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For the Inventor, By the Inventor

Iwata, Japan

Tatsuya Kishii

This inventor holds 10 USPTO granted patents. Top assignee: Yamaha Corporation. Active years: 1999-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Kishii. Retrieved from https://idiyas.com/inventor/tatsuya-kishii

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

USPTO Granted Patents = 10

% Patents Active = 40.0

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 28(Granted Patents)


Location History:

  • Hamamatsu, JP (1999 - 2014)
  • Iwata, JP (2007 - 2017)

Company Filing History:

goldMedal10 out of 5,501 
 
Yamaha Corporation
 patents

Years Active: 1999-2017

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10 patents (USPTO):Explore Patents
1. 9535102 - Test signal supplying device and semiconductor integrated circuit (2017-01-03),
2. 8786370 - Power supply control circuit (2014-07-22),
3. 8289075 - Class-D amplifier (2012-10-16),
4. 8289071 - Charge pump (2012-10-16),
5. 8159305 - Amplifying device (2012-04-17),
6. 7714653 - Differential amplifier (2010-05-11),
7. 7554376 - Offset correcting method, offset correcting circuit, and electronic volume (2009-06-30),
8. 7245169 - Offset correcting method, offset correcting circuit, and electronic volume (2007-07-17),
9. 5977896 - Digital-to-analog converter with delta-sigma modulation (1999-11-02),
10. 5937071 - Sound field expanding apparatus with improved tone control system (1999-08-10),

Title: Tatsuya Kishii: Innovator in Semiconductor Technology

Introduction

Tatsuya Kishii is a prominent inventor based in Iwata, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 10 patents. His work focuses on enhancing the efficiency and functionality of electronic devices.

Latest Patents

Among his latest innovations are two notable patents. The first is a test signal supplying device, which includes a first external terminal and a second external terminal that is applied with a predetermined electric potential. This device features an internal load, a test signal generating section, and a detecting section that measures the impedance of an external load based on the detected amplitude of the test signal. The second patent is a power supply control circuit that includes a mode controlling unit. This unit adjusts the power supply voltage of an amplifying section based on its output voltage, ensuring optimal performance.

Career Highlights

Tatsuya Kishii is currently employed at Yamaha Corporation, where he continues to innovate and develop new technologies. His work has significantly impacted the semiconductor industry, leading to advancements in electronic devices.

Collaborations

Throughout his career, Tatsuya has collaborated with notable colleagues, including Masato Miyazaki and Masayoshi Nakamura. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Tatsuya Kishii is a distinguished inventor whose contributions to semiconductor technology have paved the way for advancements in electronic devices. His innovative patents and collaborations reflect his commitment to excellence in the field.

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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