Masaki Koga
11Patents
3h-index
27Co-inventors
56Inventor score
Filing activity: Sep 21, 1998 → Apr 16, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6331214A | Monolithically bonded construct of rare-earth magnet and metal material and method for bonding same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7536999B2 | Air-fuel ratio control apparatus | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8176728B2 | Air-fuel ratio control device | Emerging Cross-Sectional Technologies | 3 | Active |
| US7169078B2 | Engine idle speed control device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8606446B2 | Control system of hybrid vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
| US7141000B2 | Engine idle speed control device | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8141343B2 | Air-fuel ratio control apparatus | Emerging Cross-Sectional Technologies | 2 | Active |
| US8034975B2 | Method of manufacturing succinic acid and ammonium succinate solutions | Chemistry; Metallurgy | 0 | Active |
| US9133794B2 | EGR gas cooling device for hybrid vehicle and EGR gas cooling method for hybrid vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
| US9291143B2 | Spark ignition internal combustion engine and control method of spark ignition internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US8607545B2 | Air-fuel ratio control device | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.