Masaru Katayama
16Patents
4h-index
27Co-inventors
60Inventor score
Filing activity: Jul 13, 2000 → Jan 19, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7313094B2 | Node, an optical/electrical path integrated network using the node, and a program which controls the node | Electricity | 9 | Expired |
| US7630649B2 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Electricity | 6 | Expired |
| US10951344B2 | Optical transmitter, optical receiver, and optical transmission system | Electricity | 6 | Active |
| US7720390B2 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Electricity | 4 | Active |
| US8909042B2 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Electricity | 4 | Active |
| US8239565B2 | Flow record restriction apparatus and the method | Emerging Cross-Sectional Technologies | 3 | Active |
| US8081881B2 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Electricity | 3 | Active |
| US6523632B1 | Vehicle equipped with turning mechanism | Performing Operations; Transporting | 3 | Expired |
| US6378641B1 | Vehicle equipped with turning mechanism | Performing Operations; Transporting | 3 | Expired |
| US9883262B2 | Optical network system, optical switch node, master node, and node | Electricity | 2 | Active |
| US7894368B2 | OVPN system, OVPN terminating device, collective controlling device, and optical communication network | Electricity | 0 | Active |
| US8009994B2 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | General | 0 | Revoked |
| US11206086B2 | Optical transceiver | Electricity | 0 | Active |
| US12088689B2 | Data acquisition device and data acquisition method | Electricity | 0 | Active |
| US11251868B2 | Dispersion compensation system and dispersion compensation method | Electricity | 0 | Active |
| US12388676B2 | Data transfer device, data processing device and data processing method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.