Inventor
HIRAI HIDEFUMI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI HIDEFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HIRAI HIDEFUMI
11 patentsUS4587114AMay 6, 1986
Method for separating carbon dioxide from mixed gas
HIRAI HIDEFUMI65 citations95
US5187209AFeb 16, 1993
Colloidal metal dispersion, and a colloidal metal complex
HIRAI HIDEFUMI71 citations93
US4747855AMay 31, 1988
Solid absorbent for unsaturated hydrocarbon and process for separation of unsaturated hydrocarbon from gas mixture
HIRAI HIDEFUMI32 citations91
US6051614AApr 18, 2000
Method for preparing a non-aqueous dispersion of particles of a metal and/or a metal compound
HIRAI HIDEFUMI43 citations84
US4864071ASep 5, 1989
Process for separation of unsaturated hydrocarbon from gas mixture
HIRAI HIDEFUMI18 citations82
US4675309AJun 23, 1987
Adsorbent for use in selective gas adsorption-separation and a process for producing the same
HIRAI HIDEFUMI22 citations80
US4546094AOct 8, 1985
Solid adsorbent for unsaturated hydrocarbon and process for separation of unsaturated hydrocarbon from gas mixture
HIRAI HIDEFUMI9 citations73
US4525180AJun 25, 1985
Process for recovery of ethylene from gaseous mixture
HIRAI HIDEFUMI9 citations73
US4902776AFeb 20, 1990
Preparation of poly-p-phenylene with (1) aluminum chloride and (2) CU(I) Cl or VCl3
HIRAI HIDEFUMI6 citations72
US4888248ADec 19, 1989
Colloidal metal dispersion, and a colloidal metal complex
HIRAI HIDEFUMI21 citations71
US5319134AJun 7, 1994
Process for introducing a carboxyl group to an aromatic carboxylic acid or a derivative thereof
HIRAI HIDEFUMI6 citations58
NIPPON STEEL CORP
3 patentsUS4696682ASep 29, 1987
Solid adsorbent for carbon monoxide and process for separation from gas mixture
NIPPON STEEL CORP29 citations92
US4470829ASep 11, 1984
Solid adsorbent for carbon monoxide and process for separation from gas mixture
NIPPON STEEL CORP29 citations92
US4460384AJul 17, 1984
Process for separating carbon monoxide from a gas mixture
NIPPON STEEL CORP3 citations62