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For the Inventor, By the Inventor

Fukushima-ken, Japan

Kazuharu Aoki

USPTO Granted Patents = 17 

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 142(Granted Patents)


Location History:

  • Soma, JP (1982 - 1995)
  • Fukushima-ken, JP (1999 - 2008)
  • Miyagi-ken, JP (2011)

Company Filing History:

goldMedal17 out of 4,048 
 
Alps Electric Co., Ltd.
 patents

Years Active: 1982-2011

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17 patents (USPTO):Explore Patents
1. 8018297 - Balanced-unbalanced conversion circuit (2011-09-13),
2. 7400197 - Gain control circuit capable of reducing change in gain due to variation of ambient temperature (2008-07-15),
3. 6965759 - Frequency synthesizer capable of obtaining signals in three frequency bands (2005-11-15),
4. 6608502 - Compact transmitter detection circuit with a wide dynamic range (2003-08-19),
5. 6359518 - Signal level adjusting circuit using coupling stage for preventing variation from resulting in each operating point of first amplifying stage and second amplifying stage (2002-03-19),
6. 6236848 - Receiver integrated circuit for mobile telephone (2001-05-22),
7. 6177837 - Active low-pass filter (2001-01-23),
8. 6114921 - Double-balanced modulator and quadri-phase shift keying device (2000-09-05),
9. 5926749 - Amplifier circuit having common AGC to IF and RF amplifiers for use in a (1999-07-20),
10. 5900782 - AGC voltage correction circuit (1999-05-04),
11. 5900781 - Multistage variable gain amplifier circuit (1999-05-04),
12. 5471654 - Transmitting/receiving unit having automatic gain control system with (1995-11-28),
13. 5327097 - Gain control circuit (1994-07-05),
14. 4596044 - UHF-VHF combination tuner (1986-06-17),
15. 4581768 - VHF tuner (1986-04-08),

Title: Innovations and Contributions of Kazuharu Aoki

Introduction

Kazuharu Aoki is an accomplished inventor based in Fukushima-ken, Japan, with a remarkable portfolio of 17 patents. His contributions to the field of electronics and circuit design are notable, showcasing his dedication to innovation and technological advancement. Aoki's work is primarily associated with Alps Electric Co., Ltd., where he has been able to leverage his skills to develop cutting-edge technologies.

Latest Patents

Among Aoki's latest patents is the design for a balanced-unbalanced conversion circuit. This innovative circuit includes a first coupling line and an unbalanced terminal, facilitating the conversion between balanced and unbalanced signals while maintaining signal integrity. Additionally, he developed a gain control circuit that effectively reduces gain variation due to ambient temperature changes. This circuit utilizes a variable resistor element, a control unit, and a current-detecting resistor to ensure a stable gain, irrespective of external temperature fluctuations.

Career Highlights

Kazuharu Aoki has established himself in the electronics industry through his significant inventions. His extensive experience and expertise have made him a valuable asset to Alps Electric Co., Ltd. Aoki’s patents not only reflect his ingenuity but also contribute to advancements in electronic circuitry that impact various applications in modern technology.

Collaborations

Aoki's collaborative spirit is evident through his work with noteworthy colleagues Sadao Igarashi and Satoshi Urabe. Together, they have pushed the boundaries of innovation, fostering a creative environment that leads to impactful inventions in the field of electronics.

Conclusion

Kazuharu Aoki's journey as an inventor exemplifies the importance of innovation in technology. His array of patents and collaborative efforts highlight his commitment to advancing electronic design. As technology continues to evolve, Aoki’s contributions will undoubtedly leave a lasting impact on the industry.

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