee
HIRAI HIDEFUMI
JP·11 granted patents·302 citations·filing 1983–1992
Top patents by PatentIndex Score
11 records- 0192US4587114AMethod for separating carbon dioxide from mixed gasHIRAI HIDEFUMI·Filed 1983·Granted May 6, 1986·65 cites·6 claims
- 0285US5187209AColloidal metal dispersion, and a colloidal metal complexHIRAI HIDEFUMI·Filed 1991·Granted Feb 16, 1993·71 cites·6 claims
- 0376US4747855ASolid absorbent for unsaturated hydrocarbon and process for separation of unsaturated hydrocarbon from gas mixtureHIRAI HIDEFUMI·Filed 1987·Granted May 31, 1988·32 cites·7 claims
- 0470US6051614AMethod for preparing a non-aqueous dispersion of particles of a metal and/or a metal compoundHIRAI HIDEFUMI·Filed 1992·Granted Apr 18, 2000·43 cites·15 claims
- 0570US4525180AProcess for recovery of ethylene from gaseous mixtureHIRAI HIDEFUMI·Filed 1984·Granted Jun 25, 1985·9 cites·18 claims
- 0667US4864071AProcess for separation of unsaturated hydrocarbon from gas mixtureHIRAI HIDEFUMI·Filed 1987·Granted Sep 5, 1989·18 cites·8 claims
- 0767US4675309AAdsorbent for use in selective gas adsorption-separation and a process for producing the sameHIRAI HIDEFUMI·Filed 1986·Granted Jun 23, 1987·22 cites·8 claims
- 0862US4888248AColloidal metal dispersion, and a colloidal metal complexHIRAI HIDEFUMI·Filed 1987·Granted Dec 19, 1989·21 cites·34 claims
- 0954US5319134AProcess for introducing a carboxyl group to an aromatic carboxylic acid or a derivative thereofHIRAI HIDEFUMI·Filed 1992·Granted Jun 7, 1994·6 cites·13 claims
- 1053US4546094ASolid adsorbent for unsaturated hydrocarbon and process for separation of unsaturated hydrocarbon from gas mixtureHIRAI HIDEFUMI·Filed 1984·Granted Oct 8, 1985·9 cites·7 claims
- 1146US4902776APreparation of poly-p-phenylene with (1) aluminum chloride and (2) CU(I) Cl or VCl3HIRAI HIDEFUMI·Filed 1988·Granted Feb 20, 1990·6 cites·6 claims
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