Yuichi Aki
19Patents
5h-index
40Co-inventors
66Inventor score
Filing activity: May 26, 1994 → Aug 1, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6438074B1 | Optical recording medium manufacturing master recording apparatus | Physics | 48 | Expired |
| US5726756A | Exposure apparatus with thickness and defect detection | Physics | 17 | Expired |
| US6754161B1 | Manufacturing method for optical recording medium and manufacturing device thereof | Physics | 6 | Expired |
| US5511438A | Positioner | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6737660B2 | Electron beam irradiation apparatus and electron beam irradiating method | Electricity | 5 | Expired |
| US7833000B2 | Optical modeling apparatus | Emerging Cross-Sectional Technologies | 4 | Active |
| US5583845A | Glass blank disc centering device | Physics | 4 | Expired |
| US7095699B2 | Detection apparatus, detection method and electron beam irradiation apparatus | Electricity | 3 | Expired |
| US6573511B2 | Electron beam irradiation system and electron beam irradiation method | Electricity | 3 | Expired |
| US6734437B2 | System and method for electron beam irradiation | Electricity | 3 | Expired |
| US6953939B2 | Testing apparatus using scanning electron microscope | Electricity | 2 | Expired |
| US6649859B2 | Electron beam irradiation system and electron beam irradiation method | Electricity | 2 | Expired |
| US11725719B2 | Gear wheel mechanism and manufacturing method for a gear wheel mechanism | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11999724B2 | Method for producing diarylpyridine derivatives | Human Necessities | 0 | Active |
| US10189804B2 | Method for producing dicarboxylic acid compound | Chemistry; Metallurgy | 0 | Active |
| US7034319B2 | Electron beam irradiation apparatus, electron beam irradiation method, original disk, stamper, and recording medium | Electricity | 0 | Expired |
| US12222029B2 | Method of manufacturing flexible gear, method of manufacturing flexible gear unit, and gear | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11110451B2 | Micro-channel device and method for manufacturing micro-channel device | Performing Operations; Transporting | 0 | Active |
| US10053437B2 | Salt of dicarboxylic acid compound | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.