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For the Inventor, By the Inventor

Matsumoto, Japan

Aritsugu Yajima

This inventor holds 10 USPTO granted patents and 4 published patent applications. Top assignee: Seiko Epson Corporation. Active years: 2008-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Aritsugu Yajima. Retrieved from https://idiyas.com/inventor/aritsugu-yajima

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 = 20.0

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Machida, JP (2008)
  • Suwa, JP (2010)
  • Matsumoto, JP (2009 - 2015)
  • Toyama, JP (2019)

Company Filing History:

goldMedal10 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 2008-2019

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10 patents (USPTO):Explore Patents
1. 10382044 - Frequency synthesizer (2019-08-13),
2. 10305499 - Frequency synthesizer (2019-05-28),
3. 9154109 - Vibrator, oscillator, electronic apparatus, moving object, and method of manufacturing vibrator (2015-10-06),
4. 8669824 - Oscillator having a plurality of switchable MEMS vibrators (2014-03-11),
5. 8648663 - Oscillator having a plurality of switchable MEMS vibrators (2014-02-11),
6. 7834710 - Oscillator circuit and electronic device having oscillator circuit (2010-11-16),
7. 7733190 - Oscillation circuit and oscillator (2010-06-08),
8. 7642871 - Surface acoustic wave oscillator and method of varying frequency thereof (2010-01-05),
9. 7484280 - Method for manufacturing a surface acoustic wave element having an interdigital transducer (IDT) electrode (2009-02-03),
10. 7420441 - Method of manufacturing monolithic surface acoustic wave device and integrated circuit (2008-09-02),

Title: Aritsugu Yajima: Innovator in Frequency Synthesis

Introduction

Aritsugu Yajima is a notable inventor based in Matsumoto, Japan. He has made significant contributions to the field of frequency synthesis, holding a total of 10 patents. His work has been instrumental in advancing technology in this area.

Latest Patents

Yajima's latest patents include innovative designs for frequency synthesizers. One of his patents describes a frequency synthesizer that features an oscillating section generating a first signal. It also includes a frequency ratio measuring section that measures the frequency ratio of the first signal and a second signal. A comparing section is utilized to compare the measured frequency ratio with a target value. Additionally, a filter is placed before the comparing section, allowing for adjustments to the frequency of the first signal based on the comparison results.

Career Highlights

Aritsugu Yajima has built a successful career at Seiko Epson Corporation, where he has been able to apply his expertise in frequency synthesis. His innovative approach has led to advancements that benefit various technological applications.

Collaborations

Yajima has worked alongside talented colleagues, including Masayoshi Todorokihara and Tetsuro Matsumoto. Their collaborative efforts have contributed to the success of their projects and innovations.

Conclusion

Aritsugu Yajima is a prominent figure in the field of frequency synthesis, with a strong portfolio of patents and a successful career at Seiko Epson Corporation. His contributions continue to influence advancements in technology.

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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