Issued Patents All Time
Showing 51–75 of 137 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982624 | Variable second injection control for internal combustion engine assemblies | Hanho Yun | 2018-05-29 |
| 9803580 | Method and apparatus for controlling operation of an internal combustion engine | Hanho Yun, Orgun A. Guralp, Chen-Fang Chang, Paul M. Najt | 2017-10-31 |
| 9726861 | Variable focus lens, and preparing method of the same | Byung Hee Hong | 2017-08-08 |
| 9689339 | Engine torque control with fuel mass | Orgun A. Guralp, Sai S. V. Rajagopalan, Hanho Yun, Chen-Fang Chang, Paul M. Najt | 2017-06-27 |
| 9689321 | Engine torque control with combustion phasing | Orgun A. Guralp, Sai S. V. Rajagopalan, Hanho Yun, Chen-Fang Chang, Paul M. Najt | 2017-06-27 |
| 9664135 | Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion mode | Sai S. V. Rajagopalan, Hanho Yun, Orgun A. Guralp, Ethan E Bayer | 2017-05-30 |
| 9617930 | Method and system for controlling a powertrain | Orgun A. Guralp, Hanho Yun, Sai S. V. Rajagopalan, Chen-Fang Chang, Paul M. Najt | 2017-04-11 |
| 9488121 | Method for estimating volumetric efficiency in powertrain | Yongjie Zhu, Chen-Fang Chang | 2016-11-08 |
| 9482164 | Engine control using calculated cylinder air charge | Hossein Javaherian, Shifang Li, Yiran Hu, Chen-Fang Chang | 2016-11-01 |
| 9470154 | Transition from homogeneous charge compression ignition combustion mode to spark ignited combustion | Sai S. V. Rajagopalan, Kevin Andrew Gady | 2016-10-18 |
| 9394838 | Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion mode | Orgun A. Guralp, Hanho Yun, Sai S. V. Rajagopalan, Yongjie Zhu, Chen-Fang Chang +1 more | 2016-07-19 |
| 9284906 | Combustion phasing control methodology in HCCI combustion | Hanho Yun, Nicole Wermuth, Paul M. Najt, Chen-Fang Chang | 2016-03-15 |
| 9267451 | Method and apparatus for controlling combustion noise in an internal combustion engine | Chen-Fang Chang, Hanho Yun | 2016-02-23 |
| 9163569 | Indirect HCCI combustion control | Jyh-Shin Chen, Chen-Fang Chang, Paul M. Najt | 2015-10-20 |
| 9074551 | Method and apparatus for engine operation in homogeneous charge compression ignition and spark ignition | Hanho Yun, Nicole Wermuth, Paul M. Najt, Barry L. Brown | 2015-07-07 |
| 9068907 | Powertrain and method of determining residual gas volume | Yongjie Zhu, Yiran Hu, Chen-Fang Chang, Hanho Yun | 2015-06-30 |
| 9031765 | Method to complete a learning cycle of a recursive least squares approximation | Kwang-Keun Shin, Hanho Yun | 2015-05-12 |
| 8918265 | Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion mode | Jyh-Shin Chen, Chen-Fang Chang | 2014-12-23 |
| 8887691 | Method and apparatus for selecting a combustion mode for an internal combustion engine | Jyh-Shin Chen, Chen-Fang Chang | 2014-11-18 |
| 8826884 | Combustion balancing control strategy using normalized instantaneous heat release in HCCI engines | Chen-Fang Chang, Hanho Yun | 2014-09-09 |
| 8826871 | Method for combustion mode transition | Jyh-Shin Chen, Chen-Fang Chang | 2014-09-09 |
| 8776737 | Spark ignition to homogenous charge compression ignition transition control systems and methods | Ethan E Bayer, Sai S. V. Rajagopalan, Orgun A. Guralp, Hanho Kang, Paul M. Najt | 2014-07-15 |
| 8776762 | HCCI mode switching control system and method | Allen B. Rayl, Vijay Ramappan, Peter Kafarnik, Hanho Yun | 2014-07-15 |
| 8751136 | Methodology to compensate the effect of humidity and altitude on HCCI combustion | Hanho Yun, Nicole Wermuth, Paul M. Najt, Chen-Fang Chang | 2014-06-10 |
| 8645044 | Method and apparatus for operating an internal combustion engine in a homogeneous-charge compression-ignition combustion mode | Nicole Wermuth, Paul M. Najt, Orgun A. Guralp, Hanho Yun | 2014-02-04 |