Christopher Irwin
15Patents
9h-index
21Co-inventors
72Inventor score
Filing activity: Aug 23, 1985 → Apr 2, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6024942A | Photoprotective compositions | Human Necessities | 130 | Expired |
| US6013270A | Skin care kit | Performing Operations; Transporting | 77 | Expired |
| US6436885B2 | Antimicrobial cleansing compositions containing 2-pyrrolidone-5-carboxylic acid | Chemistry; Metallurgy | 60 | Expired |
| US5989528A | Sunscreen compositions | Human Necessities | 38 | Expired |
| US5827508A | Stable photoprotective compositions | Human Necessities | 35 | Expired |
| US6290938A | Sunscreen compositions | Human Necessities | 29 | Expired |
| US5935556A | Sunscreen compositions | Human Necessities | 25 | Expired |
| US5103990A | Closure for single service beverage container | Performing Operations; Transporting | 25 | Expired |
| US5069345A | Plastic container with tear opening feature | Performing Operations; Transporting | 16 | Expired |
| US4609340A | Accumulator head with diverter sleeve | Performing Operations; Transporting | 9 | Expired |
| US9959557B2 | Dynamically generated audio in advertisements | Physics | 5 | Active |
| US10290027B2 | Dynamically selected background music for personalized audio advertisement | Electricity | 3 | Active |
| US4617166A | Method for blow molding articles with deeply recessed edges | Performing Operations; Transporting | 2 | Expired |
| US10679256B2 | Relating acoustic features to musicological features for selecting audio with similar musical characteristics | Physics | 0 | Active |
| US10643248B2 | Dynamically generated audio in advertisements | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.