Hideki Kawamura
71Patents
11h-index
68Co-inventors
81Inventor score
Filing activity: Mar 28, 1995 → Aug 19, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6906451B2 | Piezoelectric resonator, piezoelectric filter, duplexer, communication apparatus, and method for manufacturing piezoelectric resonator | Emerging Cross-Sectional Technologies | 75 | Expired |
| US7276994B2 | Piezoelectric thin-film resonator, piezoelectric filter, and electronic component including the piezoelectric filter | Electricity | 52 | Expired |
| US7002437B2 | Piezoelectric thin-film resonator, piezoelectric filter, and electronic component including the piezoelectric filter | Electricity | 51 | Expired |
| US5892207A | Heating and cooling apparatus for reaction chamber | Electricity | 50 | Expired |
| US6067256A | Static semiconductor memory device operating at high speed under lower power supply voltage | Physics | 42 | Expired |
| US5698778A | Throttle valve opening sensor | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6575663B2 | Advanced containment system | Fixed Constructions | 20 | Expired |
| US7535154B2 | Piezoelectric thin-film resonator | Electricity | 19 | Active |
| US6630625B1 | Wire harness and method of manufacturing the same | Electricity | 14 | Expired |
| US9627605B2 | Displacement sensor having a piezoelectric layer comprising polylactic acid, displacement detecting device and operation device having the same | Electricity | 13 | Active |
| US6694959B1 | Ignition and injection control system for internal combustion engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7240410B2 | Method for manufacturing a piezoelectric resonator | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5963490A | Static semiconductor memory device having a variable power supply voltage applied to a memory cell depending on the state in use and method of testing the same | Physics | 10 | Expired |
| US6851890B2 | Advanced containment system | Fixed Constructions | 9 | Expired |
| US8861755B2 | Piezoelectric speaker | Electricity | 8 | Active |
| US7106148B2 | Branching filter and communication device | Electricity | 8 | Expired |
| US9231330B2 | Electrical connection box | Electricity | 7 | Active |
| US6903496B2 | Piezoelectric filter and electronic component including the same | Electricity | 6 | Expired |
| US6215207A | Torque motor having uniform torque output characteristics | Electricity | 5 | Expired |
| US5623960A | Solenoid-operated valve for thermally insulated piping and attachment construction therefor | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7636027B2 | Piezoelectric resonator and piezoelectric thin-film filter | Electricity | 4 | Active |
| US7304551B2 | Branching filter and communication device | Electricity | 4 | Expired |
| US9145099B2 | Electric junction box | Performing Operations; Transporting | 4 | Active |
| US10197460B2 | Piezoelectric sensor including a sensor unit having a first adhesive layer with different properties than a second adhesive layer | Electricity | 4 | Active |
| US6896446B2 | Advanced containment system | Fixed Constructions | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.