Akira Takeyama
7Patents
5h-index
19Co-inventors
60Inventor score
Filing activity: Aug 22, 1983 → Nov 21, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4542496A | Loop transmission system and method of controlling the loop-back condition thereof | Electricity | 45 | Expired |
| US5140582A | Packet switching system having bus matrix switch | Electricity | 29 | Expired |
| US9438061B2 | Controlling charging current supplied to plurality of cell modules connected in parallel | Emerging Cross-Sectional Technologies | 24 | Active |
| US7075932B2 | Communication device for selecting route of packet | Electricity | 20 | Expired |
| US8560667B2 | Analysis method and apparatus | Physics | 8 | Active |
| US7450584B2 | Network repeater apparatus, network repeater method and network repeater program | Electricity | 1 | Expired |
| US7970584B2 | Performance abnormality analysis apparatus, method, and program, and analysis result display method for performance abnormality analysis apparatus | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.