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For the Inventor, By the Inventor

Mitaka, Japan

Shokichiro Yoshikawa

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Telegraph and Telephone Public Corporation. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shokichiro Yoshikawa. Retrieved from https://idiyas.com/inventor/shokichiro-yoshikawa

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

USPTO Granted Patents = 1

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 17(Granted Patents)


Company Filing History:

goldMedal1 out of 522 
 
Nippon Telegraph and Telephone Public Corporation
 patents

Years Active: 1980

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1 patent (USPTO):Explore Patents
1. 4193045 - Temperature compensated surface acoustic wave oscillators (1980-03-11),

Title: Shokichiro Yoshikawa: Innovator in Surface Acoustic Wave Technology.

Introduction

Shokichiro Yoshikawa is a notable inventor based in Mitaka, Japan. He has made significant contributions to the field of surface acoustic wave (SAW) technology. His innovative work has led to the development of advanced oscillators that are crucial in various applications.

Latest Patents

Yoshikawa holds a patent for "Temperature compensated surface acoustic wave oscillators." This invention involves a plurality of parallel-connected surface acoustic wave resonators, which have different oscillation frequencies and turnover temperatures. These resonators are connected to an active element containing circuit to form a SAW oscillator. The oscillator frequency deviation due to temperature is maintained within a small allowable range by satisfying specific formulas.

Career Highlights

Yoshikawa is associated with Nippon Telegraph and Telephone Public Corporation, where he has been instrumental in advancing telecommunications technology. His work has not only enhanced the performance of SAW oscillators but has also contributed to the overall efficiency of communication systems.

Collaborations

Yoshikawa has collaborated with notable colleagues, including Kouji Houkawa and Yoshiki Yamauchi. Their combined expertise has fostered innovation and development in the field of surface acoustic wave technology.

Conclusion

Shokichiro Yoshikawa's contributions to surface acoustic wave technology exemplify the impact of innovative thinking in engineering. His patent on temperature compensated SAW oscillators showcases his commitment to advancing technology in telecommunications.

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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