Masanori Furusawa
77Patents
12h-index
38Co-inventors
84Inventor score
Filing activity: Nov 20, 2003 → Apr 10, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7322427B2 | Power impact tool | Performing Operations; Transporting | 43 | Expired |
| USD604583S1 | Portable electric hammer drill | General | 34 | Expired |
| US6971455B2 | Hammer drill with a mechanism for preventing inadvertent hammer blows | Performing Operations; Transporting | 27 | Expired |
| US7469752B2 | Power tool | Performing Operations; Transporting | 22 | Active |
| US9022702B2 | Dust collecting attachment | Emerging Cross-Sectional Technologies | 21 | Active |
| US8286724B2 | Impact tool | Electricity | 18 | Active |
| US9296079B2 | Dust collecting device | Emerging Cross-Sectional Technologies | 16 | Active |
| US8505647B2 | Hand-held tool | Performing Operations; Transporting | 14 | Active |
| US9545699B2 | Work tool | Emerging Cross-Sectional Technologies | 13 | Active |
| US8186453B2 | Power tool | Emerging Cross-Sectional Technologies | 13 | Active |
| US9199353B2 | Power tool | Emerging Cross-Sectional Technologies | 13 | Active |
| US9956659B2 | Dust collecting device and power tool having the same | Performing Operations; Transporting | 13 | Active |
| US7997837B2 | Power tool | Emerging Cross-Sectional Technologies | 12 | Active |
| US8191648B2 | Power tool | Performing Operations; Transporting | 12 | Active |
| US8997887B2 | Power tool | Performing Operations; Transporting | 12 | Active |
| US8844647B2 | Power tool | Performing Operations; Transporting | 12 | Active |
| US9999967B2 | Striking tool | Performing Operations; Transporting | 11 | Active |
| US8172235B2 | Chuck mechanism of striking tool | Emerging Cross-Sectional Technologies | 11 | Active |
| US8267191B2 | Impact tool | Performing Operations; Transporting | 10 | Active |
| US9254562B2 | Power tool | Performing Operations; Transporting | 10 | Active |
| US9505118B2 | Striking tool | Performing Operations; Transporting | 10 | Active |
| US9463563B2 | Impact tool | Electricity | 9 | Active |
| US8967922B2 | Dust collecting attachment | Emerging Cross-Sectional Technologies | 9 | Active |
| US10179400B2 | Power tool | Performing Operations; Transporting | 8 | Active |
| US9943940B2 | Power tool | Emerging Cross-Sectional Technologies | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.