David Chang
29Patents
13h-index
18Co-inventors
78Inventor score
Filing activity: Feb 28, 1977 → Sep 10, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4138381A | Polymeric thickeners, processes for their preparation and uses thereof | Emerging Cross-Sectional Technologies | 92 | Expired |
| US4355071A | Clear coat/color coat finish containing ultraviolet light stabilizer | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4396680A | Substrate coated with crater resistant acrylic enamel | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4230844A | Processes for the preparation of polymeric thickeners and uses thereof | Chemistry; Metallurgy | 41 | Expired |
| US4208465A | Clear coat/color coat finish containing an antioxidant and an ultraviolet light stabilizer | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5104922A | Stable aqueous aluminum flake dispersion | Chemistry; Metallurgy | 27 | Expired |
| US5100735A | Waterborne basecoat/high solids clear finish for automotive substrates having an improved appearance | Emerging Cross-Sectional Technologies | 27 | Expired |
| USD532931S1 | UV gel light | General | 27 | Expired |
| US4731290A | Process for improving the appearance of a multilayer finish | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5955532A | Aqueous coating composition of a self-stabilized crosslinked latex | Chemistry; Metallurgy | 25 | Expired |
| USD450389S | UV light | General | 23 | Expired |
| US4371657A | Crater resistant acrylic enamel | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4812506A | Amino methyl propanol blocked aromatic sulfonic acid | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4769780A | High speed multiplier | Physics | 13 | Expired |
| US5858619A | Multi-level conductive matrix formation method | Electricity | 12 | Expired |
| US4349890A | Time of day clock control | Physics | 8 | Expired |
| US10082823B1 | Open loop solution in data buffer and RCD | Electricity | 5 | Active |
| US6689457B1 | Electrically conductive coatings applied by internally charged electrostatic sprayers | Emerging Cross-Sectional Technologies | 4 | Expired |
| US10241538B2 | Resynchronization of a clock associated with each data bit in a double data rate memory system | Physics | 3 | Active |
| US10658016B1 | Series continuous time linear equalizers | Physics | 3 | Active |
| US10437279B2 | Open loop solution in data buffer and RCD | Physics | 3 | Active |
| US6562551B1 | Gripping multi-level black matrix | Electricity | 2 | Expired |
| US6176754A | Method for forming a conductive focus waffle | Electricity | 2 | Expired |
| US10360970B1 | Standing and resonant wave clocking in DDR RCD and data buffer | Physics | 2 | Active |
| US6528930B1 | Conductive focus waffle | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.