Chih-Te Chang
5Patents
3Active
5Granted
37Portfolio score
Filing activity: May 12, 2003 → Jan 15, 2018
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD584932S1 | Wrench | General | 15 | Expired |
| US6857929B2 | Ornamental water ball showing two dynamic views | Physics | 7 | Expired |
| US8757835B2 | Variable shaped lamp shade of LED lamp | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US9649751B2 | Reversible ratchet wrench with a smaller rotational angle | Performing Operations; Transporting | 4 | Active |
| US10136683B2 | Three-wire wearable device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.