Chih-Kuan Hsieh
8Patents
5Active
8Granted
39Portfolio score
Filing activity: May 30, 1995 → Jun 19, 2020 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5874283A | Mammalian flap-specific endonuclease | Human Necessities | 74 | Expired |
| USD605913S1 | Torque wrench | General | 12 | Expired |
| US7631583B2 | Torque wrench with an input module | Performing Operations; Transporting | 8 | Active |
| US7685889B2 | Multi-function digital tool | Performing Operations; Transporting | 3 | Active |
| US7841677B2 | Pivotable tool box | Performing Operations; Transporting | 1 | Active |
| US7766435B2 | Pivotable tool box | Performing Operations; Transporting | 1 | Active |
| US7036494B1 | Ignition enhancement device for enhancing ignition efficiency of car engine | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US11285597B2 | Pneumatic tool structure capable of isolating shock and releasing pressure | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.