| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Measurement | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Controlling combustion engines | |
| #2 | Analysing materials | |
| #3 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Iwazaki Yasushi | 14 |
| #2 | Miyamoto Hiroshi | 10 |
| #3 | Sawada Hiroshi | 9 |
| #4 | Nakamura Fumihiko | 5 |
| #5 | Aoki Keiichiro | 4 |
| #6 | Kidokoro Toru | 3 |
| #7 | Kawaji Masaya | 2 |
| #8 | Joko Takahiro | 2 |
| #9 | Oda Yoshihisa | 1 |
| #10 | Shimada Tatsuro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2011271665A1 | Air-fuel ratio imbalance among cylinders determining apparatus for an internal combustion engine | |
| US2012232773A1 | Inter-cylinder air-fuel ratio imbalance determination apparatus for an internal combustion engine | |
| US2010168986A1 | Apparatus and method for detecting abnormal air-fuel ratio variation among cylinders of multi-cylinder internal combustion engine |