Hisao Koga
74Patents
12h-index
40Co-inventors
84Inventor score
Filing activity: Oct 12, 1999 → Oct 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8295301B2 | Managing coexistence among signaling protocols on a shared medium | Electricity | 226 | Active |
| US8072323B2 | Power-line carrier communication apparatus | Electricity | 225 | Active |
| US7912377B2 | Visible light communication apparatus and visible light communication method | Electricity | 93 | Active |
| US8004112B2 | Communication apparatus, communication system, image capture apparatus, video capture apparatus, and setting method thereof | Electricity | 74 | Active |
| US7498935B2 | Power-line carrier communication apparatus | Electricity | 26 | Expired |
| US7023324B2 | Power-line carrier communication apparatus | Electricity | 22 | Expired |
| US6944232B2 | Receiving apparatus and method for digital multi-carrier transmission | Electricity | 20 | Expired |
| US6577686B1 | Receiver | Electricity | 20 | Expired |
| US7609681B2 | Communication apparatus and coexistence method for enabling coexistence of communication systems | Electricity | 17 | Active |
| US7684502B2 | Communication network system, and transmission/reception apparatus, method and integrated circuit for use therein | Electricity | 15 | Active |
| US9045048B2 | Charging control apparatus, charging system, and charging control method | Emerging Cross-Sectional Technologies | 13 | Active |
| US8913629B2 | Managing coexistence on a shared power line medium | Electricity | 13 | Active |
| US7302240B2 | Communication apparatus | Electricity | 12 | Expired |
| US8040235B2 | Relay apparatus and electric appliance | Electricity | 10 | Active |
| US8121202B2 | Power-line communication method, power-line communication device, and power-line communication system | Electricity | 8 | Active |
| US7218679B2 | Communication apparatus and communication method | Electricity | 8 | Expired |
| US7800491B2 | Power-line carrier communication apparatus | Electricity | 6 | Active |
| US7627304B2 | Power line communication apparatus and power line communication method | Electricity | 5 | Active |
| US7660365B2 | Communications device and communications method | Electricity | 5 | Active |
| US7529308B2 | Communication apparatus and communication method using digital wavelet multi carrier transmission system | Electricity | 3 | Active |
| US7953105B2 | Communication apparatus enabling temporal coexistence of systems | Electricity | 3 | Active |
| US8819528B2 | Encoder, decoder, and encoding method | Electricity | 3 | Active |
| US7164724B2 | Communication apparatus | Electricity | 3 | Expired |
| US7912139B2 | Multi-carrier communication apparatus, power line communication circuit, and multi-carrier communication method | Electricity | 3 | Active |
| US8565292B2 | Communication apparatus, integrated circuit, and communication method | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.