Hiratsuka; Toshifumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hiratsuka; Toshifumi.The latest application filed is for "exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine".

Company Profile

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Hiratsuka; Toshifumi - Hitachinaka-shi JP
Hiratsuka; Toshifumi - Hitachinaka JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Exhaust Gas Purification Apparatus of Internal Combustion Engine and Catalyst for Purifying Exhaust Gas of Internal Combustion Engine App 20070204595 - HANAOKA; Hiroshi ; et al.	2007-09-06
Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine Grant 7,093,432 - Hanaoka , et al. August 22, 2	2006-08-22
Exhaust gas purifcation apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine App 20050089456 - Hanaoka, Hiroshi ; et al.	2005-04-28
Internal combustion engine exhaust gas purification apparatus, exhaust gas purification process and exhaust gas purification catalyst Grant 6,841,511 - Kaneeda , et al. January 11, 2	2005-01-11
Moisture removal device and method thereof for internal combustion engine use exhaust gas cleaning device Grant 6,823,659 - Hiratsuka , et al. November 30, 2	2004-11-30
Internal combustion engine exhaust gas purification apparatus, exhaust gas purification process and exhaust gas purification catalyst App 20030202925 - Kaneeda, Masato ; et al.	2003-10-30
Exhaust emission control process for internal combustion engines Grant 6,630,115 - Kaneeda , et al. October 7, 2	2003-10-07
Moisture removal device and method thereof for internal combustion engine use exhaust gas cleaning device App 20030172646 - Hiratsuka, Toshifumi ; et al.	2003-09-18
Exhaust gas purifying device for internal combustion engine App 20030154713 - Hiratsuka, Toshifumi ; et al.	2003-08-21
Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine App 20020159926 - Hanaoka, Hiroshi ; et al.	2002-10-31
Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine Grant 6,397,582 - Hanaoka , et al. June 4, 2	2002-06-04
Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas internal combustion engine Grant 6,161,378 - Hanaoka , et al. December 19, 2	2000-12-19
Exhaust gas purifying method and catalyst used therefor Grant 6,045,764 - Iizuka , et al. April 4, 2	2000-04-04
Method of manufacturing catalyst for cleaning exhaust gas released from internal combustion engine, and catalyst for the same Grant 5,972,828 - Doi , et al. October 26, 1	1999-10-26

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