Miyahara; Yasuyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Miyahara; Yasuyuki.The latest application filed is for "deteriorated state evaluation device of exhaust emission control equipment".

Company Profile

0.10.11

Miyahara; Yasuyuki - Wako JP
Miyahara; Yasuyuki - Saitama-ken JP
Miyahara, Yasuyuki - Saitama JP
Miyahara, Yasuyuki - Wako-shi 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
Deteriorated state evaluation device of exhaust emission control equipment Grant 6,935,099 - Miyahara , et al. August 30, 2	2005-08-30
Hydrocarbon adsorbent state determining apparatus Grant 6,923,849 - Ueno , et al. August 2, 2	2005-08-02
Deteriorated state evaluation device of exhaust emission control equipment App 20040231322 - Miyahara, Yasuyuki ; et al.	2004-11-25
State determining apparatus for exhaust gas purifier Grant 6,820,413 - Ueno , et al. November 23, 2	2004-11-23
Method of evaluating deteriorated state of hydrocarbon adsorbent Grant 6,799,420 - Ueno , et al. October 5, 2	2004-10-05
Exhaust gas purifying apparatus for internal combustion engine Grant 6,792,749 - Ueno , et al. September 21, 2	2004-09-21
Method of detecting failure of humidity sensor Grant 6,772,586 - Miyahara , et al. August 10, 2	2004-08-10
Exhaust gas valve device in internal combustion engine Grant 6,769,247 - Watanabe , et al. August 3, 2	2004-08-03
Exhaust gas purification system of internal combustion engines Grant 6,729,122 - Watanabe , et al. May 4, 2	2004-05-04
Hydrocarbon adsorbent state determining apparatus App 20040003723 - Ueno, Masaki ; et al.	2004-01-08
Exhaust gas purifying apparatus for internal combustion engine App 20040000137 - Ueno, Masaki ; et al.	2004-01-01
State determining apparatus for exhaust gas recirculation system Grant 6,647,972 - Sato , et al. November 18, 2	2003-11-18
Temperature control system for humidity sensor Grant 6,641,303 - Yamazaki , et al. November 4, 2	2003-11-04
Method of detecting failure of humidity sensor App 20030106304 - Miyahara, Yasuyuki ; et al.	2003-06-12
Method of evaluating deteriorated state of hydrocarbon adsorbent App 20030089100 - Ueno, Masaki ; et al.	2003-05-15
Exhaust gas valve device in internal combustion engine App 20030061804 - Watanabe, Norihito ; et al.	2003-04-03
Exhaust gas purification system of internal combustion engines App 20030046926 - Watanabe, Norihito ; et al.	2003-03-13
State determining apparatus for exhaust gas purifier App 20030046925 - Ueno, Masaki ; et al.	2003-03-13
Temperature control system for humidity sensor App 20030043885 - Yamazaki, Hideharu ; et al.	2003-03-06
Failure determination device for humidity sensor and control system for exhaust passage changeover valve App 20020053199 - Sato, Masahiro ; et al.	2002-05-09
State determining apparatus for exhaust gas recirculation system App 20020053343 - Sato, Masahiro ; et al.	2002-05-09

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