Tomohiro Otani
28Patents
7h-index
26Co-inventors
69Inventor score
Filing activity: Jun 26, 1996 → Apr 4, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6532091B1 | Optical digital regenerator | Electricity | 49 | Expired |
| US6327060A | Optical transmission system, optically branching apparatus and optical signal processing apparatus | Electricity | 48 | Expired |
| US6115156A | Demultiplexer device for wavelength-division multiplexed optical fiber communication | Electricity | 18 | Expired |
| US7500471B2 | Pressure accumulation-type fuel injection device and internal combustion engine provided with this pressure accumulation-type fuel injection device | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5978122A | Noise suppression method for wavelength division multiplexing transmission system | Electricity | 12 | Expired |
| US7151893B2 | Data transmission system, transmission method of optical network monitor control signal, and node | Electricity | 9 | Expired |
| US7491864B2 | Absorbent article for body fluids and production method thereof | Human Necessities | 9 | Expired |
| US6798558B2 | Optical clock multiplier and method thereof | Physics | 4 | Expired |
| US7035552B2 | Optical reception apparatus and optical transmission system | Electricity | 4 | Expired |
| US6782201B2 | Four fiber ring network optical switching circuit using branched inputs | Electricity | 4 | Expired |
| US7784281B2 | Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9644567B2 | Engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US7661411B2 | Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6741810B2 | Signal demultiplexing device and signal routing device in high speed transmission system | Electricity | 2 | Expired |
| US7540275B2 | Accumulator-type fuel injection apparatus and internal combustion engine provided with that accumulator-type fuel injection apparatus | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US10271905B2 | Patient-specific virtual intervention laboratory to prevent stroke | Physics | 1 | Active |
| US8126638B2 | Engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7116914B2 | Optical signal regenerator | Electricity | 1 | Expired |
| US7467039B2 | Revolution control apparatus for an internal combustion engine, and internal combustion engine provided with that revolution control apparatus | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US9915213B2 | Engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US8494752B2 | Engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7480458B2 | Link system for photonic cross connect and transmission apparatus | Electricity | 0 | Active |
| US7747167B2 | Wavelength service providing apparatus in all-optical network | Electricity | 0 | Active |
| US8254782B2 | Optical signal quality monitoring apparatus | Electricity | 0 | Active |
| US7753030B2 | Accumulator-type fuel injection apparatus and internal combustion engine provided with that accumulator-type fuel injection apparatus | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.