Nobukazu Doi
91Patents
27h-index
56Co-inventors
91Inventor score
Filing activity: Jun 10, 1985 → Aug 12, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7082321B2 | Radio communication system using adaptive array antenna | Electricity | 210 | Expired |
| US5870393A | Spread spectrum communication system and transmission power control method therefor | Electricity | 154 | Expired |
| US5559790A | Spread spectrum communication system and transmission power control method therefor | Electricity | 151 | Expired |
| US6269088A | CDMA mobile communication system and communication method | Electricity | 117 | Expired |
| US6141335A | Radio communication system | Electricity | 114 | Expired |
| US6307844A | CDMA communication system and its transmission power control method | Electricity | 66 | Expired |
| US5499395A | Cellular mobile communication system having apparatus for changing boundaries of cells according to traffic condition | Electricity | 64 | Expired |
| US6597678B1 | Radio communication system using adaptive array antenna | Electricity | 62 | Expired |
| US6570865B2 | CDMA mobile communications system and communication method | Electricity | 61 | Expired |
| US6483816B2 | CDMA communication system and its transmission power control method | Electricity | 55 | Expired |
| US5047852A | Adaptive transform encoder for digital image signal in recording/reproducing apparatus | Electricity | 53 | Expired |
| US6704547B2 | Wireless communication base station transmission timing offset correction system | Electricity | 48 | Expired |
| US6459402B1 | Method for measuring distance and position using spectrum signal, and an equipment using the method | Electricity | 45 | Expired |
| US5943329A | Code division multiple access mobile communication system | Electricity | 41 | Expired |
| US6694142B1 | Wireless terminal positioning method and apparatus | Physics | 40 | Expired |
| US6900753B2 | Method for measuring distance and position using spread spectrum signal, and an equipment using the method | Electricity | 38 | Expired |
| US6141337A | Spread spectrum communication system | Electricity | 37 | Expired |
| US4653052A | Method for decoding double-encoding codes and apparatus using the same | Electricity | 36 | Expired |
| US6804216B1 | Code division multiple access communication method using dynamic code assignment, and a base station performing the method | Electricity | 35 | Expired |
| US5666352A | CDMA mobile communication system and method with improved phase correction features | Electricity | 34 | Expired |
| US6647276B1 | Antenna unit and radio base station therewith | Electricity | 34 | Expired |
| US6377613B1 | Communication apparatus for code division multiple accessing mobile communications system | Electricity | 34 | Expired |
| US5930244A | CDMA Communication system and method | Electricity | 30 | Expired |
| US6731905B2 | Fixed wireless access system and apparatus therefor | Electricity | 29 | Expired |
| US6920122B1 | Control method of channel assign | Electricity | 28 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.