Masashi Takeda
52Patents
11h-index
96Co-inventors
81Inventor score
Filing activity: May 20, 1974 → Nov 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4789847A | Filter connector | Electricity | 81 | Expired |
| US4434408A | Oscillator having capacitor charging and discharging controlled by non-saturating switches | Electricity | 77 | Expired |
| US9798144B2 | Wearable image display device to control display of image | Electricity | 42 | Active |
| US6684127B2 | Method of controlling behaviors of pet robots | Human Necessities | 38 | Expired |
| US6681033B1 | Capacitance detecting apparatus and its inspecting method and fingerprint checking apparatus | Physics | 30 | Expired |
| US4258299A | Apparatus for controlling the speed and direction of rotation of a DC motor | Physics | 22 | Expired |
| US3942039A | Distortionless FET switching circuit | Electricity | 20 | Expired |
| US5487364A | Piston for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6820112B1 | Information processing system, information processing method and apparatus, and information serving medium | Electricity | 12 | Expired |
| US4599599A | Analog-to-digital converter | Electricity | 12 | Expired |
| US4514787A | Electronic component series | Electricity | 12 | Expired |
| US4559522A | Latched comparator circuit | Electricity | 11 | Expired |
| US4714841A | Double-sided logic input differential switch | Electricity | 11 | Expired |
| US6710734B2 | Parallel AD converter | Electricity | 11 | Expired |
| US10228895B2 | Image display device, image display method, and computer program | Physics | 10 | Active |
| US4739304A | Digital-to-analog converting system | Electricity | 8 | Expired |
| US8356446B2 | Capsule room unit and two-level installation structure thereof | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US7222076B2 | Speech output apparatus | Physics | 6 | Expired |
| US4539553A | Digital-to-analog converter of the current-adding type | Electricity | 6 | Expired |
| US6104626A | Analog value memory circuit | Physics | 6 | Expired |
| US4404546A | Digital-to-analog converter | Electricity | 5 | Expired |
| US5510654A | Semiconductor device and method of fabricating same | Electricity | 5 | Expired |
| US4568910A | Analog-to-digital converter | Electricity | 5 | Expired |
| US5683092A | Cylinder head gasket with areas of relatively high rigidity | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US3999125A | Peak detector having signal rise-time enhancement | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.