Yorio Iwasaki
12Patents
8h-index
38Co-inventors
72Inventor score
Filing activity: May 12, 1978 → Mar 31, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6064111A | Substrate for holding a chip of semi-conductor package, semi-conductor package, and fabrication process of semi-conductor package | Electricity | 46 | Expired |
| US5309632A | Process for producing printed wiring board | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4216246A | Method of improving adhesion between insulating substrates and metal deposits electrolessly plated thereon, and method of making additive printed circuit boards | Electricity | 37 | Expired |
| US5929741A | Current protector | Electricity | 32 | Expired |
| US4791238A | High-density wired circuit board using insulated wires | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6236108A | Substrate for holding a chip of semi-conductor package, semi-conductor package, and fabrication process of semi-conductor package | Electricity | 13 | Expired |
| US5233133A | Coaxial conductor interconnection wiring board | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5323534A | Process for producing coaxial conductor interconnection wiring board | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5584121A | Process for producing multiple wire wiring board | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5403869A | Adhesive of epoxy resins, epoxy-modified polybutadiene and photoinitiator | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5486655A | Multiple wire adhesive on a multiple wire wiring board | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5053280A | Adhesive composition for printed wiring boards with acrylonitrile-butadiene rubber having carboxyl groups and 20 PPM or less metal ionic impurities; an alkyl phenol resin; an epoxy resin; palladium catalyst, and coupling agent | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.