Wataru Yasuda
13Patents
11h-index
14Co-inventors
65Inventor score
Filing activity: Feb 16, 1983 → Oct 7, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4564285A | Developing device having dispersed floating electrodes in a dielectric layer | Physics | 40 | Expired |
| US5749022A | Charging apparatus and method for use in image forming device | Physics | 24 | Expired |
| US4528937A | Device for forming a developer film | Performing Operations; Transporting | 21 | Expired |
| US4656964A | Developing device | Physics | 20 | Expired |
| US4624545A | Developing device with regulated developer supply | Physics | 19 | Expired |
| US4575220A | Developing device | Physics | 19 | Expired |
| US4561381A | Voltage-controlled developing device | Physics | 17 | Expired |
| US5678129A | Image forming apparatus with contact type charging member | Physics | 15 | Expired |
| US4674439A | Developing device | Physics | 13 | Expired |
| US4896625A | Developing device | Physics | 12 | Expired |
| US4625676A | Developing device | Physics | 11 | Expired |
| US5258248A | Image density control method for an image forming apparatus | Physics | 7 | Expired |
| US5028960A | Image density control method for an image forming apparatus | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.