Average Co-Inventor Count = 3.49
ph-index = 14
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Renesas Technology Corp. (15 from 3,781 patents)
2. Ttpcom Limited (12 from 26 patents)
3. Snaptrack Incorporated (7 from 213 patents)
4. Nujira Limited (6 from 41 patents)
5. Skyworks Solutions, Inc. (4 from 2,637 patents)
6. Ttp Com Limited (4 from 5 patents)
7. Hitachi, Ltd. (2 from 42,496 patents)
8. Hitachi Ulsi Systems Co., Ltd. (1 from 336 patents)
9. Hitachi Device Engineering Co., Ltd. (1 from 217 patents)
10. Tipcom Limited (1 from 3 patents)
11. Hitachi Advanced Digital, Inc. (1 from 2 patents)
31 patents:
1. 10382147 - Methods of calibrating a power amplifier system to compensate for envelope amplitude misalignment
2. 9571152 - Apparatus and methods for calibration of envelope trackers
3. 9496825 - Power supply arrangement for multi-stage amplifier
4. 9294043 - Apparatus and methods for calibrating envelope trackers
5. 9270230 - Power supply arrangement for multi-stage amplifier
6. 9225292 - Power control
7. 9172341 - Power supply pre-distortion
8. 8989682 - Apparatus and methods for envelope tracking calibration
9. 8981846 - Joint optimisation of supply and bias modulation
10. 8947162 - Power control
11. 8659355 - Power supply arrangement for multi-stage amplifier
12. 8570105 - Power control
13. 8093946 - Joint optimisation of supply and bias modulation
14. 7504903 - Communication semiconductor integrated circuit device and a wireless communication system
15. 7480345 - Semiconductor integrated circuit for communication, radio-communication apparatus, and transmission starting method