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For the Inventor, By the Inventor

Soma, Japan

Akiyuki Yoshisato

This inventor holds 20 USPTO granted patents, primarily in Electronic Circuit Design. Top assignee: Alps Electric Co., Ltd.. Active years: 1976-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akiyuki Yoshisato. Retrieved from https://idiyas.com/inventor/akiyuki-yoshisato

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 20

% Patents Active = 65.0

Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 159(Granted Patents)


Location History:

  • Soma, JA (1976)
  • Soma, JP (1979 - 1986)
  • Fukushima-ken, JP (2003 - 2009)

Company Filing History:

goldMedal20 out of 4,048 
 
Alps Electric Co., Ltd.
 patents

Years Active: 1976-2009

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Areas of Expertise:
Diplexer
Miniaturization
Oscillator
Surface-Mounting
Phase Locked Loop
Capacitance Detector
SSB Transceiver
Video Clamping
Quartz Crystal
20 patents (USPTO):Explore Patents
1. 7496332 - Diplexer (2009-02-24),
2. 6933587 - Electronic circuit unit suitable for miniaturization (2005-08-23),
3. 6714420 - Electronic circuit unit that is suitable for miniaturization and suitable for simple output adjustment (2004-03-30),
4. 6700177 - Compact, surface-mounting-type, electronic-circuit unit (2004-03-02),
5. 6664862 - Oscillator with constant output level over oscillation frequency range (2003-12-16),
6. 6603667 - Electronic circuit unit that is suitable for miniaturization and excellent in high frequency characteristic (2003-08-05),
7. 6518658 - Surface-mounting type electronic circuit unit suitable for miniaturization (2003-02-11),
8. 4568980 - Video clamping correction circuit (1986-02-04),
9. 4556988 - Indoor unit of receiver for broadcasting satellite (1985-12-03),
10. 4544951 - Video clamping circuit (1985-10-01),
11. 4535435 - Capacitance detector for video disk (1985-08-13),
12. 4479091 - Phase locked loop FM demodulator with variable bandwidth loop filter (1984-10-23),
13. 4426627 - Phase-locked loop oscillator circuit utilizing a sub-loop with a second (1984-01-17),
14. 4415929 - Video clamp circuit (1983-11-15),
15. 4274066 - Quartz crystal oscillator (1981-06-16),

**Title: Akiyuki Yoshisato: Pioneering Innovations in Electronic Circuit Technology**

Introduction

Akiyuki Yoshisato, based in Soma, Japan, is a distinguished inventor recognized for his significant contributions to electronic engineering. With a remarkable portfolio of 20 patents, Yoshisato has played a vital role in advancing technology, particularly in the fields of diplexers and miniaturized electronic circuits. His innovative solutions are pivotal in enhancing communication systems and electronics.

Latest Patents

Among his latest inventions is the **Diplexer**, which features a common terminal connected to an antenna, optimized for handling signals across multiple high and low frequency bands. The design integrates a high pass filter and low trap circuits for low frequency attenuation, ensuring efficient signal management.

Another notable invention is the **Electronic Circuit Unit Suitable for Miniaturization**. This innovative unit is designed for surface mounting, employing thin-film circuit elements—including capacitors, resistors, and inductance—formed on an alumina substrate. The invention also innovatively utilizes a semiconductor bare chip of a diode and a transistor, facilitated through wire bonding, revolutionizing the way electronic components are organized and mounted.

Career Highlights

Yoshisato is currently employed at **Alps Electric Co., Ltd.**, a leading company in the electronic components industry. His work has not only contributed to the company’s success but has also positioned him as a prominent figure in the field of electronic innovation. His extensive patent collection reflects his commitment to research and development in highly technical areas.

Collaborations

Collaboration is a crucial aspect of Yoshisato's career. He has partnered with talented colleagues such as Kazuhiko Ueda and Akihiko Inoue, pooling their expertise to push the boundaries of what is possible in electronic circuitry. These collaborations foster a creative environment that encourages innovative solutions and groundbreaking inventions.

Conclusion

Akiyuki Yoshisato continues to be an influential inventor whose work in electronic circuit technology demonstrates the importance of innovation in modern electronics. His patents, particularly in diplexers and miniaturization techniques, underscore the potential for technology to evolve and improve efficiency across various applications. As he remains active in his field, the impact of his inventions will undoubtedly resonate for years to come.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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