Kojiro Hamabe
171Patents
19h-index
36Co-inventors
86Inventor score
Filing activity: Feb 27, 1992 → Apr 25, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5475864A | High-cross correlation dynamic channel assignment for sectorized cells | Electricity | 99 | Expired |
| US6026081A | Method of controlling power on forward link in a cellular | Electricity | 89 | Expired |
| US5491833A | Mobile radio communication system having radio zones of sector configurations and antenna selecting method employed therein | Emerging Cross-Sectional Technologies | 72 | Expired |
| US6993294B2 | Mobile communication system, communication control method, base station and mobile station to be used in the same | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5507008A | Channel assignment method in mobile communication system in which channel which meets predetermined criteria is channel selected | Electricity | 64 | Expired |
| US5603082A | Channel allocation system for communication systems and an apparatus thereof | Electricity | 63 | Expired |
| US6978150B2 | Apparatus and method for transmission power balance adjustment in a mobile cellular system | Electricity | 56 | Expired |
| US5319795A | Cellular mobile communications system using frequencies commonly shared by neighboring cells for handoff operations | Electricity | 53 | Expired |
| US6070084A | Cellular system | Electricity | 51 | Expired |
| US6963753B1 | Transmission power control method and transmission power control apparatus in mobile communication system | Electricity | 46 | Expired |
| US6351651B1 | Method of controlling transmission power in a cellular type mobile communication system | Electricity | 42 | Expired |
| US6574456B2 | Method of preventing interference of adjacent frequencies in a cellular system by selection between adjacent carrier frequency and non-adjacent carrier frequency | Electricity | 39 | Expired |
| US6201972A | Cellular system and frequency carrier allocation method | Electricity | 37 | Expired |
| US5613200A | Method of allocating radio channels for mobile communication system | Electricity | 37 | Expired |
| US5396649A | Channel assignment method in a mobile communication system using channel selection order determined by transmission power level | Electricity | 31 | Expired |
| US7403789B2 | Synchronization establishment between a mobile station and base station system and method used for them | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6405021B1 | Method of controlling transmission power in cellular system and base station apparatus | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6823187B2 | Adjacent carrier frequency interference avoiding method for a mobile station | Electricity | 20 | Expired |
| US8369286B2 | Radio communication system and method | Electricity | 20 | Active |
| US6985752B2 | Mobile communications system, base station, mobile station, threshold setting method and storage medium having program recorded therein | Electricity | 17 | Expired |
| US7356022B2 | Mobile communication system, mobile station, base station, and packet communication method used therefor | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7346034B2 | Cellular system, mobile station, base station and transmission power control method as well as program to be executed for implementing the method | Electricity | 16 | Expired |
| US6539226B1 | Base station transmission power control system mobile station and base station | Electricity | 16 | Expired |
| US6771965B2 | Communication control method in mobile communication system and base station used therefor | Electricity | 15 | Expired |
| US7050761B2 | Mobile communication system, transmission mode switching method, and recording medium having transmission mode switching method recorded thereon | Electricity | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.