Kawakami; Katsuhiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kawakami; Katsuhiko.The latest application filed is for "catalyst loading device and catalyst loading method".
- Kawakami; Katsuhiko - Tokyo JP
- Kawakami; Katsuhiko - Shisuimachi JP
| Patent | Date |
|---|---|
| Cleaning method of oil tank and cleaning device of same Grant 10,130,978 - Kawakami , et al. November 20, 2 | 2018-11-20 |
| Catalyst loading device and catalyst loading method Grant 9,586,189 - Kawakami , et al. March 7, 2 | 2017-03-07 |
| Catalyst Loading Device And Catalyst Loading Method App 20160236164 - Kawakami; Katsuhiko ; et al. | 2016-08-18 |
| Cleaning Method Of Oil Tank And Cleaning Device Of Same App 20160107206 - Kawakami; Katsuhiko ; et al. | 2016-04-21 |
| Separator and unloading device Grant 7,959,870 - Yanokuchi , et al. June 14, 2 | 2011-06-14 |
| Separator And Unloading Device App 20090214403 - Yanokuchi; Tomokazu ; et al. | 2009-08-27 |
| Cooling method of hydrotreating plant and cooling unit therefor Grant 7,112,311 - Yoshizumi , et al. September 26, 2 | 2006-09-26 |
| Dumping device of catalyst inside reactor and dumping method using the same Grant 6,814,945 - Kawakami , et al. November 9, 2 | 2004-11-09 |
| Cooling method of hydrotreating plant and cooling unit therefor App 20020106315 - Yoshizumi, Yuji ; et al. | 2002-08-08 |
| Method of cleaning and maintaining petroleum refining plants Grant 6,273,102 - Kawakami , et al. August 14, 2 | 2001-08-14 |
| Dumping device of catalyst inside reactor and dumping method using the same App 20010004451 - Kawakami, Katsuhiko ; et al. | 2001-06-21 |
| Laser marking and printing ink therefor Grant 5,413,629 - Yasui , et al. May 9, 1 | 1995-05-09 |
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