Inventor
Kazuo Haruna
Inventor
Kakogawa, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation52%
C01BNon-metallic elements24%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
F04BPositive-displacement machines for liquids5%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids5%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]5%
PatentTitleYear
8,715,400'Double vacuum pump apparatus, gas purification system provided with double vacuum pump apparatus, and exhaust gas vibration suppressing device in double vacuum pump apparatus'20146,663,691'Method of recovering enriched gaseous oxygen'20035,755,856'Process of recovering oxygen-enriched gas'19985,505,765'Method and apparatus for separating nitrogen-enriched gas'19964,985,052'Process for producing high purity oxygen gas from air'19914,955,998'Process for separating gas'19904,917,710'Process for recovering oxygen enriched gas'19904,713,100'Adsorption apparatus'19874,684,377'Process for producing oxygen-enriched gas'19874,661,125'Process for producing high concentration oxygen by a pressure-swing-adsorption method'19874,529,412'Process for obtaining high concentration argon by pressure-swing-adsorption'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1991Patents assigned to SEITETSU KAGAKU CO LTD (5)· patent assignee history
1985–1991Based in Kakogawa, JP· patent location history
1990–2003Patents assigned to SUMITOMO SEIKA CHEMICALS (5)· patent assignee history
1990–2003Based in Hyogo, JP· patent location history
1991Patents assigned to BERGWERKSVERBAND GMBH (1)· patent assignee history
1998Based in Kako-gun, JP· patent location history
2014Patents assigned to HARUNA KAZUO (1)· patent assignee history
2014Patents assigned to KUWATA HIDENORI (1)· patent assignee history
2014Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEITETSU KAGAKU CO LTD | 5 | 1985–1991 |
| SUMITOMO SEIKA CHEMICALS | 5 | 1990–2003 |
| BERGWERKSVERBAND GMBH | 1 | 1991 |
| HARUNA KAZUOself | 1 | 2014 |
| KUWATA HIDENORI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kakogawa, JP | 6 | 1985–1991 |
| Hyogo, JP | 3 | 1990–2003 |
| Osaka, JP | 1 | 2014 |
| Kako-gun, JP | 1 | 1998 |