Hitoshi Tomiyama
24Patents
5h-index
15Co-inventors
66Inventor score
Filing activity: Dec 8, 1976 → Aug 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4104041A | Apparatus and method for treating waste gas from urea prilling tower | Performing Operations; Transporting | 14 | Expired |
| US5909644A | AM radio receiver | Electricity | 10 | Expired |
| US5913155A | Broadcasting signal receiving apparatus and pulse counting demodulators | Electricity | 9 | Expired |
| US5285172A | Current mirror power amplifier with gain controlled by resistor-capacitor network | Electricity | 8 | Expired |
| US8019314B2 | Radio communication apparatus | Electricity | 6 | Active |
| US6242981A | AGC circuit | Electricity | 5 | Expired |
| US6463268B2 | ALC circuit receiver with sensitivity switching for controlling | Electricity | 3 | Expired |
| US6281757A | High frequency signal amplifying circuit and a receiver using the same | Electricity | 3 | Expired |
| US8233864B2 | Signal receiving apparatus, signal receiving method, signal receiving program and signal receiving system | Electricity | 3 | Active |
| US5300826A | Interface circuit for audio signal | Electricity | 3 | Expired |
| US6215829A | Apparatus for selectively receiving carrier wave signals | Electricity | 2 | Expired |
| US6064255A | Pulse counting FM demodulator | Electricity | 1 | Expired |
| US9167185B2 | Transmission and reception apparatus and transmission and reception system | Electricity | 1 | Active |
| US9531417B2 | Receiving circuit, receiving device, and receiving method | Electricity | 1 | Active |
| US10228469B2 | Reception device | Physics | 1 | Active |
| US5838184A | Equivalent variable resistor circuits | Electricity | 1 | Expired |
| US11038462B2 | Semiconductor device and wireless communication apparatus | Electricity | 0 | Active |
| US9729814B2 | Signal processing device and method | Electricity | 0 | Active |
| US9083927B2 | Monitoring camera system and control method for monitoring camera system | Electricity | 0 | Active |
| US10250844B2 | Signal processing device and method | Electricity | 0 | Active |
| US10374849B2 | Signal processing apparatus and method | Electricity | 0 | Active |
| US11340647B2 | Reference voltage generation circuit | Physics | 0 | Active |
| US10333580B2 | Communication apparatus and method for controlling communication apparatus | Electricity | 0 | Active |
| US11463045B2 | Oscillator circuit and radio receiver | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.