Makoto Misaka
21Patents
11h-index
7Co-inventors
68Inventor score
Filing activity: Nov 3, 1994 → Dec 2, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5691851A | Zoom lens | Physics | 48 | Expired |
| US6115188A | Optical system and optical apparatus having the same | Physics | 47 | Expired |
| US5815320A | Zoom lens | Physics | 36 | Expired |
| US5831772A | Compact zoom lens | Physics | 29 | Expired |
| US5859729A | Zoom lens device with four lens unit | Physics | 21 | Expired |
| US6236516A | Zoom lens and optical apparatus having the same | Physics | 18 | Expired |
| US6710931B1 | Zoom lens, and image pickup apparatus and image projection apparatus using the same | Physics | 16 | Expired |
| US6147810A | Zoom lens having focusing subunit in second lens unit and optical apparatus equipped with the same | Physics | 16 | Expired |
| US5581404A | Image stabilizing apparatus | Physics | 15 | Expired |
| US7292398B1 | Optical system and optical apparatus including optical system | Physics | 13 | Active |
| US6788464B2 | Zoom lens and optical apparatus using the same | Physics | 12 | Expired |
| US7190520B2 | Zoom lens system and imaging apparatus having the same | Physics | 8 | Expired |
| US7068428B2 | Zoom lens system and imaging apparatus having the same | Physics | 7 | Expired |
| US8385002B2 | Zoom lens and photographing apparatus | Physics | 7 | Active |
| US7184221B2 | Zoom lens system and camera incorporating the same | Physics | 7 | Expired |
| US8320053B2 | Zoom lens | Physics | 4 | Active |
| US9140905B2 | Vibration proof zoom lens and photographing apparatus having the same | Physics | 2 | Active |
| US7196851B2 | Zoom lens system and camera incorporating the same | Physics | 1 | Active |
| US9313384B2 | Zoom lens having vibration prevention function | Physics | 1 | Active |
| US8643954B2 | Zoom lens and photographing apparatus | Physics | 1 | Active |
| US9250421B2 | Zoom lens | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.