Graham Johnson
12Patents
8h-index
26Co-inventors
72Inventor score
Filing activity: Jul 17, 1989 → Jan 20, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5713957A | Corneal onlays | Human Necessities | 113 | Expired |
| US5449383A | Cell growth substrates | Emerging Cross-Sectional Technologies | 93 | Expired |
| US5994133A | Cell growth substrate polymer | Chemistry; Metallurgy | 28 | Expired |
| US5077215A | Neutralized perfluoro-3,6-dioxa-4-methyl-7-octene sulphonyl fluoride copolymer surface for attachment and growth of animal cells | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6454800B2 | Corneal onlay | Human Necessities | 22 | Expired |
| US6503958B2 | Biomaterials | Human Necessities | 21 | Expired |
| US5973089A | Polymerizable perfluoroalkylether macromer | Physics | 13 | Expired |
| US5571724A | Smog monitor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5010009A | Material for cell attachment and growth | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8795782B2 | Polymeric coatings and methods for forming them | Chemistry; Metallurgy | 3 | Active |
| US5356818A | Smog monitor | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8124188B2 | Polymeric coatings and methods for forming them | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.