Masaki Okayasu
9Patents
2h-index
19Co-inventors
44Inventor score
Filing activity: Nov 16, 2000 → Aug 30, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6778568B1 | Semiconductor module and method of mounting semiconductor laser element on the same | Electricity | 3 | Expired |
| USD829261S1 | Variable focal length lens | General | 3 | Active |
| USD869542S1 | Variable focal length lens | General | 1 | Active |
| USD870795S1 | Variable focal length lens | General | 1 | Active |
| US6587287B2 | Hybrid optical module | Physics | 1 | Expired |
| US11215739B2 | Variable focal length lens apparatus and control method | Physics | 1 | Active |
| US10705263B2 | Lens system and variable focal length lens apparatus | Physics | 0 | Active |
| US6901092B2 | Package structure for a hybrid optical module and method of producing the same | Electricity | 0 | Expired |
| US11237354B2 | Variable focal length lens apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.