Tze-Chi Jao
25Patents
8h-index
24Co-inventors
75Inventor score
Filing activity: Dec 7, 1987 → Jan 12, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4780224A | Method of preparing overbased calcium sulfonates | Chemistry; Metallurgy | 28 | Expired |
| US4810396A | Process for preparing overbased calcium sulfonates | Chemistry; Metallurgy | 22 | Expired |
| US5578235A | Overbased calcium sulfonate | Chemistry; Metallurgy | 15 | Expired |
| US6255261A | (Meth) acrylate copolymer pour point depressants | Chemistry; Metallurgy | 15 | Expired |
| US4973411A | Process for the preparation of sulfurized overbased phenate detergents | Chemistry; Metallurgy | 15 | Expired |
| US5792732A | Lubricants with linear alkaryl overbased detergents | Chemistry; Metallurgy | 14 | Expired |
| US7967876B2 | Nanoalloy fuel additives | Chemistry; Metallurgy | 13 | Active |
| US4954272A | Process for preparing overbased calcium sulfonates | Chemistry; Metallurgy | 8 | Expired |
| US4997584A | Process for preparing improved overbased calcium sulfonate | Chemistry; Metallurgy | 6 | Expired |
| US5132033A | Method of preparing overbased calcium sulfonates | Chemistry; Metallurgy | 5 | Expired |
| US8741821B2 | Nanoparticle additives and lubricant formulations containing the nanoparticle additives | Chemistry; Metallurgy | 4 | Active |
| US4929373A | Process for preparing overbased calcium sulfonates | Chemistry; Metallurgy | 4 | Expired |
| US7632788B2 | Nanosphere additives and lubricant formulations containing the nanosphere additives | Chemistry; Metallurgy | 4 | Active |
| US7902133B2 | Lubricant composition | Chemistry; Metallurgy | 4 | Active |
| US7906465B2 | Lubricant compositions | Chemistry; Metallurgy | 3 | Active |
| US7879775B2 | Lubricant compositions | Chemistry; Metallurgy | 3 | Active |
| US8202829B2 | Lubricating composition | Chemistry; Metallurgy | 3 | Active |
| US7833953B2 | Lubricant composition | Chemistry; Metallurgy | 2 | Active |
| US7833952B2 | Lubricant compositions | Chemistry; Metallurgy | 1 | Active |
| US5332514A | Continuous process for preparing overbased salts | Chemistry; Metallurgy | 1 | Expired |
| US7709423B2 | Additives and lubricant formulations for providing friction modification | Chemistry; Metallurgy | 1 | Active |
| US7867958B2 | Diblock monopolymers as lubricant additives and lubricant formulations containing same | Chemistry; Metallurgy | 0 | Active |
| US8003584B2 | Lubricant compositions | Chemistry; Metallurgy | 0 | Active |
| US8241599B2 | Method of using volatile organometallics as biomass gasification catalysts | Emerging Cross-Sectional Technologies | 0 | Active |
| US8404155B2 | Nanoparticle catalyst compounds and/or volatile organometallic compounds and method of using the same for biomass gasification | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.