Akira Yasuda
91Patents
18h-index
117Co-inventors
87Inventor score
Filing activity: Nov 12, 1980 → Jul 10, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6085238A | Virtual LAN system | Electricity | 703 | Expired |
| US4679077A | Visual Image sensor system | Emerging Cross-Sectional Technologies | 188 | Expired |
| US5054103A | Picture encoding system | Electricity | 167 | Expired |
| US6498929B1 | Receiver having DC offset decreasing function and communication system using the same | Electricity | 76 | Expired |
| US6181740A | Sampling system | Electricity | 50 | Expired |
| USD600551S1 | Packaging label | General | 44 | Expired |
| USD599657S1 | Packaging label | General | 38 | Expired |
| US5445923A | Laser beam absorbing resin composition and laser beam marking method | Emerging Cross-Sectional Technologies | 38 | Expired |
| USD607323S1 | Packaging label | General | 38 | Expired |
| US5841388A | A/D converter apparatus with frequency conversion function and radio apparatus using the same | Electricity | 34 | Expired |
| US5578120A | Laser beam absorbing resin composition, coloring material therefor and laser bean marking method | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4387290A | Anti-freezing system for a windshield-wiper | Performing Operations; Transporting | 33 | Expired |
| US5422383A | Laser beam absorbing resin composition, coloring material therefor and laser beam marking method | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5101205A | A/D converter including error correction for a local D/A converter | Electricity | 26 | Expired |
| US8306244B2 | Digital speaker driving apparatus | Electricity | 26 | Active |
| US5590155A | Equipment for generating a transmit signal from first and second digital signals | Electricity | 21 | Expired |
| US6281828A | Analog/digital converter apparatus | Electricity | 19 | Expired |
| US4423828A | Goods discharge mechanism and goods storage and discharge system of automatic vending machine | Physics | 18 | Expired |
| US5963158A | Current amplifier and current mode analog/digital converter using the same | Electricity | 16 | Expired |
| US5872532A | Selection apparatus | Electricity | 16 | Expired |
| US5416457A | Lateral orientation anisotropic magnet | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6542799B2 | Vehicle trouble diagnosis method, vehicle trouble diagnosis apparatus and computer-readable record medium recording trouble diagnosis program | Electricity | 14 | Expired |
| US8423165B2 | Digital/analogue conversion apparatus | Electricity | 13 | Active |
| US4703347A | Individuality discriminating system | Physics | 12 | Expired |
| US9226053B2 | Digital speaker driving apparatus | Electricity | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.