Eiji Imai
20Patents
6h-index
27Co-inventors
69Inventor score
Filing activity: Aug 2, 1979 → Jul 4, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4332187A | Air intake housing | Performing Operations; Transporting | 25 | Expired |
| US4417762A | Motor vehicle roof | Performing Operations; Transporting | 16 | Expired |
| US4285540A | Body structure for an automobile with concealed wipers | Performing Operations; Transporting | 14 | Expired |
| US6189791A | Magnetic card reader and method for determining the coercive force of a magnetic card therein | Physics | 13 | Expired |
| US6349878B2 | Card processing method | Physics | 9 | Expired |
| US6446872B1 | Card reader having a space for discharging foreign matter therein | Physics | 7 | Expired |
| US8422009B2 | Foreign matter inspection method and foreign matter inspection apparatus | Physics | 6 | Active |
| US6639688B2 | Value-sheet issuing device for selectively assigning common images from a local storage | Physics | 6 | Expired |
| US5428755A | Method for automatically modifying program in a flash memory of a magnetic tape unit | Physics | 5 | Expired |
| US5734535A | Magnetic head with a useable lifetime detection mechanism | Physics | 5 | Expired |
| US7733473B2 | Inspection apparatus and inspection method | Physics | 4 | Active |
| US7719671B2 | Foreign matter inspection method and foreign matter inspection apparatus | Physics | 2 | Active |
| US8395766B2 | Foreign matter inspection apparatus | Physics | 2 | Active |
| US10458924B2 | Inspection apparatus and inspection method | Physics | 2 | Active |
| US6199760A | Magnetic card reader and card taking-in method for magnetic card | Physics | 1 | Expired |
| US8525984B2 | Inspection apparatus and inspection method | Physics | 0 | Active |
| US7898653B2 | Foreign matter inspection apparatus | Physics | 0 | Active |
| US7986405B2 | Foreign matter inspection method and foreign matter inspection apparatus | Physics | 0 | Active |
| US4826840A | Cerebral protecting agent | Chemistry; Metallurgy | 0 | Expired |
| US7999932B2 | Inspection apparatus and inspection method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.