Nobusuke Yamada
5Patents
3h-index
16Co-inventors
54Inventor score
Filing activity: Mar 16, 1990 → Feb 16, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6133178A | High purity transparent silica glass | Chemistry; Metallurgy | 16 | Expired |
| US5028967A | Achromatic lens for ultraviolet rays | Chemistry; Metallurgy | 15 | Expired |
| US8211817B2 | Fused silica glass and process for producing the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US5676882A | Fluorescent substance and manufacturing method thereof | Chemistry; Metallurgy | 1 | Expired |
| US10005693B2 | Opaque quartz glass and method for its production | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.