Akio Hashimoto
46Patents
13h-index
71Co-inventors
84Inventor score
Filing activity: Nov 16, 1981 → Jan 8, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4538698A | Motor-driven power steering system | Performing Operations; Transporting | 45 | Expired |
| US4611682A | Motor-driven power steering system | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6714311B2 | Position detection device, position pointing device, position detecting method and pen-down detecting method | Physics | 34 | Expired |
| US5027915A | Electric power steering system | Performing Operations; Transporting | 28 | Expired |
| US4724711A | Torque detector | Physics | 24 | Expired |
| US4753310A | Electric power steering device | Performing Operations; Transporting | 23 | Expired |
| US5759647A | Tubular article method for injection molding thereof | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6296255A | Sealing mechanism for sealing a vacuum chamber | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4574903A | Motor driven power steering system | Performing Operations; Transporting | 20 | Expired |
| US5860331A | Transmission gear | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4724917A | Motor driven power steering system | Performing Operations; Transporting | 16 | Expired |
| US4865143A | Torque detecting device | Physics | 14 | Expired |
| US4561515A | Steering power transmitting equipment | Performing Operations; Transporting | 13 | Expired |
| US4419143A | Method for manufacture of aluminum alloy casting | Chemistry; Metallurgy | 13 | Expired |
| US4580648A | Motor-driven power steering system | Performing Operations; Transporting | 13 | Expired |
| US5582659A | Aluminum alloy for forging, process for casting the same and process for heat treating the same | Chemistry; Metallurgy | 12 | Expired |
| US4420345A | Method for manufacture of aluminum alloy casting | Chemistry; Metallurgy | 12 | Expired |
| US5178046A | Screw fastening device | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5353004A | Sensor for detecting steering angle | Physics | 9 | Expired |
| US6688604B2 | Sealing mechanism for sealing a vacuum chamber | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5762728A | Wear-resistant cast aluminum alloy process of producing the same | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4667759A | Power transmission device of motor-driven power steering | Performing Operations; Transporting | 7 | Expired |
| US7464941B2 | Sealing mechanism for sealing a vacuum chamber | Emerging Cross-Sectional Technologies | 7 | Active |
| US4923100A | Process for producing clad sheets | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5859294A | Process for the production of high-purity naphthalenedicarboxylic acid | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.