Toshio Yamada
168Patents
25h-index
213Co-inventors
93Inventor score
Filing activity: Aug 9, 1974 → Sep 28, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5497079A | Semiconductor testing apparatus, semiconductor testing circuit chip, and probe card | Physics | 101 | Expired |
| US5945834A | Semiconductor wafer package, method and apparatus for connecting testing IC terminals of semiconductor wafer and probe terminals, testing method of a semiconductor integrated circuit, probe card and its manufacturing method | Physics | 100 | Expired |
| US5514934A | Discharge lamp, image display device using the same and discharge lamp producing method | Electricity | 85 | Expired |
| US6005401A | Semiconductor wafer package, method and apparatus for connecting testing IC terminals of semiconductor wafer and probe terminals, testing method of a semiconductor integrated circuit, probe card and its manufacturing method | Physics | 84 | Expired |
| US5910010A | Semiconductor integrated circuit device, and process and apparatus for manufacturing the same | Electricity | 81 | Expired |
| US5866079A | Ceramic honeycomb catalytic converter | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US4909419A | Percussion tool | Performing Operations; Transporting | 47 | Expired |
| US4749613A | Composite fiber reinforced thermoplastic resin stampable sheet and bumper beam formed thereof | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5045637A | Magnetic shielding material | Performing Operations; Transporting | 44 | Expired |
| US5131579A | Nailing machine | Performing Operations; Transporting | 43 | Expired |
| US3945551A | Nailing machine | Performing Operations; Transporting | 42 | Expired |
| US4888732A | Dynamic random access memory having open bit line architecture | Physics | 41 | Expired |
| US5705491A | Adenosine deaminase inhibitor | Chemistry; Metallurgy | 37 | Expired |
| US5720787A | Exhaust gas purifying filter using honeycomb monolith with random length sealing portions | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5375095A | Semiconductor memory apparatus with reduced line widths | Physics | 34 | Expired |
| US5666049A | Semiconductor testing apparatus, semiconductor testing circuit chip, and probe card | Physics | 33 | Expired |
| US5389810A | Semiconductor device having at least one symmetrical pair of MOSFETs | Electricity | 32 | Expired |
| US5592925A | Exhaust gas recirculation device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US5140184A | Clock feeding circuit and clock wiring system | Physics | 31 | Expired |
| US5642323A | Semiconductor integrated circuit with a data transmission circuit | Physics | 30 | Expired |
| US5018000A | Semiconductor device using MIS capacitor | Electricity | 29 | Expired |
| US5494881A | Ceramic honeycomb structural body and catalyst comprising the same | Performing Operations; Transporting | 26 | Expired |
| US5892384A | Timing signal generation circuit | Electricity | 26 | Expired |
| US7008461B2 | Honeycomb structure, method for manufacturing honeycomb structure, and exhaust gas purification system using honeycomb structure | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4807194A | Seimiconductor memory device having sub bit lines | Physics | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.