Hisato Osawa
21Patents
2h-index
20Co-inventors
53Inventor score
Filing activity: Sep 9, 2009 → Jan 9, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8707568B2 | Top-handle working machine | Performing Operations; Transporting | 2 | Active |
| US8397691B2 | Work apparatus with internal combustion engine | Performing Operations; Transporting | 2 | Active |
| US11453110B2 | Electric power work device | Emerging Cross-Sectional Technologies | 1 | Active |
| US12083612B2 | Electric power work device | Emerging Cross-Sectional Technologies | 1 | Active |
| US9988971B2 | Air leading type two-stroke engine and intake system for same, and carburetor | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8468910B2 | Filler member for crankshaft | Emerging Cross-Sectional Technologies | 1 | Active |
| US8894735B2 | Intake device for engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US11141874B2 | Electric-power-driven working device | Performing Operations; Transporting | 1 | Active |
| US8832947B2 | Top-handle working machine | Performing Operations; Transporting | 1 | Active |
| US10487777B2 | Air leading-type stratified scavenging two-stroke internal-combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12337456B2 | Power working machine | Performing Operations; Transporting | 0 | Active |
| US11685074B2 | Hand-held working machine | Performing Operations; Transporting | 0 | Active |
| US9970349B2 | Portable working machine | Physics | 0 | Active |
| US10036304B2 | Leading-air type two-stroke air-cooled engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US9850910B2 | Portable working machine | Physics | 0 | Active |
| US12138771B2 | Electric working tool | Performing Operations; Transporting | 0 | Active |
| US12336464B2 | Driving apparatus | Human Necessities | 0 | Active |
| US10113517B2 | Air cleaner for stratified scavenging two-stroke internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11826893B2 | Electric power work device | Emerging Cross-Sectional Technologies | 0 | Active |
| US9769984B2 | Work apparatus with safety equipment | Emerging Cross-Sectional Technologies | 0 | Active |
| US11701769B2 | Electric working tool | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.