Takuji Ishioka
29Patents
11h-index
25Co-inventors
75Inventor score
Filing activity: Mar 5, 1992 → Jul 10, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5379634A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US5241937A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5215067A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5419300A | Ignition coil unit with ignition voltage detective capacitor for internal combustion engine | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5237279A | Ignition and fuel system misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5487676A | Spark plug cap with ignition voltage detective capacitor for internal combustion engine | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5226394A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5388560A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5221904A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5418461A | Device for detecting abnormality of spark plugs for internal combustion engines and a misfire-detecting system incorporating the same | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5349299A | Fuel supply misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5327090A | Misfire-detecting system for an internal combustion engine which detects a misfire due to the fuel supply system | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5349930A | High tension cord cover with misfire detecting capacitor for internal combustion engine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5391100A | Method of manufacturing of spark plug cap with ignition voltage detective capacitor | Electricity | 10 | Expired |
| US5461316A | Ignition coil with misfire detecting capacitor for internal combustion engine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5363046A | Spark plug cap with misfire detecting capacitor for internal combustion engine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5322045A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5307017A | Sparking voltage detecting device for internal combustion engines | Physics | 8 | Expired |
| US5287836A | Control system for internal combustion engines | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5327867A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5376886A | Ignition distributor cap with misfire detecting capacitor for internal combustion engine | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5375462A | Misfire detecting system for internal combustion engine | Physics | 6 | Expired |
| US5317268A | Sparking voltage detecting device for internal combustion engines | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US8763634B2 | Relief device for oil pump | Emerging Cross-Sectional Technologies | 5 | Active |
| US5598821A | Misfire detection system for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.