Ken Shirai
16Patents
1h-index
24Co-inventors
50Inventor score
Filing activity: Jul 23, 2010 → Dec 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8591618B2 | Air cleaner | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8894735B2 | Intake device for engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US8468910B2 | Filler member for crankshaft | Emerging Cross-Sectional Technologies | 1 | Active |
| US10587129B2 | Electric power supply system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9127588B2 | Two-cycle engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8353262B2 | Two-stroke internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11828221B2 | Schnuerle scavenging two-stroke engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11251591B2 | Insulation film peeling method | Performing Operations; Transporting | 0 | Active |
| US11598247B2 | Two-stroke internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11658532B2 | Stator and method of producing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US10927789B2 | Stratified scavenging engine and portable work machine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11387718B2 | Method of removing coating layer of coil wiring | Electricity | 0 | Active |
| US9995189B2 | Engine driven working machine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8955475B2 | Two-stroke internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11624337B2 | Two-cycle engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US12176771B2 | Conductor wire insulating film separating method | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.