James Chan
21Patents
8h-index
28Co-inventors
75Inventor score
Filing activity: Oct 5, 1990 → Jul 23, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7584841B2 | Holding device for holding and positioning a portable object | Human Necessities | 96 | Active |
| US6100736A | Frequency doubler using digital delay lock loop | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5786768A | Clock radio gas detector apparatus and method for alerting residents to hazardous gas concentrations | Physics | 45 | Expired |
| USD557495S1 | Holding device for holding and positioning a portable object | General | 44 | Expired |
| USD570598S1 | Case for electrical device | General | 30 | Expired |
| US6525714B1 | Pointing device with an annular rotating ring | Physics | 26 | Expired |
| US6282940A | Apparatus for testing carbon monoxide alarms | Emerging Cross-Sectional Technologies | 25 | Expired |
| USD330436S | Adjustable table lamp | General | 10 | Expired |
| USD346672S | Table lamp | General | 7 | Expired |
| US8680407B1 | Modular enclosure assembly for terminals wiring and distribution | Electricity | 7 | Active |
| US5728815A | Bone and prostate-derived protein factors affecting prostate cancer growth, differentiation, and metastasis | Human Necessities | 7 | Expired |
| USD357763S | Table lamp | General | 4 | Expired |
| US11590277B2 | Drug delivery device with activation prevention feature | Human Necessities | 4 | Active |
| US9439803B2 | Patient warming device with patient access | Human Necessities | 4 | Active |
| US8046955B2 | Water deviation unit for external wall fixtures | Electricity | 3 | Active |
| US9433527B2 | Compressive patient warming device | Human Necessities | 2 | Active |
| US5679636A | Bone and prostate-derived protein factors affecting prostate cancer growth, differentiation, and metastasis | Human Necessities | 2 | Expired |
| USD330604S | Base of a lamp | General | 1 | Expired |
| US12115360B2 | Hybrid drug delivery devices with grip portion | Human Necessities | 0 | Active |
| US12042645B2 | Delivery devices for administering drugs | Human Necessities | 0 | Active |
| US10357396B2 | Patient warming device with patient access | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.