Hiroaki Yoshida
190Patents
26h-index
364Co-inventors
93Inventor score
Filing activity: Apr 26, 1985 → May 6, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5696389A | Light-emitting semiconductor device | Electricity | 455 | Expired |
| US6303405A | Semiconductor light emitting element, and its manufacturing method | Electricity | 241 | Expired |
| US6972080B1 | Electrochemical device for moving particles covered with protein | Physics | 235 | Expired |
| US5347457A | Method and apparatus for controlling vehicle suspension such that suspension characteristics are changed at a point in time when a vehicle wheel reaches a road surface irregularity detected in front of the vehicle | Performing Operations; Transporting | 135 | Expired |
| US7941776B2 | Method of IC design optimization via creation of design-specific cells from post-layout patterns | Physics | 123 | Active |
| US5276624A | Turning control apparatus for vehicle | Performing Operations; Transporting | 80 | Expired |
| US5109354A | Electronic system pocketbook apparatus | Physics | 74 | Expired |
| US5566072A | Method and apparatus for estimating a road traffic condition and method and apparatus for controlling a vehicle running characteristic | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5365439A | Method and apparatus for detecting friction coefficient of road surface, and method and system for four-wheel steering of vehicles using the detected friction coefficient of road surface | Performing Operations; Transporting | 64 | Expired |
| US5197008A | System for controlling the output power of a motor vehicle | Performing Operations; Transporting | 62 | Expired |
| US6033041A | Regenerative braking control system for electric vehicle | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5483446A | Method and apparatus for estimating a vehicle maneuvering state and method and apparatus for controlling a vehicle running characteristic | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6242764A | III-N semiconductor light-emitting element having strain-moderating crystalline buffer layers | Electricity | 57 | Expired |
| US6057565A | Semiconductor light emitting device including a non-stoichiometric compound layer and manufacturing method thereof | Electricity | 54 | Expired |
| US5927829A | Brake apparatus for electric automobile utilizing regenerative braking | Performing Operations; Transporting | 44 | Expired |
| US5450322A | Suspension control system for automotive vehicle | Performing Operations; Transporting | 42 | Expired |
| US5513108A | System for controlling suspension in accordance with road conditions | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6447949B2 | Battery having electrolyte injecting plug | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5513720A | Power steering apparatus for vehicle | Performing Operations; Transporting | 38 | Expired |
| US6409288B1 | Braking force controlling apparatus | Performing Operations; Transporting | 37 | Expired |
| US5895909A | Card and device for processing of same | Physics | 36 | Expired |
| US6040086A | Nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5669046A | Transmission/coupling device and image forming apparatus having same | Physics | 31 | Expired |
| US5933690A | Toner recovery device | Physics | 30 | Expired |
| US6674265B2 | Operation method for secondary battery and secondary battery device | Emerging Cross-Sectional Technologies | 29 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.