Keiichi Okamoto
17Patents
6h-index
42Co-inventors
66Inventor score
Filing activity: Oct 11, 1973 → Oct 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4628531A | Pattern checking apparatus | Physics | 78 | Expired |
| US5767848A | Development support system | Physics | 73 | Expired |
| US4744047A | Pattern test apparatus including a plurality of pattern generators | Physics | 37 | Expired |
| US3943359A | Apparatus for relatively positioning a plurality of objects by the use of a scanning optoelectric microscope | Physics | 26 | Expired |
| US4777641A | Method and apparatus for alignment | Physics | 22 | Expired |
| US4708484A | Projection alignment method and apparatus | Physics | 8 | Expired |
| US3941980A | Scanning photoelectric microscope | Physics | 5 | Expired |
| US10220598B2 | Multilayer coating film and coated object comprising luster flake coated with coloring materials | Performing Operations; Transporting | 2 | Active |
| US10882074B2 | Multilayer coating film and coated article | Performing Operations; Transporting | 0 | Active |
| US11533419B2 | Imaging apparatus, image sensor unit, camera unit, and control method for determining and updating correction data | Electricity | 0 | Active |
| US12319026B2 | Multilayered coating film and coated article | Chemistry; Metallurgy | 0 | Active |
| US12264260B2 | Multilayered coating film and coated article | Chemistry; Metallurgy | 0 | Active |
| US11548029B2 | Multilayer coating film forming method | Chemistry; Metallurgy | 0 | Active |
| US10899118B2 | Multilayer coating film and coated article | Performing Operations; Transporting | 0 | Active |
| US9409198B2 | Method and apparatus for applying coating solution, and method for manufacturing coated product | Performing Operations; Transporting | 0 | Active |
| US11565281B2 | Method for forming multilayer coating film | Chemistry; Metallurgy | 0 | Active |
| US10676622B2 | Multilayer coating film and coated article | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.