Yuji Yamamoto
330Patents
28h-index
447Co-inventors
93Inventor score
Filing activity: Jan 16, 1980 → Aug 12, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7253286B2 | Nitrogen-containing aromatic derivatives | Chemistry; Metallurgy | 131 | Expired |
| US6469765B1 | Liquid crystal display and method of performing display operation | Physics | 120 | Expired |
| US6097467A | Latitudinal LCD with cylindrical and eliptical spacers at intersection of signal and gate lines | Physics | 74 | Expired |
| US6787534B2 | Sulfonamide-containing heterocyclic compounds | Chemistry; Metallurgy | 70 | Expired |
| US6778232B2 | Method for manufacturing active matrix substrate | Physics | 67 | Expired |
| US6429916B1 | Liquid crystal display with filter and light shield separated from contact hole | Physics | 60 | Expired |
| USD668869S1 | Tool box | General | 58 | Active |
| US6577374B1 | Active matrix substrate having column spacers integral with protective layer and process for fabrication thereof | Physics | 57 | Expired |
| US6921788B1 | Coating material for forming transparent and conductive film | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5443929A | Nonaqueous secondary battery | Emerging Cross-Sectional Technologies | 52 | Expired |
| USD519808S1 | Portable electric driver | General | 49 | Expired |
| US6504592B1 | Liquid crystal display and method of manufacturing the same and method of driving the same | Physics | 46 | Expired |
| USD636723S1 | Battery charger | General | 43 | Expired |
| US7612092B2 | Nitrogen-containing aromatic derivatives | Chemistry; Metallurgy | 43 | Expired |
| US5228423A | Dual-fuel engine | Emerging Cross-Sectional Technologies | 40 | Expired |
| USD574688S1 | Rechargeable power impact wrench | General | 39 | Expired |
| US6775595B1 | Energy-saving service offering method and apparatus therefor | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4397666A | Method of producing glass from metal alkoxide solution | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5703701A | Film information communication apparatus, film information printing apparatus, information processing apparatus and index printer | Physics | 38 | Expired |
| USD637774S1 | Portable electric blower | General | 37 | Expired |
| US5537129A | Common electrode driving circuit for use in a display apparatus | Physics | 37 | Expired |
| US5929847A | Voltage generating circuit, and common electrode drive circuit, signal line drive circuit and gray-scale voltage generating circuit for display devices | Physics | 35 | Expired |
| US5294499A | Non-aqueous secondary cell | Emerging Cross-Sectional Technologies | 34 | Expired |
| USD604583S1 | Portable electric hammer drill | General | 34 | Expired |
| USD597690S1 | Flashlight | General | 33 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.