Inventor · Osaka, JP

Hiroshi Kagata

51Patents
6h-index
47Co-inventors
72Inventor score

Filing activity: Oct 18, 1988 → Nov 20, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6456172B1 Multilayered ceramic RF device Electricity 47 Expired
US6579817B2 Dielectric ceramic composition and method for producing the same, and device for communication apparatus using the same Electricity 27 Expired
US5036424A Multilayer ceramic capacitive element Emerging Cross-Sectional Technologies 24 Expired
US6822534B2 Laminated electronic component, laminated duplexer and communication device Electricity 18 Expired
US5350639A Dielectric ceramic for use in microwave device, a microwave dielectric ceramic resonator dielectric ceramics Emerging Cross-Sectional Technologies 7 Expired
US4885661A Multi-layer ceramic capacitor Electricity 7 Expired
US5525562A Dielectric ceramic compound Electricity 6 Expired
US5629252A Method for manufacturing a dielectric ceramic composition dielectric ceramic and multilayer high frequency device Electricity 6 Expired
US5219809A Dielectric ceramic composition and dielectric resonator Electricity 5 Expired
US5824616A Dielectric ceramic compositions Electricity 5 Expired
US5929727A Dielectric resonator, method for manufacturing the same, filter and communication apparatus Electricity 5 Expired
US5273944A Dielectric ceramic composition and multilayer mircowave device employing the same Electricity 5 Expired
US6050144A Acceleration sensor Physics 5 Expired
US6346866B2 Dielectric laminated device and its manufacturing method Emerging Cross-Sectional Technologies 5 Expired
US6020798A Dielectric laminated device and its manufacturing method Emerging Cross-Sectional Technologies 5 Expired
US6227051A Acceleration sensor Physics 5 Expired
US6154356A Laminated ceramic device Electricity 5 Expired
US5459115A Composition of dielectric ceramics Electricity 5 Expired
US7283032B2 Static electricity countermeasure component Electricity 4 Expired
US9525365B2 Power-generating device with vibration plate that applies compressive stress to the piezoelectric layer when the vibration plate does not vibrate Electricity 4 Active
US7277003B2 Electrostatic discharge protection component Electricity 4 Expired
US5484753A Dielectric ceramic compositions Electricity 4 Expired
US5094987A Dielectric ceramic composition and multi-layer capacitor Electricity 4 Expired
US6762369B2 Multilayer ceramic substrate and method for manufacturing the same Emerging Cross-Sectional Technologies 4 Expired
US6310525A Dielectric laminated device and its manufacturing method Emerging Cross-Sectional Technologies 4 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.