Shoichi Kitazawa
17Patents
8h-index
17Co-inventors
61Inventor score
Filing activity: Jul 15, 1997 → Oct 28, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6222431A | Balanced dielectric filter | Electricity | 57 | Expired |
| US6586786B2 | High frequency switch and mobile communication equipment | Electricity | 57 | Expired |
| US6603372B1 | Laminated notch filter and cellular phone using the same | Electricity | 47 | Expired |
| US6147571A | Dual-band multilayer bandpass filter | Electricity | 35 | Expired |
| US6140891A | Dielectric laminated filter | Electricity | 15 | Expired |
| US6177853A | Multilayer filter with electrode patterns connected on different side surfaces to side electrodes and input/output electrodes | Electricity | 15 | Expired |
| US6445266B1 | Multilayer filter having varied dielectric constant regions | Electricity | 12 | Expired |
| US6835968B2 | High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment | Electricity | 9 | Expired |
| US6020798A | Dielectric laminated device and its manufacturing method | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6346866B2 | Dielectric laminated device and its manufacturing method | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6310525A | Dielectric laminated device and its manufacturing method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6359531B1 | Multilayer filter with electrode patterns connected on different side surfaces to side electrodes and input/output electrodes | Electricity | 3 | Expired |
| US6941650B2 | Method for manufacturing dielectric laminated device | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7054608B2 | Multilayer electronic component and communication apparatus and method | Electricity | 1 | Expired |
| US6510607B1 | Method for forming a dielectric laminated device | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6765460B2 | Dielectric laminated device including a buried electric conductive member to form a strip line and its method of manufacture | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7109531B2 | High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.