Yoshikazu Munakata
5Patents
2h-index
4Co-inventors
44Inventor score
Filing activity: Aug 13, 1996 → May 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5800744A | Method for producing a dioptric photocromic semi-finished lens | Performing Operations; Transporting | 49 | Expired |
| US7063419B1 | Sunglass with multistage stop function and attachment fitting thereof | Physics | 2 | Expired |
| US7510281B1 | Method for manufacturing bifocal lens | Physics | 0 | Active |
| US12197048B2 | Eyeglass lens, eyeglasses, and eyeglass lens manufacturing method | Physics | 0 | Active |
| US9891449B2 | Clip-on type eyeglasses | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.