David Chang
28Patents
11h-index
30Co-inventors
75Inventor score
Filing activity: Oct 31, 1984 → Dec 7, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD706254S1 | Protective case kickstand | General | 205 | Active |
| US5602535A | Vehicle security system based on two step communication range between transmitter and receiver | Physics | 52 | Expired |
| USD682815S1 | Case | General | 52 | Active |
| USD710839S1 | Protective cover | General | 44 | Active |
| USD534646S1 | Nutritional supplement tablet | General | 26 | Expired |
| USD401971S | Brush stand | General | 26 | Expired |
| US6022574A | Process for making a fried snack product | Emerging Cross-Sectional Technologies | 24 | Expired |
| USD681624S1 | Protective cover | General | 24 | Active |
| US6033707A | Fried snack | Emerging Cross-Sectional Technologies | 21 | Expired |
| USD710345S1 | Protective cover | General | 16 | Active |
| US4620049A | Method and apparatus for controlling polybutene production | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6703065B2 | Fabricated potato chips | Emerging Cross-Sectional Technologies | 11 | Expired |
| USD744635S1 | Dietary supplement | General | 11 | Active |
| US5340509A | Process for pelletizing ultra high melt flow crystalline polymers and products therefrom | Performing Operations; Transporting | 11 | Expired |
| US6277423A | Fried snack, fried snack dough and process for making the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD374542S | Snack food | General | 7 | Expired |
| US8324857B1 | Portable stackable solar batteries | Emerging Cross-Sectional Technologies | 6 | Active |
| US6136359A | Fried snack dough composition and method of preparing a fried snack product | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9209850B2 | Protective case for controlling sound waves | Electricity | 3 | Active |
| US8486475B2 | Rice flour compositions | Human Necessities | 3 | Expired |
| US9456673B2 | Fluid sealable protective case for portable electronic devices | Human Necessities | 1 | Active |
| US7115283B2 | Preparations for sustained release of nutraceuticals and methods of controllably releasing nutraceuticals | Human Necessities | 1 | Expired |
| US8821942B1 | Highly compressible, low density ground calcium carbonate granulation and a related method of preparation | Human Necessities | 0 | Active |
| US11291683B2 | Bilayer tablets of B vitamins and process for preparing the same | Human Necessities | 0 | Active |
| US4763608A | Pig holder | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.