Furukawa Denki Kogyo Kabushiki Kaisha
10Patents
0Active
10Granted
32Portfolio score
Filing activity: Mar 13, 1980 → Sep 19, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4978914A | Laminated board for testing electronic components | Electricity | 69 | Expired |
| US4791239A | Multilayer printed wiring board and method for producing the same | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4893404A | Method for producing a multilayer printed wiring board | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4780957A | Method for producing rigid-type multilayer printed wiring board | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6486393B1 | Magnetically shielding structure | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4868047A | Printed wiring board | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5466885A | Magnetically shielding structure | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4435885A | Process and apparatus for manufacturing storage battery plates | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5408935A | Transportation system using magnetic belt propulsion | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4271245A | Grid base plate for an electrode plate for a storage battery and method of manufacture thereof | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.