Yi Ren
25Patents
4h-index
59Co-inventors
66Inventor score
Filing activity: Oct 3, 1997 → Aug 18, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8329724B2 | Process for the manufacture of pharmaceutically active compounds | Emerging Cross-Sectional Technologies | 8 | Active |
| US8530661B2 | Process for the manufacture of pharmaceutically active compounds | Emerging Cross-Sectional Technologies | 8 | Active |
| US8741920B2 | Process for the manufacture of pharmaceutically active compounds | Emerging Cross-Sectional Technologies | 6 | Active |
| US10395065B2 | Password protection under close input observation based on dynamic multi-value keyboard mapping | Physics | 6 | Active |
| US7544833B2 | Methods for producing N-(8-[2-hydroxybenzoyl]-amino) caprylic acid | Chemistry; Metallurgy | 4 | Active |
| US9471468B2 | System, method, and computer program to improve the productivity of unit testing | Physics | 3 | Active |
| US8779150B2 | Processes for the manufacture of propane-1-sulfonic acid {3-[5-(4-chloro-phenyl)-1 H-pyrrolo[2,3-b]pyridine-3-carbonyl]-2,4-difluoro-phenyl}-amide | Chemistry; Metallurgy | 2 | Active |
| US8188206B2 | 10-50 G/D high strength polyethylene fiber and preparation method thereof | Textiles; Paper | 1 | Active |
| US10599302B2 | Method for performing content flipping operation on touchscreen and terminal | Physics | 0 | Active |
| US11314393B2 | Method for performing operation to select entries on touchscreen and terminal | Physics | 0 | Active |
| US11466151B2 | Polyester composition, preparation method therefor and application thereof | Chemistry; Metallurgy | 0 | Active |
| US9150594B2 | Processes for the manufacture of propane-1-sulfonic acid {3-[5-(4-chloro-phenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl]-2,4-difluoro-phenyl}-amide | Chemistry; Metallurgy | 0 | Active |
| US8623245B2 | Process of making colored high strength polyethylene fiber | Emerging Cross-Sectional Technologies | 0 | Active |
| US10294219B2 | Ledipasvir crystal form and preparation method thereof | Chemistry; Metallurgy | 0 | Active |
| US9556172B2 | Processes for the manufacture of propane-1-sulfonic acid (3-[5-(4-chloro-phenyl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl]-2,4-difluoro-phenyl)-amide | Chemistry; Metallurgy | 0 | Active |
| US10875826B2 | Process for the manufacture of SNAC (salcaprozate sodium) | Chemistry; Metallurgy | 0 | Active |
| US10710029B2 | Method of preparing hybrid membrane | Performing Operations; Transporting | 0 | Active |
| US11878989B2 | Method for preparing L-erythrobiopterin compound | Emerging Cross-Sectional Technologies | 0 | Active |
| US9388168B2 | Process for the preparation of 1-([1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-ylamine | Chemistry; Metallurgy | 0 | Active |
| US11534820B2 | Crystallizer copper plate and continuous casting crystallizer | Emerging Cross-Sectional Technologies | 0 | Active |
| US9555562B2 | Method for making nano-scale film | Performing Operations; Transporting | 0 | Active |
| US10005770B2 | Process for the preparation of N-[(3-aminooxetan-3-yl)methyl]-2-(1,1-dioxo-3,5-dihydro-1,4-benzothiazepin-4-yl)-6-methyl-quinazolin-4-amine | Chemistry; Metallurgy | 0 | Active |
| US6630484B1 | 6-and 7-substituted analogs of swainsonine their preparation and therapeutic use | Human Necessities | 0 | Expired |
| US10710005B2 | Adsorbent material | Chemistry; Metallurgy | 0 | Active |
| US10253022B2 | Process for the preparation of N-[(3-aminooxetan-3-yl) methyl]-2-(1,1-dioxo-3,5-dihydro-1,4-benzothiazepin-4-yl)-6-methyl-quinazolin-4-amine | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.