Assignee
TEISAN KK
JP·32 granted patents·584 citations·filing 1983–1997
Top patents by PatentIndex Score
32 records- 0185US5470390AMixed gas supply system with a backup supply systemTEISAN KK·Filed 1994·Granted Nov 28, 1995·73 cites·14 claims
- 0282US5892207AHeating and cooling apparatus for reaction chamberTEISAN KK·Filed 1996·Granted Apr 6, 1999·85 cites·17 claims
- 0378US5891404AExhaust gas treatment unitTEISAN KK·Filed 1996·Granted Apr 6, 1999·59 cites·14 claims
- 0474US5800792AExhaust gas treatment unit and methodTEISAN KK·Filed 1995·Granted Sep 1, 1998·53 cites·21 claims
- 0565US5727589AGas supply system equipped with cylindersTEISAN KK·Filed 1994·Granted Mar 17, 1998·32 cites·16 claims
- 0662US5783162AArgon purification processTEISAN KK·Filed 1996·Granted Jul 21, 1998·22 cites·5 claims
- 0762US5220798AAir separating method using external cold sourceTEISAN KK·Filed 1992·Granted Jun 22, 1993·23 cites·1 claims
- 0857US5685169AMethod and apparatus for preparing high purity hydrogen bromideTEISAN KK·Filed 1995·Granted Nov 11, 1997·19 cites·10 claims
- 0954US5349822AMethod and apparatus for the production of ultra-high purity nitrogenTEISAN KK·Filed 1993·Granted Sep 27, 1994·16 cites·8 claims
- 1054US5345773AMethod and apparatus for the production of ultra-high purity nitrogenTEISAN KK·Filed 1993·Granted Sep 13, 1994·16 cites·13 claims
- 1152US5832746AUltra-high purity nitrogen trifluoride production method, and unit thereforTEISAN KK·Filed 1997·Granted Nov 10, 1998·17 cites·7 claims
- 1249US5267447AProcess and device for preventing the liquefaction-leakage phenomenon of gas in a pressure regulatorTEISAN KK·Filed 1992·Granted Dec 7, 1993·14 cites·13 claims
- 1348US5958138AGas recovery unitTEISAN KK·Filed 1996·Granted Sep 28, 1999·18 cites·10 claims
- 1448US5778698AUltra high purity nitrogen and oxygen generator unitTEISAN KK·Filed 1996·Granted Jul 14, 1998·12 cites·7 claims
- 1547US5238658AExhaust gas treatment apparatusTEISAN KK·Filed 1992·Granted Aug 24, 1993·17 cites·5 claims
- 1645US6224677B1Gas recovery unit utilizing dual use of gasTEISAN KK·Filed 1996·Granted May 1, 2001·15 cites·18 claims
- 1745US4490984ALow-temperature liquefied gas constant outflow deviceTEISAN KK·Filed 1983·Granted Jan 1, 1985·9 cites·6 claims
- 1845US4471627ALow-temperature liquefied gas outflow deviceTEISAN KK·Filed 1983·Granted Sep 18, 1984·9 cites·12 claims
- 1943US5806340AHigh purity nitrogen generator unit and methodTEISAN KK·Filed 1997·Granted Sep 15, 1998·10 cites·16 claims
- 2043US5743112AUltra high purity nitrogen and oxygen generator unitTEISAN KK·Filed 1996·Granted Apr 28, 1998·11 cites·10 claims
- 2143US5623960ASolenoid-operated valve for thermally insulated piping and attachment construction thereforTEISAN KK·Filed 1993·Granted Apr 29, 1997·11 cites·6 claims
- 2238US5899225AAir tube connection state detecting apparatusTEISAN KK·Filed 1997·Granted May 4, 1999·6 cites·6 claims
- 2337US5682761AUltra-high purity nitrogen generating method and unitTEISAN KK·Filed 1996·Granted Nov 4, 1997·6 cites·12 claims
- 2437US5468937AImpurity removing system for the delivery of high purity gasesTEISAN KK·Filed 1994·Granted Nov 21, 1995·6 cites·17 claims
- 2537US5447285ASafety device for cylinder valve automatic switching unitTEISAN KK·Filed 1994·Granted Sep 5, 1995·6 cites·7 claims
- 2632US5921107AOxygen production method related to a nitrogen generator unitTEISAN KK·Filed 1996·Granted Jul 13, 1999·3 cites·10 claims
- 2730US5803795AMethod of treating inner surface of high-pressure gas vesselTEISAN KK·Filed 1996·Granted Sep 8, 1998·5 cites·7 claims
- 2830US5638699AHigh purity nitrogen gas generatorTEISAN KK·Filed 1996·Granted Jun 17, 1997·4 cites·1 claims
- 2930US4497178AMethod of preventing atmosphere from entering heat-insulating containerTEISAN KK·Filed 1983·Granted Feb 5, 1985·2 cites·3 claims
- 3029US5546753AEvaporated gas supply methodTEISAN KK·Filed 1994·Granted Aug 20, 1996·1 cites·6 claims
- 3128US5557925APiping installation for low temperature fluidTEISAN KK·Filed 1994·Granted Sep 24, 1996·3 cites·1 claims
- 3218US5937918AGas filling method and facilityTEISAN KK·Filed 1997·Granted Aug 17, 1999·1 cites·3 claims
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