Kun-Hei Liu
23Patents
9h-index
8Co-inventors
68Inventor score
Filing activity: Apr 9, 1992 → Feb 2, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5168601A | Adjustable baby cart handrail positioning device | Emerging Cross-Sectional Technologies | 100 | Expired |
| US5197753A | Folding baby buggy frame assembly | Performing Operations; Transporting | 43 | Expired |
| US5205577A | Collapsible folding baby cart collapse control mechanism | Performing Operations; Transporting | 42 | Expired |
| US5192091A | Folding toy baby cart | Performing Operations; Transporting | 18 | Expired |
| US5205578A | Structure of folding baby carriage frame assembly | Performing Operations; Transporting | 16 | Expired |
| US5839706A | Folding collapsible stand mounting structure for a baby walker | Human Necessities | 14 | Expired |
| US6155444A | Collapsible plastic container | Performing Operations; Transporting | 11 | Expired |
| US6196407A | Garbage container | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6277028A | Detachable swing | Human Necessities | 10 | Expired |
| US5234226A | Baby stroller front wheel frame assembly | Performing Operations; Transporting | 9 | Expired |
| US6352234B1 | Baby walker positioning foot member | Human Necessities | 8 | Expired |
| USD345770S | Toy vehicle | General | 7 | Expired |
| US5224961A | Baby carriage wheel mounting device | Performing Operations; Transporting | 7 | Expired |
| USD340431S | Basket for attachment to a tricycle | General | 4 | Expired |
| USD345326S | Upper frame of baby cart | General | 4 | Expired |
| USD340358S | Seat for attachment to a tricycle | General | 3 | Expired |
| US9409120B2 | Hybrid process using a membrane to enrich flue gas CO2 with a solvent-based post-combustion CO2 capture system | Emerging Cross-Sectional Technologies | 2 | Active |
| USD345769S | Toy vehicle | General | 2 | Expired |
| US5207926A | Industrial waste water treatment process | Chemistry; Metallurgy | 1 | Expired |
| USD341799S | Decorative plate for attachment to a tricycle | General | 1 | Expired |
| US9790477B2 | Transposon vector for vertebrate and invertebrate genetic manipulation | Chemistry; Metallurgy | 0 | Active |
| US10589214B2 | CO2 mass transfer enhancement of aqueous amine solvents by particle additives | Emerging Cross-Sectional Technologies | 0 | Active |
| USD344047S | Upper frame of baby cart | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.