Company Filing History:

10 out of 7,524

Renesas Electronics Corporation

patents

7 out of 3,781

Renesas Technology Corp.

patents

3 out of 13,651

Murata Manufacturing Co., Ltd.

patents

Years Active: 2007-2016

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9444512 - Semiconductor device and high-frequency module (2016-09-13),

2. 9014654 - Semiconductor apparatus (2015-04-21),

3. 8824974 - Semiconductor integrated circuit device and radio frequency module (2014-09-02),

4. 8676132 - Semiconductor integrated circuit, RF module using the same, and radio communication terminal device using the same (2014-03-18),

5. 8385847 - Switching element, antenna switch circuit and radio frequency module using the same (2013-02-26),

6. 8335479 - Semiconductor integrated circuit, RF module using the same, and radio communication terminal device using the same (2012-12-18),

7. 8330524 - Semiconductor integrated circuit and high frequency module with the same (2012-12-11),

8. 8200167 - Semiconductor integrated circuit, RF module using the same, and radio communication terminal device using the same (2012-06-12),

9. 8159282 - Semiconductor integrated circuit and high frequency module with the same (2012-04-17),

10. 8115234 - Semiconductor device (2012-02-14),

11. 7995972 - Electronic component for communication device and semiconductor device for switching transmission and reception (2011-08-09),

12. 7986927 - Semiconductor integrated circuit device and high-frequency power amplifier module (2011-07-26),

13. 7899412 - Switching element, antenna switch circuit and radio frequency module using the same (2011-03-01),

14. 7783265 - Switching element, antenna switch circuit and radio frequency module using the same (2010-08-24),

15. 7650134 - Semiconductor integrated circuit device and high frequency power amplifier module (2010-01-19),

Title: Innovative Contributions of Akishige Nakajima in Semiconductor Technology

Introduction

Akishige Nakajima is a notable inventor based in Higashiyamato, Japan, recognized for his remarkable contributions to the field of semiconductor technology. With a portfolio comprising 20 patents, his inventive spirit and technical expertise have made a significant impact on the industry.

Latest Patents

Among his latest patents, Nakajima has developed a semiconductor device and a high-frequency module that effectively reduce intermodulation distortion in high-frequency switches. This semiconductor device features an antenna terminal, multiple external terminals, and first high-frequency switches that include field-effect transistors and resistors. The innovation involves sophisticated configurations that enhance the linearity of current-voltage characteristics, particularly beneficial for frequency division duplex systems.

Additionally, his patent on a semiconductor apparatus showcases an advanced mechanism involving multiple field-effect transistors positioned between the antenna terminal and external terminals. This apparatus employs a voltage generating circuit designed to charge a capacitor through a resistor circuit, ensuring efficient signal management by switching the polarity of the RF signal based on control signals.

Career Highlights

Akishige Nakajima has an impressive career highlighted by his tenures at leading technology companies, namely Renesas Electronics Corporation and Renesas Technology Corporation. His work at these organizations has been pivotal in advancing semiconductor technologies and applications.

Collaborations

Throughout his career, Nakajima has collaborated with prominent engineers and inventors, including Yasushi Shigeno and Takashi Ogawa. These partnerships have fostered an environment of innovation and have played a crucial role in the success of his inventions.

Conclusion

Akishige Nakajima's contributions to the semiconductor industry illustrate his innovative mindset and technical prowess. His patents not only enhance the functionality of semiconductor devices but also pave the way for future advancements in high-frequency technologies. As he continues to innovate, Nakajima remains a significant figure in the realm of electronics engineering.

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