San Jae Lee

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Patents Grantslast 30 patents

Information Patent Grant
Gas sensor, control device thereof and method of measuring NOx conc...
- Patent number 8,308,925
- Issue date Nov 13, 2012
- NGK Insulators, Ltd.
- Akihiro Muroguchi
- G01 - MEASURING TESTING
Information Patent Grant
NOx sensor
- Patent number 8,197,652
- Issue date Jun 12, 2012
- NGK Insulators, Ltd.
- Sumiko Horisaka
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
NOx SENSOR
- Publication number 20090242402
- Publication date Oct 1, 2009
- NGK Insulators, Ltd.
- Sumiko Horisaka
- G01 - MEASURING TESTING
Information Patent Application
GAS SENSOR, CONTROL DEVICE THEREOF AND METHOD OF MEASURING NOx CONC...
- Publication number 20090242427
- Publication date Oct 1, 2009
- NGK Insulators, Ltd.
- Akihiro Muroguchi
- G01 - MEASURING TESTING
Information Patent Application
NOx SENSOR
- Publication number 20090242401
- Publication date Oct 1, 2009
- NGK Insulators, Ltd.
- Sumiko Horisaka
- G01 - MEASURING TESTING
Information Patent Application
GAS SENSOR ELEMENT TREATMENT METHOD
- Publication number 20090205193
- Publication date Aug 20, 2009
- NGK Insulators, Ltd.
- Kunihiko NAKAGAKI
- G01 - MEASURING TESTING
Information Patent Application
GAS SENSOR AND NITROGEN OXIDE SENSOR
- Publication number 20090120791
- Publication date May 14, 2009
- NGK Insulators, Ltd.
- Takeya Miyashita
- G01 - MEASURING TESTING