Kun Wang
37Patents
15h-index
16Co-inventors
78Inventor score
Filing activity: Sep 9, 1993 → Jan 17, 2025
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6131218A | Upper mattress support device for playpen | Human Necessities | 48 | Expired |
| US5530977A | Control device for folding and expanding armrail of a playpen | Human Necessities | 43 | Expired |
| US5485655A | Hinge device for armrails of a playpen | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6363550B1 | Joint for a collapsible rail of a playpen | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5611634A | Pivotal device for a playpen | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6951371B2 | Multi-functional child high chair | Human Necessities | 31 | Expired |
| USD566013S1 | Stroller | General | 30 | Expired |
| US6317907A | Safety device for a collapsible playpen | Human Necessities | 24 | Expired |
| US6473919B1 | Pivotal seat for a collapsible playpen | Human Necessities | 23 | Expired |
| US5978987A | Armrail release device for a collapsible playpen | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6332231A | Collapsible leaf for a playpen | Human Necessities | 22 | Expired |
| US5542134A | Control device for folding and expanding a base portion of a playpen | Human Necessities | 19 | Expired |
| USD594667S1 | Adjustable high chair | General | 19 | Expired |
| US5372442A | Key structure for computer keyboards | Performing Operations; Transporting | 16 | Expired |
| US9534628B1 | Folding device for baby carriage | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US5497517A | Control device for folding and expanding a base portion of a playpen | Emerging Cross-Sectional Technologies | 13 | Expired |
| USD434914S | Playpen | General | 13 | Expired |
| US6341394B1 | Sway device for a cradle | Human Necessities | 11 | Expired |
| US6467108B1 | Structure of corner members for a playpen | Human Necessities | 11 | Expired |
| US5906013A | Pivotal device for a playpen | Emerging Cross-Sectional Technologies | 11 | Expired |
| US9475516B1 | Folding device for baby carriage | Performing Operations; Transporting | 9 | Active |
| USD534749S1 | Playpen | General | 9 | Expired |
| USD576411S1 | High chair for infant | General | 8 | Expired |
| US6571408B1 | Oscillatory device for a collapsible playpen | Human Necessities | 7 | Expired |
| USD435374S | Frame joint of baby bed | General | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.