Inventor · disambiguated record
Kazuo Haruna
Also filed as: HARUNA KAZUO
11 granted patents·1 pending application·337 citations·filing 1983–2010
92Inventor score
Top patents by PatentIndex Score
12 records- 0185US4684377AProcess for producing oxygen-enriched gasSEITETSU KAGAKU CO LTD·Filed 1986·Granted Aug 4, 1987·58 cites·4 claims
- 0283US4917710AProcess for recovering oxygen enriched gasSUMITOMO SEIKA CHEMICALS·Filed 1989·Granted Apr 17, 1990·57 cites·8 claims
- 0383US4661125AProcess for producing high concentration oxygen by a pressure-swing-adsorption methodSEITETSU KAGAKU CO LTD·Filed 1985·Granted Apr 28, 1987·54 cites·7 claims
- 0481US4529412AProcess for obtaining high concentration argon by pressure-swing-adsorptionSEITETSU KAGAKU CO LTD·Filed 1983·Granted Jul 16, 1985·44 cites·9 claims
- 0571US8715400B2Double vacuum pump apparatus, gas purification system provided with double vacuum pump apparatus, and exhaust gas vibration suppressing device in double vacuum pump apparatusHARUNA KAZUO·Filed 2010·Granted May 6, 2014·4 cites·17 claims
- 0666US5755856AProcess of recovering oxygen-enriched gasSUMITOMO SEIKA CHEMICALS·Filed 1996·Granted May 26, 1998·38 cites·5 claims
- 0763US5505765AMethod and apparatus for separating nitrogen-enriched gasSUMITOMO SEIKA CHEMICALS·Filed 1995·Granted Apr 9, 1996·29 cites·13 claims
- 0862US4985052AProcess for producing high purity oxygen gas from airSEITETSU KAGAKU CO LTD·Filed 1988·Granted Jan 15, 1991·25 cites·2 claims
- 0954US6663691B2Method of recovering enriched gaseous oxygenSUMITOMO SEIKA CHEMICALS·Filed 2001·Granted Dec 16, 2003·9 cites·6 claims
- 1051US4955998AProcess for separating gasSUMITOMO SEIKA CHEMICALS·Filed 1989·Granted Sep 11, 1990·14 cites·4 claims
- 1145US2010294130A1Method and apparatus for separating hydrogen gasSUMITOMO SEIKA CHEMICALS·Filed 2007·Application pending·0 cites
- 1227US4713100AAdsorption apparatusSEITETSU KAGAKU CO LTD·Filed 1986·Granted Dec 15, 1987·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →