David Robert Diggins
9Patents
5h-index
10Co-inventors
60Inventor score
Filing activity: Nov 20, 1997 → Oct 23, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6391983B1 | Casting composition of aromatic polyvinyl monomer, polythiol and epoxy strain reducer | Physics | 26 | Expired |
| US6313251A | High index/high abbe number composition | Physics | 24 | Expired |
| US5977276A | High index/high Abbe number composition | Chemistry; Metallurgy | 24 | Expired |
| US8003022B2 | Method of forming a coated optical element | Physics | 9 | Active |
| US6166158A | High index/high abbe number composition | Chemistry; Metallurgy | 5 | Expired |
| US8044141B2 | Tinting optical substrates | Chemistry; Metallurgy | 0 | Active |
| US7763313B2 | Tinting optical substrates | Chemistry; Metallurgy | 0 | Active |
| US8128990B2 | Abrasion resistant coating composition | Physics | 0 | Expired |
| US11874534B2 | Spectacle lens having a photochromic coating and method for producing the same | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.