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For the Inventor, By the Inventor

Shiojiri, Japan

Tsubasa Shirai

This inventor holds 10 USPTO granted patents and 8 published patent applications. Top assignee: Seiko Epson Corporation. Active years: 2012-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsubasa Shirai. Retrieved from https://idiyas.com/inventor/tsubasa-shirai

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 = 30.0

Average Co-Inventor Count = 1.2

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Nagano, JP (2013)
  • Suwa, JP (2014)
  • Shiojiri, JP (2012 - 2020)

Company Filing History:

goldMedal10 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 2012-2020

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10 patents (USPTO):Explore Patents
1. 10612919 - Electronic device and altitude calculation method (2020-04-07),
2. 10401504 - Wearable device and method of controlling wearable device (2019-09-03),
3. 10390703 - Information notification system, information notification method, and display apparatus (2019-08-27),
4. 9253751 - Method of calculating movement speed and device for calculating movement speed (2016-02-02),
5. 8775076 - Position calculating method and position calculating device (2014-07-08),
6. 8570214 - Position calculating method and position calculating device (2013-10-29),
7. 8514912 - Search frequency correction method, positioning method, program, and receiving apparatus (2013-08-20),
8. 8358244 - Multipath signal evaluation method, position calculation method, and multipath signal evaluation device (2013-01-22),
9. 8265125 - Code phase error estimating method, code phase calculating method, program, code phase error estimating device, and code phase calculating device (2012-09-11),
10. 8155171 - Multipath signal judging method, program, and multipath signal judging device (2012-04-10),

Title: Tsubasa Shirai: Innovator in Electronic and Wearable Devices

Introduction

Tsubasa Shirai is a prominent inventor based in Shiojiri, Japan. He has made significant contributions to the field of electronic devices and wearable technology. With a total of 10 patents to his name, Shirai continues to push the boundaries of innovation.

Latest Patents

One of his latest patents is an electronic device and altitude calculation method. This device includes a barometric pressure sensor that detects barometric pressure, a GPS sensor for receiving positioning signals, a storage unit for storing waypoint positions and altitudes, and a processing unit that calculates altitude using the barometric pressure and stored data. Another notable patent is for a wearable device and method of controlling it. This running watch features a position detection unit, a sensor unit with various sensors, and a processing unit that determines the user's behavior state and controls the device accordingly.

Career Highlights

Tsubasa Shirai works at Seiko Epson Corporation, a leading company in the technology sector. His work focuses on developing innovative solutions that enhance user experience through advanced electronic and wearable devices.

Collaborations

Shirai collaborates with talented individuals such as Yoshitaka Yamagata and Tatsuhiko Sugiyama. Their combined expertise contributes to the success of their projects and the advancement of technology.

Conclusion

Tsubasa Shirai is a remarkable inventor whose work in electronic and wearable devices has made a significant impact in the industry. His innovative patents and collaborations continue to shape the future of 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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