Li Yu
10Patents
4h-index
12Co-inventors
57Inventor score
Filing activity: Nov 12, 1996 → Aug 21, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6929357B2 | Ink cartridge having bellows valve, ink filling method and apparatus used thereof | Performing Operations; Transporting | 16 | Expired |
| USD624561S1 | Piston and shoe assembly for a hydraulic piston pump | General | 11 | Expired |
| US10580599B1 | Vacuum circuit interrupter with actuation having active damping | Electricity | 11 | Active |
| US6935730B2 | One-way valve, valve unit assembly, and ink cartridge using the same | Performing Operations; Transporting | 10 | Expired |
| US7246891B2 | Ink cartridge for a printer | Performing Operations; Transporting | 3 | Expired |
| US11187355B2 | Fluid coupling and method of assembly | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7475972B2 | One-way valve, valve unit assembly, and ink cartridge using the same | Performing Operations; Transporting | 2 | Active |
| US8108955B2 | Motor-and-nozzle combinational apparatus for a massage bathtub | Human Necessities | 1 | Active |
| US5745933A | Pre-washing device for water circulating tube of massaging bath tub | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10541094B1 | Vacuum interrupter with radial bellows | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.