Noboru Usui
9Patents
4h-index
17Co-inventors
54Inventor score
Filing activity: Dec 2, 1976 → Jun 6, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5399973A | Method and apparatus for detecting a reduction in the degree of vacuum of a vacuum valve while in operation | Physics | 7 | Expired |
| US4399325A | Demodulating circuit for controlling stereo separation | Electricity | 6 | Expired |
| US4149125A | Frequency synthesizer for transmitter receiver using a phase locked loop | Electricity | 6 | Expired |
| US4809328A | FM/FMX stereophonic receiver | Electricity | 6 | Expired |
| US4852167A | FMX stereophonic receiver | Electricity | 3 | Expired |
| US4864637A | FMX stereophonic broadcast receiver | Electricity | 1 | Expired |
| US7093210B2 | Method of manufacturing circuit device using a communication network | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7267217B2 | Apparatus and method for detecting removal of conveyed work | Performing Operations; Transporting | 0 | Expired |
| US10268422B2 | Printer and control method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.