Hiroyuki Fukuma
12Patents
3h-index
11Co-inventors
57Inventor score
Filing activity: Feb 4, 1988 → Nov 19, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7818482B2 | Amplifier connected to and identifying plurality of content reproducing devices with respective audio speakers | Physics | 7 | Active |
| US5270249A | Fabrication process of a semiconductor device having a reduced parasitic capacitance | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7466363B2 | AV system including amplifier and content reproducing device with connection-based on screen display | Electricity | 4 | Active |
| US4799089A | Semiconductor memory device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8253618B2 | Remote controller | Physics | 1 | Active |
| US7683920B2 | Image sending/receiving device | Electricity | 1 | Active |
| US9270243B2 | Volume control system, controller program of the volume control system, and audio output device of the volume control system | Electricity | 0 | Active |
| US9843633B2 | Network device and information sharing system | Electricity | 0 | Active |
| US8184958B2 | Audio-video player and event determination device | Electricity | 0 | Active |
| US8618403B2 | Tone control apparatus | Electricity | 0 | Active |
| US8781406B2 | Receiving apparatus | Electricity | 0 | Active |
| US7548494B2 | Audio system, and disc reproduction device and audio output control device for use therein | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.