Jun Ishii
151Patents
14h-index
156Co-inventors
89Inventor score
Filing activity: Feb 13, 1979 → Jul 8, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10037758B2 | Device and method for understanding user intent | Physics | 183 | Active |
| US8868431B2 | Recognition dictionary creation device and voice recognition device | Physics | 57 | Active |
| US5623399A | Inverter apparatus having capacitors mounted proximal to associated switching circuits | Electricity | 48 | Expired |
| US7923644B2 | Printed circuit board and method of manufacturing the same | Emerging Cross-Sectional Technologies | 47 | Active |
| US4706795A | Coin discriminator | Physics | 44 | Expired |
| US8040107B2 | Battery charger, secondary battery unit and electric apparatus equipped therewith | Electricity | 41 | Active |
| US6223159A | Speaker adaptation device and speech recognition device | Physics | 29 | Expired |
| US7629539B2 | Wired circuit board | Electricity | 26 | Active |
| US7605323B2 | Ensemble system, audio playback apparatus and volume controller for the ensemble system | Physics | 22 | Active |
| US5530198A | Piano-like keyboard musical instrument for automatically playing music through feedback control with key acceleration and key velocity | Physics | 21 | Expired |
| US5652399A | Automatic player piano and estimator for acceleration of depressed key incorporated in the automatic player piano | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5247587A | Peak data extracting device and a rotary motion recurrence formula computing device | Physics | 17 | Expired |
| US5651092A | Method and apparatus for speech encoding, speech decoding, and speech post processing | Physics | 15 | Expired |
| US4706202A | Control system of a vending machine | Physics | 15 | Expired |
| US7863513B2 | Synchronous playback system for reproducing music in good ensemble and recorder and player for the ensemble | Physics | 14 | Expired |
| US5714702A | Pedal controlling system and method of controlling pedal for recording and reproducing pedal action | Physics | 14 | Expired |
| US5164532A | Performance state detecting unit of player piano system | Physics | 14 | Expired |
| USD564018S1 | Document feeder for electronic copying machine | General | 14 | Expired |
| US5586118A | Data transmission method and system therefor | Electricity | 13 | Expired |
| US7026537B2 | Multiplexing system for digital signals formatted on different standards, method used therein, demultiplexing system, method used therein computer programs for the methods and information storage media for storing the computer programs | Physics | 13 | Expired |
| US5659702A | Data transmission method and system therefor | Electricity | 13 | Expired |
| US4445054A | Full-wave rectifying circuit | Electricity | 13 | Expired |
| US7182606B2 | Wired circuit board | Electricity | 12 | Expired |
| US4881630A | Coin discriminating apparatus | Physics | 11 | Expired |
| US5220615A | Apparatus for and method of hough-converting coordinate data | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.