- Electronics and Microelectronics, Instrumentation 44,960
- Circuits and Systems 12,405
- Electrical Engineering 7,556
- Optical and Electronic Materials 5,145
- Communications Engineering, Networks 5,045
- Control, Robotics, Mechatronics 3,758
- Signal, Image and Speech Processing 3,620
- Energy Systems 3,439
- Power Electronics, Electrical Machines and Networks 3,278
- Optics, Lasers, Photonics, Optical Devices 2,864
- Electronic Circuits and Devices 2,735
- Characterization and Evaluation of Materials 2,609
- Engineering, general 2,467
- Microwaves, RF and Optical Engineering 2,291
- Nanotechnology 2,064
- Processor Architectures 1,969
- Condensed Matter Physics 1,739
- Software Engineering/Programming and Operating Systems 1,677
- Artificial Intelligence 1,631
- Measurement Science and Instrumentation 1,556