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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →