Kanji Tanaka
38Patents
8h-index
49Co-inventors
75Inventor score
Filing activity: Nov 2, 1978 → May 14, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7478963B2 | Binding device | Performing Operations; Transporting | 32 | Expired |
| US6320695A | Optical amplifying apparatus | Electricity | 21 | Expired |
| US6404946B1 | Arrayed waveguide grating type optical multiplexer/demultiplexer | Physics | 14 | Expired |
| US6418249B1 | Optical multiplexer/demultiplexer | Physics | 13 | Expired |
| US4792369A | Copper wires used for transmitting sounds or images | Chemistry; Metallurgy | 11 | Expired |
| US4225767A | Microwave oven having uneven bottom wall oven cavity | Electricity | 10 | Expired |
| US6567587B2 | Dispersion compensator and dispersion-compensating module employing the same | Physics | 9 | Expired |
| US4587500A | Variable reactance circuit producing negative to positive varying reactance | Electricity | 8 | Expired |
| US6769817B2 | Optical fiber module | Physics | 7 | Expired |
| US4874436A | Method for producing high purity electrolytic copper | Chemistry; Metallurgy | 7 | Expired |
| US4399325A | Demodulating circuit for controlling stereo separation | Electricity | 6 | Expired |
| US4809328A | FM/FMX stereophonic receiver | Electricity | 6 | Expired |
| US6735364B2 | Arrayed waveguide grating optical multiplexer/demultiplexer and method for manufacturing the same | Physics | 6 | Expired |
| US6393170B1 | Optical multiplexer/demultiplexer | Physics | 6 | Expired |
| USD591344S1 | Binder | General | 5 | Expired |
| US6826332B2 | Arrayed waveguide grating and its method for correcting center wavelength | Physics | 4 | Expired |
| US6584270B2 | Fixed component and optical component employing the same | Physics | 3 | Expired |
| US8064742B2 | Light input/output terminal module of the optical components and beam converting apparatus | Physics | 3 | Active |
| US4707856A | AM stereo receiver | Electricity | 3 | Expired |
| US4852167A | FMX stereophonic receiver | Electricity | 3 | Expired |
| US7874758B2 | Binding device | Emerging Cross-Sectional Technologies | 2 | Active |
| US6415072B1 | Optical wavelength multiplexing and dividing device | Physics | 2 | Expired |
| US9343865B2 | Laser device | Electricity | 1 | Active |
| US6830384B2 | Optical fiber module | Physics | 1 | Expired |
| US4757539A | Apparatus and method for decoding an AM stereo broadcasting signal of an independent sideband system | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.