Mitsubishi Electric Corporation
45,407Patents
20,707Active
45,407Granted
55Portfolio score
Filing activity: May 9, 1945 → Mar 13, 2025 · 5,088 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6221023A | Sensor for intra-corporeal medical device and a method of manufacture | Human Necessities | 1,146 | Expired |
| US4366544A | Judging system for detecting failure of machine | Physics | 1,051 | Expired |
| US3944163A | Seat belt retractor | Performing Operations; Transporting | 1,012 | Expired |
| US5404960A | Motor-driven power steering apparatus for automobiles | Performing Operations; Transporting | 993 | Expired |
| US5293024A | Machining apparatus with automatic restart function | Performing Operations; Transporting | 964 | Expired |
| US4788485A | Apparatus for controlling electric motor | Emerging Cross-Sectional Technologies | 839 | Expired |
| US5386285A | Obstacle detecting device for a vehicle | Physics | 649 | Expired |
| US5424952A | Vehicle-surroundings monitoring apparatus | Physics | 642 | Expired |
| US5178682A | Method for forming a thin layer on a semiconductor substrate and apparatus therefor | Electricity | 608 | Expired |
| US5475494A | Driving environment surveillance apparatus | Physics | 590 | Expired |
| US5496408A | Apparatus for producing compound semiconductor devices | Electricity | 567 | Expired |
| US6465892B1 | Interconnect structure for stacked semiconductor device | Electricity | 533 | Expired |
| US5782979A | Substrate holder for MOCVD | Chemistry; Metallurgy | 513 | Expired |
| US8884560B2 | Inverter device and air conditioner including the same | Emerging Cross-Sectional Technologies | 484 | Active |
| US5739552A | Semiconductor light emitting diode producing visible light | Electricity | 466 | Expired |
| US5201039A | Multiple address-space data processor with addressable register and context switching | Physics | 459 | Expired |
| US7806078B2 | Plasma treatment apparatus | Electricity | 454 | Active |
| US6172918A | Semiconductor memory device allowing high-speed operation of internal data buses | Physics | 445 | Expired |
| US5835988A | Packed semiconductor device with wrap around external leads | Electricity | 441 | Expired |
| US6151244A | Dynamic semiconductor memory device | Physics | 437 | Expired |
| US4977542A | Dynamic semiconductor memory device of a twisted bit line system having improved reliability of readout | Physics | 432 | Expired |
| US5724366A | Semiconductor memory device | Physics | 422 | Expired |
| US5379257A | Semiconductor integrated circuit device having a memory and an operational unit integrated therein | Physics | 419 | Expired |
| US4442841A | Electrode for living bodies | Human Necessities | 400 | Expired |
| US5174881A | Apparatus for forming a thin film on surface of semiconductor substrate | Chemistry; Metallurgy | 397 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.