Eiji Yamaguchi
54Patents
17h-index
92Co-inventors
87Inventor score
Filing activity: Apr 21, 1988 → Feb 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5718763A | Resist processing apparatus for a rectangular substrate | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5659329A | Electron source, and image-forming apparatus and method of driving the same | Electricity | 63 | Expired |
| US6280610A | Hydrotreating catalyst: composition, preparation, and use thereof | Chemistry; Metallurgy | 58 | Expired |
| US5610897A | Optical information reproducing apparatus | Physics | 57 | Expired |
| US6879096B1 | Image formation apparatus | Electricity | 39 | Expired |
| US5654607A | Image forming device and method including surface-conduction electron emitting devices and an electrode array for generating an electron beam | Electricity | 38 | Expired |
| US5593335A | Method of manufacturing an electron source | Electricity | 37 | Expired |
| US5928390A | Vertical processing apparatus | Electricity | 33 | Expired |
| US5365535A | Semiconductor laser and beam splitting devices, and optical information recording/reproducing, optical communication, and optomagnetic recording/reproducing apparatuses using semiconductor laser and beam splitting devices | Electricity | 32 | Expired |
| US5786117A | Medium and related method and apparatus for recording and reproducing information in cells using multiple interference | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7737617B2 | Image formation apparatus having getters spacers and wires | Electricity | 30 | Active |
| US6854851B2 | Projection display | Physics | 29 | Expired |
| US5468709A | Catalysts for hydrotreating hydrocarbon oils and method of preparing the same | Performing Operations; Transporting | 26 | Expired |
| US5539718A | Optical head for controlling light irradiation in a magneto-optical recording and/or reproducing apparatus | Physics | 19 | Expired |
| US5329517A | Optical information recording and reproducing apparatus utilizing a plurality of recording light spots | Physics | 19 | Expired |
| US7323814B2 | Image formation apparatus having fluorescent material and black material | Electricity | 17 | Active |
| US5450376A | Optical information recording/reproduction apparatus with super-resolution optical filter | Physics | 17 | Expired |
| US6144350A | Electron generating apparatus, image forming apparatus, and method of manufacturing and adjusting the same | Electricity | 16 | Expired |
| US7157850B2 | Image formation apparatus having electrically conductive spacer and external frame | Electricity | 16 | Expired |
| US4982393A | Information recording and/or reproducing apparatus provided with means for detecting abnormality of tracking servo | Physics | 15 | Expired |
| US6236167A | Apparatus for and method of driving elements, apparatus for and method of driving electron source, and image forming apparatus | Physics | 15 | Expired |
| USD313209S | Vehicle tire | General | 15 | Expired |
| US5577017A | Magnetooptical information recording/reproducing apparatus | Physics | 14 | Expired |
| US5297128A | Optical information recording/reproducing apparatus including means for varying intensity of a preheating light beam | Physics | 14 | Expired |
| US5717506A | Image communication apparatus for communicating binary and multi-value color image data | Electricity | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.