FURUKAWA ELECTRIC CO., LTD.
2,648Patents
1,331Active
2,648Granted
56Portfolio score
Filing activity: May 22, 1973 → Aug 22, 2024 · 369 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5038255A | Vehicle lamp | Emerging Cross-Sectional Technologies | 411 | Expired |
| US6508803B1 | Niti-type medical guide wire and method of producing the same | Performing Operations; Transporting | 355 | Expired |
| US8737793B2 | Multi-core optical fiber and method of manufacturing the same | Chemistry; Metallurgy | 245 | Active |
| US8755659B2 | Optical transmission system and multi-core optical fiber | Physics | 235 | Active |
| US8094985B2 | Multi-core holey fiber and optical transmission system | Electricity | 232 | Active |
| US7809223B2 | Polarization-maintaining optical fiber, method of manufacturing polarization-maintaining optical-fiber connecting portion, and polarization-maintaining optical-fiber connecting portion | Chemistry; Metallurgy | 223 | Active |
| US9142334B2 | Foamed electrical wire and a method of producing the same | Electricity | 208 | Active |
| US4991542A | Method of forming a thin film by plasma CVD and apapratus for forming a thin film | Electricity | 192 | Expired |
| US6461054B1 | Adapter having a light-shielding shutter and optical module receptacle having a light-shielding shutter | Physics | 175 | Expired |
| US6082443A | Cooling device with heat pipe | Electricity | 157 | Expired |
| US5892912A | Method of managing virtual networks using a virtual network identifier | Electricity | 147 | Expired |
| US5368661A | Method for joining parts of Ni-Ti alloys with different metals | Emerging Cross-Sectional Technologies | 136 | Expired |
| US5724041A | Spread spectrum radar device using pseudorandom noise signal for detection of an object | Physics | 124 | Expired |
| US6292288A | Raman amplifier, optical repeater, and raman amplification method | Electricity | 113 | Expired |
| US5358796A | Joined parts of Ni-Ti alloys with different metals and joining method therefor | Emerging Cross-Sectional Technologies | 102 | Expired |
| US5409055A | Heat pipe type radiation for electronic apparatus | Electricity | 100 | Expired |
| US5600747A | Method of collectively connecting multiple optical connectors and aligning and positioning jig for multiple optical connectors used in the method | Physics | 99 | Expired |
| US5959571A | Radar device | Physics | 99 | Expired |
| US5960135A | Optical integrated circuit for bidirectional communications and method for producing the same | Physics | 96 | Expired |
| US6269866A | Cooling device with heat pipe | Electricity | 95 | Expired |
| US5641364A | Method of manufacturing high-temperature shape memory alloys | Chemistry; Metallurgy | 89 | Expired |
| US6756697B2 | Mounting structure including communication system for transmitting multiplex control signal to vehicle electrical devices | Performing Operations; Transporting | 82 | Expired |
| US5431506A | Property of bonded metal, including forming material of nickel-titatium alloy, and the method of manufacturing the same | Emerging Cross-Sectional Technologies | 78 | Expired |
| US5231249A | Insulated power cable | Electricity | 77 | Expired |
| US5883736A | Er-doped optical fiber amplifier | Electricity | 76 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.