Akio Chiba
18Patents
9h-index
39Co-inventors
72Inventor score
Filing activity: Mar 10, 1975 → Feb 21, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5208502A | Sliding current collector made of ceramics | Electricity | 56 | Expired |
| US7174620B2 | Method of manufacturing thin quartz crystal wafer | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4482912A | Stacked structure having matrix-fibered composite layers and a metal layer | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4727955A | Carbon canister drained vapor diffusing device | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US4497875A | Ceramic substrate with metal plate | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7034441B2 | Surface mount crystal unit and surface mount crystal oscillator | Electricity | 18 | Expired |
| US4690793A | Nuclear fusion reactor | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4369981A | Fuel tank fitting structure | Performing Operations; Transporting | 17 | Expired |
| US4122386A | Uniform magnetic field generating device | Electricity | 12 | Expired |
| US4042898A | Pole piece for use in magnet device and method for manufacturing same | Electricity | 7 | Expired |
| US5266860A | Commutator | Electricity | 6 | Expired |
| US5200373A | High strength composite ceramic structure and process for producing the same | Chemistry; Metallurgy | 6 | Expired |
| US4217568A | Magnetic pole pieces for use in a nuclear magnetic resonance apparatus | Electricity | 4 | Expired |
| US6953761B2 | Aluminum nitride sintered body and substrate for electronic devices | Electricity | 2 | Expired |
| US6930440B2 | Tuning fork type crystal unit and bar type crystal unit | Electricity | 2 | Expired |
| US6880407B2 | Load sensor with use of crystal resonator | Physics | 2 | Expired |
| US7863802B2 | Quartz crystal element made of double-rotation Y-cut quartz crystal plate | Electricity | 0 | Active |
| US9360205B2 | Lighting apparatus for vacuum apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.