Kenzo Ariyama
32Patents
14h-index
51Co-inventors
84Inventor score
Filing activity: Feb 15, 1974 → Jun 2, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4905047A | Wet type image forming apparatus | Physics | 45 | Expired |
| US4800839A | Developing device for electrophotographic color copier | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4985733A | Image fixing unit for use in wet-type electrophotographic copying machine | Physics | 41 | Expired |
| US4640605A | Apparatus for forming multicolor electrophotographic images through wet-type developing process | Physics | 38 | Expired |
| US5359398A | Electrophotographic copier with a developing device using a liquid developer | Physics | 37 | Expired |
| US5021834A | Wet-type image formation apparatus | Physics | 33 | Expired |
| US5642188A | Wet-type electrophotographic image formation method | Physics | 30 | Expired |
| US4860050A | Developing replenisher material for use in image forming device | Physics | 25 | Expired |
| US4417800A | Image transfer material separation apparatus for electrophotographic copying machine | Physics | 23 | Expired |
| US5384225A | Liquid developer for latent electrostatic images | Physics | 23 | Expired |
| US5463453A | Wet-type image formation apparatus | Physics | 23 | Expired |
| US4181425A | Apparatus for cleaning photosensitive member | Physics | 19 | Expired |
| US4059394A | Heat fixing apparatus for use in a wet electrophotographic copying machine | Physics | 15 | Expired |
| US4411511A | Image transfer material separation and transportation apparatus for electrophotographic copying apparatus | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4474456A | Device for heat-fixing a toner image | Physics | 13 | Expired |
| US3936045A | Sheet stripping device for copying apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4056315A | Squeeze roller retraction assembly | Physics | 13 | Expired |
| US5957700A | Writing board | Performing Operations; Transporting | 12 | Expired |
| US4214832A | Electrostatic copying machine comprising improved document scanning means | Physics | 11 | Expired |
| US4423134A | Developing unit for electrophotography | Physics | 11 | Expired |
| US3951934A | Polymerization of acrylamide in the presence of water-soluble nitrogen compounds | Chemistry; Metallurgy | 10 | Expired |
| US4454210A | Electrophotographic reproduction of a three-dimensional object | Physics | 9 | Expired |
| USRE34437E | Apparatus for forming multicolor electrophotographic images through wet-type developing process | General | 9 | Expired |
| US4294535A | Electrostatic copying apparatus | Physics | 9 | Expired |
| US5142122A | Fixing device for image forming equipment | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.