John Chao
7Patents
3h-index
6Co-inventors
46Inventor score
Filing activity: Nov 29, 1999 → Aug 26, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8382692B1 | Neck and spine support device for a neck in flexion | Human Necessities | 16 | Active |
| US6491835B1 | Metal mask etching of silicon | Electricity | 16 | Expired |
| US8007278B2 | Periodontal surgery operation methods and instruments | Human Necessities | 4 | Active |
| US6599842B2 | Method for rounding corners and removing damaged outer surfaces of a trench | Electricity | 3 | Expired |
| US8202092B2 | Periodontal surgery operation methods and instruments | Human Necessities | 1 | Active |
| US9915476B2 | Metallurgical furnace | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9752830B2 | Electrode seal for use in a metallurgical furnace | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.