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For the Inventor, By the Inventor

Yokohama, Japan

Akihiko Yoshizawa

This inventor holds 15 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1997-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiko Yoshizawa. Retrieved from https://idiyas.com/inventor/akihiko-yoshizawa

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

USPTO Granted Patents = 15

% Patents Active = 86.7

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 194(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2004)
  • Yokohama, JP (1997 - 2005)

Company Filing History:

goldMedal15 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1997-2005

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15 patents (USPTO):Explore Patents
1. 6853256 - Voltage controlled oscillator with reference current generator (2005-02-08),
2. 6784719 - Level shift circuit for transmitting signal from leading edge to trailing edge of input signal (2004-08-31),
3. 6696828 - Integrated circuit and lot selection system therefor (2004-02-24),
4. 6611177 - Voltage controlled oscillator including fluctuation transmitter for transmitting potential fluctuation by noise (2003-08-26),
5. 6538490 - Offset compensation circuit and offset compensation method (2003-03-25),
6. 6323738 - Voltage-controlled ring oscillator with level converting and amplitude control circuits (2001-11-27),
7. 6259290 - Delay locked loop having a mis-lock detecting circuit (2001-07-10),
8. 6246271 - Frequency multiplier capable of generating a multiple output without feedback control (2001-06-12),
9. 6177846 - Ring oscillator type voltage controlled oscillator (2001-01-23),
10. 6163288 - Digital-to-analog converter in which an analog output of low order bits (2000-12-19),
11. 6011444 - Voltage controlled oscillator circuit (2000-01-04),
12. 6005420 - Frequency multiplying circuit having a greater multiplying ratio (1999-12-21),
13. 5955902 - Frequency multiplier using a voltage controlled delay circuit (1999-09-21),
14. 5909474 - Phase-locked loop system (1999-06-01),
15. 5594391 - N-stage ring connected voltage controlled oscillator (1997-01-14),

Title: Akihiko Yoshizawa: Innovator in Voltage Control Technology

Introduction

Akihiko Yoshizawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of electronics, particularly in the development of voltage-controlled oscillators and level shift circuits. With a total of 15 patents to his name, Yoshizawa continues to push the boundaries of innovation in his industry.

Latest Patents

Yoshizawa's latest patents include a voltage-controlled oscillator with a reference current generator. This invention features a first current-controlled oscillator that outputs an oscillation signal of a first frequency, which is equal to the product of a first control current and a first gain. Additionally, a first voltage/current converting circuit outputs a first output current that is equal to the product of a second gain and the voltage difference between a first control voltage and a first reference voltage. Furthermore, a level shift circuit for transmitting signals from the leading edge to the trailing edge of an input signal is another notable invention. This circuit encompasses a first transmission circuit configured to transmit the leading edge of an input signal, a second transmission circuit for the trailing edge, and a composite circuit that generates an output signal by synthesizing both edges.

Career Highlights

Yoshizawa is currently employed at Kabushiki Kaisha Toshiba, where he applies his expertise in electronics to develop cutting-edge technologies. His work has been instrumental in advancing the capabilities of various electronic devices.

Collaborations

Throughout his career, Yoshizawa has collaborated with notable colleagues, including Shuichi Takada and Kyoichi Takenaka. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Akihiko Yoshizawa is a distinguished inventor whose work in voltage control technology has made a lasting impact on the electronics industry. His numerous patents and collaborations highlight his commitment to innovation and excellence.

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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