Takefumi Furuta
15Patents
11h-index
18Co-inventors
69Inventor score
Filing activity: Jun 23, 1995 → Mar 5, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6142242A | Percussion driver drill, and a changeover mechanism for changing over a plurality of operating modes of an apparatus | Performing Operations; Transporting | 123 | Expired |
| US7308948B2 | Electric power tool | Emerging Cross-Sectional Technologies | 66 | Expired |
| US7124839B2 | Impact driver having an external mechanism which operation mode can be selectively switched between impact and drill modes | Performing Operations; Transporting | 59 | Expired |
| US7131503B2 | Impact driver having a percussion application mechanism which operation mode can be selectively switched between percussion and non-percussion modes | Performing Operations; Transporting | 57 | Expired |
| US6213224A | Electric power tool with enhanced strength to axially-applied external force | Performing Operations; Transporting | 49 | Expired |
| US7380613B2 | Electric power tool | Emerging Cross-Sectional Technologies | 35 | Active |
| US7380612B2 | Electric power tool | Emerging Cross-Sectional Technologies | 33 | Active |
| USD520834S1 | Portable electric driver | General | 32 | Expired |
| US6523658B2 | Clutch mechanism for use in rotary tools having screw-driving and drill modes | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| USD375439S | Cordless circular saw | General | 21 | Expired |
| US8148000B2 | Power tool and protector for power tool | Emerging Cross-Sectional Technologies | 16 | Active |
| US9844865B2 | Driver tool | Performing Operations; Transporting | 7 | Active |
| US10526450B2 | Terminally modified imide oligomer, varnish, cured products thereof, film, and imide prepreg and fiber-reinforced composite material using these | Chemistry; Metallurgy | 0 | Active |
| US12305003B2 | Polyamic acid having specific composition, varnish, cured product, and composite material | Chemistry; Metallurgy | 0 | Active |
| US11492446B2 | Semipreg, prepreg, resin composite material, and production methods thereof | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.