Ryohei Yabuno
18Patents
9h-index
27Co-inventors
68Inventor score
Filing activity: Nov 21, 1984 → Jun 26, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4994085A | Artificial stem unit for coxa with setting guide | Human Necessities | 33 | Expired |
| US6169402A | Nuclear magnetic resonance spectrometer | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4864273A | Variable resistor | Electricity | 18 | Expired |
| US4876893A | Strain gauges for the pressure sensor | Physics | 18 | Expired |
| US5581135A | Superconducting motor | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4751492A | Variable resistor | Electricity | 12 | Expired |
| US5068964A | Method of making poly-V grooved pulley | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5659278A | Superconducting magnet device, magnetizing device and method for superconductor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4655079A | Level gauge for liquid helium | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4745806A | Level gauge for liquid helium | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4821011A | Pressure sensor | Physics | 6 | Expired |
| US4944183A | Level gauge for liquid helium | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6545474B2 | Controlling method of superconductor magnetic field application apparatus, and nuclear magnetic resonance apparatus and superconducting magnet apparatus using the method | Physics | 4 | Expired |
| US6489769B2 | Nuclear magnetic resonance apparatus | Physics | 3 | Expired |
| US4901050A | Tilt sensor for vehicle steering shaft | Electricity | 2 | Expired |
| US4653165A | Method for making a poly-V grooved pulley with interior ribs | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5155465A | Variable resistor with a switching mechanism | Electricity | 2 | Expired |
| US4990935A | Thermal head | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.