Yoichi Yamazaki
20Patents
8h-index
37Co-inventors
75Inventor score
Filing activity: Feb 15, 1977 → Sep 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD441386S | Body of a video camera | General | 189 | Expired |
| USD437039S | Air cleaner | General | 56 | Expired |
| US4107778A | Digital fault-location calculation system | Physics | 49 | Expired |
| US5132987A | Bidirectional communication line buffer apparatus | Electricity | 19 | Expired |
| USD401261S | Liquid crystal projector | General | 17 | Expired |
| US6080466A | Composite sheets for wiping cloths | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5882754A | Cast-coated pressure-sensitive adhesive sheet for ink jet recording | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4822242A | Variable capacity turbo supercharger | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6388960B1 | Disk player having automatic control based upon audio disk or memory disk determination | Physics | 8 | Expired |
| US5243475A | Apparatus for controlling open/close drive of a lid for a recording medium player | Electricity | 5 | Expired |
| US5536535A | Process for producing a coated paper | Textiles; Paper | 5 | Expired |
| US5900115A | Ink jet recording paper | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5873978A | Recording paper | Emerging Cross-Sectional Technologies | 3 | Expired |
| USD403009S | Liquid crystal projector | General | 2 | Expired |
| USD437608S | Liquid crystal projector | General | 1 | Expired |
| US11068695B2 | Image processing device, observation device, and program | Physics | 1 | Active |
| USD437870S | Liquid crystal projector | General | 1 | Expired |
| US5856889A | Magnetic data recording apparatus using pulse position modulation | Physics | 1 | Expired |
| US7821174B2 | Armature of rotating electric machine and method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US12315162B2 | Image analyzer, cell culture observation device, image analysis method, program, and data processing system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.