Kenji Sakurai
60Patents
10h-index
84Co-inventors
81Inventor score
Filing activity: Sep 8, 1978 → Jan 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4394048A | Interlocking mechanism of both side lock recliner for automotive seat | Performing Operations; Transporting | 28 | Expired |
| USD748842S1 | Lighting fixture | General | 27 | Active |
| USD748316S1 | Lighting fixture | General | 25 | Active |
| US5893210A | Method of forming a roller and mold for forming the same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6102389A | Sheet feeding device | Performing Operations; Transporting | 17 | Expired |
| US4331627A | Alumina sintered products and process for their production | Chemistry; Metallurgy | 16 | Expired |
| US4203690A | Ceramic cutting tip | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4204873A | Sintered ceramic body for cutting tools | Chemistry; Metallurgy | 11 | Expired |
| US4702517A | Detachable-type vehicle sun shade | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7839113B2 | Apparatus and method for driving synchronous motor | Electricity | 10 | Active |
| US4526875A | Ceramic material for cutting tools and process for the production thereof | Chemistry; Metallurgy | 9 | Expired |
| US7224133B2 | Control apparatus, dual chip inverter and single chip inverter of AC motors | Electricity | 7 | Expired |
| US6137600A | Recording apparatus | Performing Operations; Transporting | 6 | Expired |
| US5807004A | Roller for image forming apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8035330B2 | Apparatus and method for driving synchronous motor | Electricity | 5 | Active |
| US7455443B2 | Surface light source device | Physics | 5 | Active |
| US7859210B2 | Semiconductor device for driving motor, three-phase motor and motor driving apparatus with the semiconductor device and fan motor | Electricity | 5 | Active |
| US8421395B2 | Synchronous motor and control method of synchronous motor | Electricity | 5 | Active |
| US7710064B2 | Semiconductor device for motor driving and motor having the same, motor driving apparatus and air conditioner | Electricity | 4 | Active |
| US7060520B2 | Piezoelectric device and cover sealing method and apparatus therefor, cellular phone apparatus using piezoelectric device and electronic apparatus using piezoelectric device | Electricity | 4 | Expired |
| US9362849B2 | Electrostatic induction power generator | Electricity | 3 | Active |
| US7729847B2 | Air-fuel ratio control device of internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Active |
| US9822683B2 | Exhaust gas purification system for internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Active |
| US8617969B2 | Method for producing semiconductor optical device | Electricity | 3 | Active |
| US9696496B2 | Semiconductor optical device and semiconductor assembly | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.