Takekazu Okada
22Patents
11h-index
24Co-inventors
71Inventor score
Filing activity: May 2, 1990 → Mar 8, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5068629A | Nonreciprocal circuit element | Electricity | 26 | Expired |
| US6808405B1 | Coaxial connector and communication device | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5159294A | Non-reciprocal circuit element | Electricity | 22 | Expired |
| US5525953A | Multi-plate type high frequency parallel strip-line cable comprising circuit device part integratedly formed in dielectric body of the cable | Electricity | 22 | Expired |
| US5701128A | Antenna-integrated strip line cable | Electricity | 21 | Expired |
| US6393698B1 | Coaxial connector and method of manufacturing thereof | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6222425A | Nonreciprocal circuit device with a dielectric film between the magnet and substrate | Electricity | 15 | Expired |
| US6068499A | Coaxial connector and method of manufacturing thereof | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5523725A | Signal-to-noise enhancer | Electricity | 13 | Expired |
| US5923228A | Magnetostatic wave distributor, synthesizer and S/N enhancer | Electricity | 11 | Expired |
| US5469130A | High frequency parallel strip line cable comprising connector part and connector provided on substrate for connecting with connector part thereof | Electricity | 11 | Expired |
| US6420941B2 | Nonreciprocal circuit device | Electricity | 11 | Expired |
| US5663698A | Magnetostatic wave device having slanted end portions | Electricity | 4 | Expired |
| US6597252B1 | Nonreciprocal circuit device with series and parallel matching capacitors at different ports | Electricity | 3 | Expired |
| US5781079A | Magnetostatic wave device | Electricity | 3 | Expired |
| US5745014A | Nonreciprocal circuit element | Electricity | 3 | Expired |
| US6559732B2 | Nonreciprocal circuit device with main surfaces of the ferrite and magnet perpendicular to the mounting substrate | Electricity | 2 | Expired |
| US5838209A | Nonreciprocal junction circuit element having different conductor intersecting angles | Electricity | 2 | Expired |
| US5345204A | Magnetostatic wave resonator having at least one ring conductor | Electricity | 1 | Expired |
| US5283541A | Magnetostatic wave device having a multi-portion holder | Electricity | 1 | Expired |
| US6118349A | Nonreciprocal circuit device | General | 0 | Revoked |
| US6819198B2 | Nonreciprocal circuit device and high-frequency circuit apparatus | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.