Yasuhiro Kawashima
48Patents
11h-index
69Co-inventors
78Inventor score
Filing activity: Jun 24, 1994 → May 7, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5493365A | Operating section for an image forming apparatus | Physics | 40 | Expired |
| US5610725A | Communication system for managing data of resources of image forming unit | Electricity | 30 | Expired |
| US7483818B2 | Structural analysis program, a structural analysis method, a structural analysis apparatus, and a production process of a semiconductor integrated circuit | Physics | 24 | Expired |
| US5996990A | Sheet feeding apparatus | Performing Operations; Transporting | 22 | Expired |
| US5497250A | Document scanning apparatus having a stamp and method for controlling the stamping position | Electricity | 21 | Expired |
| US5504590A | Communication system for managing data of resources of image forming unit | Electricity | 19 | Expired |
| US6005687A | Imaging apparatus having different motors for separating and reading documents | Performing Operations; Transporting | 17 | Expired |
| US6085592A | Ultrasonic sensor and obstruction detector having accurate obstruction detection capabilities | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5951401A | Slave driving force-transmitting mechanism for vehicle | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7398687B2 | Ultrasonic sensor | Performing Operations; Transporting | 12 | Active |
| US6311973A | Paper stacker apparatus used with facsimile device | Performing Operations; Transporting | 12 | Expired |
| US5764371A | Image forming apparatus for indicating completion of scanning for both sides of an orginal document | Electricity | 11 | Expired |
| US7240555B2 | Ultrasonic sensor assembly | Physics | 10 | Expired |
| US6128107A | Image apparatus having different motors for separating and reading documents | Performing Operations; Transporting | 9 | Expired |
| US7357431B2 | Structure for mounting ultrasonic sensor on mounting member | Performing Operations; Transporting | 9 | Expired |
| US7246523B2 | Ultrasonic sensor | Physics | 8 | Expired |
| US6182964A | Paper stacker apparatus used with facsimile device | Performing Operations; Transporting | 8 | Expired |
| US6147781A | Facsimile apparatus capable of removing a stack of recording sheets that have been ejected | Performing Operations; Transporting | 7 | Expired |
| US6067170A | Image forming apparatus for indicating completion of scanning for both sides of an original document | Electricity | 7 | Expired |
| US8177313B2 | Image forming apparatus | Performing Operations; Transporting | 6 | Active |
| US7392705B2 | Ultrasonic sensor | Physics | 6 | Active |
| US7522474B2 | Ultrasonic sensor having compressively deformed spring resiliently attaching sensor body and bezel | Physics | 6 | Active |
| US8411532B2 | Distance sensor for vehicle with electrical connector | Physics | 6 | Active |
| US7419241B2 | Image forming apparatus | Performing Operations; Transporting | 5 | Active |
| US5707293A | Slide type universal joint | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.