Masao Obara
12Patents
5h-index
35Co-inventors
66Inventor score
Filing activity: Apr 7, 1977 → Jul 29, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5070280A | Deflection yoke | Electricity | 16 | Expired |
| US5049847A | Deflection yoke with auxiliary coils for stray line radiation suppression | Electricity | 14 | Expired |
| US6166484A | Deflection yoke, cathode-ray tube device using the same and display device | Electricity | 12 | Expired |
| US5332912A | Heterojunction bipolar transistor | Electricity | 9 | Expired |
| US5548190A | Deflection yoke and cathode-ray tube apparatus comprising the same | Electricity | 6 | Expired |
| US4096462A | Deflection yoke device for use in color television receiver sets | Electricity | 5 | Expired |
| US4737692A | Pincushion distortion correction device | Electricity | 4 | Expired |
| US5475287A | Cathode-ray tube apparatus and yoke | Electricity | 4 | Expired |
| US5668447A | Deflection yoke and cathode-ray tube apparatus comprising the same | Electricity | 3 | Expired |
| US5701061A | Cathode-ray tube apparatus and yoke | Electricity | 1 | Expired |
| US5523594A | Heterojunction bipolar transistor | Electricity | 0 | Expired |
| US5907214A | Deflection yoke with coils for reducing unwanted magnetic field radiation | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.