Haruo Maeda
15Patents
8h-index
9Co-inventors
65Inventor score
Filing activity: Feb 12, 1975 → Jul 9, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4401362A | f-.theta. Lens system | Physics | 41 | Expired |
| US6728480B1 | Casing with improved drain hole | Physics | 38 | Expired |
| US4664570A | Method of operating a numerically controlled machine tool having a worktable capable of rotation about two intersecting axes | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6618455B1 | Clock management method and transmission apparatus for synchronous network system | Electricity | 23 | Expired |
| US4269478A | Constant-speed scanning lens system | Physics | 14 | Expired |
| US6783286B2 | Monitoring camera with detachable lens housing | Electricity | 13 | Expired |
| US4436383A | F-.theta. lens system | Physics | 10 | Expired |
| US4002407A | Objective | Physics | 8 | Expired |
| US5555051A | Back-focus adjusting device for a video camera | Electricity | 8 | Expired |
| US7372503B2 | Imaging apparatus | Electricity | 7 | Expired |
| US4417486A | Apparatus for angularly positioning | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4206974A | High resolution objective lens system | Physics | 4 | Expired |
| US4206975A | Retrofocus type wide-angle lens system | Physics | 4 | Expired |
| US3989317A | Objective lens system | Physics | 3 | Expired |
| US4264139A | Lens system for facsimile | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.