Ryoji Nishimura
36Patents
7h-index
62Co-inventors
72Inventor score
Filing activity: Jan 22, 1980 → Feb 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4854890A | Shielded electrical connector | Emerging Cross-Sectional Technologies | 26 | Expired |
| USD365846S | Toner cartridge | General | 24 | Expired |
| US4367004A | Electrical connector | Electricity | 16 | Expired |
| US5814772A | Weighing apparatus with weight detecting conveyor | Physics | 15 | Expired |
| US6658223B2 | Toner seal for a cleaning device | Physics | 11 | Expired |
| US5479756A | Apparatus integrating system | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5340694A | Silver halide photographic material | Physics | 8 | Expired |
| US5161994A | Edge connector and board latching device for a connector | Electricity | 7 | Expired |
| US5965343A | Silver halide photographic emulsion, method for producing thereof, and light-sensitive material using the same | Physics | 6 | Expired |
| US7368230B2 | Silver halide photographic material and image-forming method using the same | Physics | 5 | Active |
| US5374203A | Edge connector and board latching device for a connector | Electricity | 5 | Expired |
| US5719355A | Combinational weighing method and apparatus | Physics | 4 | Expired |
| US9158232B2 | Developer container, developing device including developer container, and image forming apparatus including developing device | Physics | 4 | Active |
| US8699925B2 | Developing device and image forming apparatus including the same | Physics | 4 | Active |
| US5995799A | Image forming machine toner replenishing device capable of agitating the toner to avoid toner stagnation | Physics | 3 | Expired |
| US8494400B2 | Developing device with moveable flexible sheet for preventing toner deposition on developing device casing and image forming apparatus including the same | Physics | 3 | Active |
| US7447468B2 | Developing device and image forming device having the same | Physics | 3 | Active |
| US5893010A | Toner density controlling method and apparatus | Physics | 2 | Expired |
| US7463846B2 | Photosensitive drum | Physics | 2 | Active |
| US8883045B2 | Metal nanowire-containing composition, and transparent conductor | Emerging Cross-Sectional Technologies | 2 | Active |
| US6718153B2 | Developing device for preventing thickening of the developer at both ends of a sleeve | Physics | 2 | Expired |
| US7216010B2 | Article manufacturing apparatus | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9046815B2 | Developing device and image forming apparatus provided therewith | Physics | 1 | Active |
| US8855528B2 | Developer transporting mechanism, developing device with the same, and image forming apparatus | Physics | 1 | Active |
| US7592133B2 | Silver halide photographic material and image forming method using the same | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.