Ukawa; Naohiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ukawa; Naohiko.The latest application filed is for "air pollution control apparatus".
- Ukawa; Naohiko - Hiroshima JP
- Ukawa, Naohiko - Hiroshima-shi JP
- Ukawa; Naohiko - Hiroshima-ken JP
| Patent | Date |
|---|---|
| Air pollution control apparatus Grant 9,789,438 - Oishi , et al. October 17, 2 | 2017-10-17 |
| Air Pollution Control Apparatus App 20150125353 - Oishi; Tsuyoshi ; et al. | 2015-05-07 |
| Air pollution control system and air pollution control method Grant 8,420,037 - Iijima , et al. April 16, 2 | 2013-04-16 |
| Air Pollution Control System And Air Pollution Control Method App 20120328501 - Iijima; Masaki ; et al. | 2012-12-27 |
| Flue gas treating system and process Grant 6,863,875 - Kotake , et al. March 8, 2 | 2005-03-08 |
| Combustion exhaust gas treatment system Grant 6,773,680 - Shimizu , et al. August 10, 2 | 2004-08-10 |
| Combustion exhaust gas treatment system Grant 6,740,297 - Shimizu , et al. May 25, 2 | 2004-05-25 |
| Combustion exhaust gas treatment system App 20040033172 - Shimizu, Taku ; et al. | 2004-02-19 |
| Exhaust gas desulfurizing method and system therefor Grant 6,656,440 - Takashina , et al. December 2, 2 | 2003-12-02 |
| Combustion exhaust gas treatment system App 20030077209 - Shimizu, Taku ; et al. | 2003-04-24 |
| Combustion exhaust gas treatment system App 20030072692 - Shimizu, Taku ; et al. | 2003-04-17 |
| Combustion Exhaust Gas Treatment System App 20030007900 - SHIMIZU, TAKU ; et al. | 2003-01-09 |
| Combustion exhaust gas treatment system App 20020009403 - Shimizu, Taku ; et al. | 2002-01-24 |
| Method for controlling oxidation in flue gas desulfurization Grant 6,029,100 - Iwashita , et al. February 22, 2 | 2000-02-22 |
| Flue gas treatment system Grant 5,756,052 - Suzumura , et al. May 26, 1 | 1998-05-26 |
| Gas-liquid contacting apparatus Grant 5,605,655 - Ishihara , et al. February 25, 1 | 1997-02-25 |
| Method of producing solid moldings from a by-product of wet limestone-gypsum desulfurization of flue gas Grant 5,395,561 - Ukawa , et al. March 7, 1 | 1995-03-07 |
| Method for desulfurizing exhaust smoke Grant 5,284,557 - Ukawa , et al. February 8, 1 | 1994-02-08 |
| High-performance flue-gas desulfurization process Grant 5,246,678 - Ochi , et al. September 21, 1 | 1993-09-21 |
| Wet-type exhaust gas desulfurization system having a means for supplying air Grant 5,209,905 - Onizuka , et al. May 11, 1 | 1993-05-11 |
| Method for producing a parallel gas flow type catalyst for oxidizing sulfurous acid gas Grant 4,973,570 - Ukawa , et al. November 27, 1 | 1990-11-27 |
| Method for treating waste gas to separate and recover gypsum and dust therein Grant 4,632,810 - Shinoda , et al. December 30, 1 | 1986-12-30 |
| Controlling the injection of ammonia in a dry type exhaust gas denitration process Grant 4,314,345 - Shiraishi , et al. February 2, 1 | 1982-02-02 |
| Process for controlling nitrogen oxides in exhaust gases and apparatus therefor Grant 4,302,431 - Atsukawa , et al. November 24, 1 | 1981-11-24 |
| Process for the removal of SO.sub.x and NO.sub.x from waste gases using alkali metal or alkaline earth metal iodide Grant 4,038,367 - Atsukawa , et al. July 26, 1 | 1977-07-26 |
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