Ping CHANG
11Patents
6h-index
13Co-inventors
63Inventor score
Filing activity: Oct 1, 1984 → May 6, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5139800A | Browning composition and process for browning foods | Human Necessities | 16 | Expired |
| US4821802A | Aqueous sulfomethylated melamine gel-forming compositions and methods of use | Chemistry; Metallurgy | 10 | Expired |
| US4708974A | Enhanced hydrocarbon recovery by permeability modification with phenolic gels | Fixed Constructions | 9 | Expired |
| US5258194A | Process for preparing a browning composition | Human Necessities | 9 | Expired |
| US6277432A | Reduced calorie plastic fat composition | Human Necessities | 8 | Expired |
| US4772641A | Aqueous sulfomethylated melamine gel-forming compositions | Chemistry; Metallurgy | 8 | Expired |
| US11786463B2 | Pharmaceutical compositions for the treatment of ophthalmic conditions | Human Necessities | 1 | Active |
| US12011430B2 | Compositions and dosage forms for oral delivery | Human Necessities | 0 | Active |
| US12419896B2 | Compositions and dosage forms for oral delivery | Human Necessities | 0 | Active |
| US11845759B2 | Opioid compounds and uses thereof | Human Necessities | 0 | Active |
| US12396948B2 | Pharmaceutical compositions for the treatment of ophthalmic conditions | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.