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Takaya Maruyama

USPTO Granted Patents = 13 (Patent Applications = 3)

EPO Patents = 3 (Patent Applications = 3)

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 40(Granted Patents)

Location History:

Itami, JP (2008)
Tokyo, JP (1999 - 2021)

Company Filing History:

6 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

4 out of 15,895

Mitsubishi Electric Corporation

Renesas Electronics Corporation

4. 1 out of 3,781

Renesas Technology Corp.

Years Active: 1999-2021

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11005429 - Current amplifier (2021-05-11),

2. 10530338 - Phase shift precision calibration circuitry, vector sum phase shifter, and wireless communication device (2020-01-07),

3. 10425062 - Polyphase filter and filter circuit (2019-09-24),

4. 10404228 - Transconductance amplifier and phase shifter (2019-09-03),

5. 8571496 - Semiconductor device for signal amplification (2013-10-29),

6. 8116715 - Filter circuit and communication semiconductor device using the same (2012-02-14),

7. 7382175 - Frequency mixer preventing degradation in linearity on amplitude of input signal (2008-06-03),

8. 6717469 - Gain control circuit for controlling a gain in a variable gain cell (2004-04-06),

9. 6313704 - Multi-stage signal amplifying circuit (2001-11-06),

10. 6275121 - Microwave circuit for phase shifting having voltage transforming means to control switching (2001-08-14),

11. 6144233 - Gain control circuit for controlling operation of a variable-gain (2000-11-07),

12. 6100760 - Variable gain amplifier (2000-08-08),

13. 5932926 - Microwave semiconductor integrated circuit (1999-08-03),

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