Atsushi Someya
13Patents
8h-index
15Co-inventors
69Inventor score
Filing activity: Oct 29, 1976 → Feb 8, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4872743A | Varifocal optical element | Electricity | 45 | Expired |
| US4729641A | Functional optical element having a non-flat planar interface with variable-index medium | Physics | 38 | Expired |
| US4132463A | Zoom optical system | Physics | 23 | Expired |
| US4848879A | Light modulating device | Physics | 18 | Expired |
| US5883700A | Method for projection exposure to light | Physics | 14 | Expired |
| US4571032A | Zoom lens | Physics | 13 | Expired |
| US4306776A | Zoom lens having three movable lens groups | Physics | 8 | Expired |
| US4256371A | Zoom lens with extended variable focal length range | Physics | 8 | Expired |
| US7094994B2 | Heat treatment apparatus and method of semiconductor wafer | Electricity | 7 | Expired |
| US4641920A | Optical element having the function of changing the cross-sectional intensity distribution of a light beam | Physics | 5 | Expired |
| US4865426A | Variable aberration imaging optical system | Physics | 4 | Expired |
| US5311282A | High precision stepping aligner having a spiral stepping pattern | Physics | 3 | Expired |
| US8519659B2 | Electric servo-press, and control device and control method for electric servo press | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.