Koki Kunii
6Patents
3h-index
3Co-inventors
39Inventor score
Filing activity: Jul 25, 2002 → Sep 22, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7128459B2 | Light-guide plate and method for manufacturing the same | Physics | 32 | Expired |
| US7230779B2 | ND filter and aperture diaphragm apparatus | Physics | 15 | Expired |
| US6671109B2 | ND filter having composite PVD film of metal and its oxide | Physics | 9 | Expired |
| US7440204B2 | ND filter of optical film laminate type with carbon film coating | Physics | 2 | Active |
| US7483226B2 | ND filter, manufacturing method thereof, and aperture device | Emerging Cross-Sectional Technologies | 1 | Active |
| US7388723B2 | ND filter and light quantity diaphragming device including the same | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.