Hiroaki Yamagishi

This inventor holds 15 USPTO granted patents and 1 published patent application, plus 2 CIPO patents and 5 EPO patents. Top assignees: Ntt Docomo, Inc., Amano Corporation. Active years: 2004-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Yamagishi. Retrieved from https://idiyas.com/inventor/hiroaki-yamagishi

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

USPTO Granted Patents = 15 (Patent Applications = 1)

% Patents Active = 60.0

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 5 (Patent Applications = 5)

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 33(Granted Patents)

Location History:

Kanagawa, JP (2013)
Yokohama, JP (2004 - 2014)
Tokyo, JP (2015)

Company Filing History:

Years Active: 2004-2015

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9042834 - Mobile station (2015-05-26),

2. 8855666 - Location registration processing method and mobile station (2014-10-07),

3. 8849236 - Emergency-information receiving method, mobile station, and radio base station (2014-09-30),

4. 8576799 - Mobile communication method and mobile station (2013-11-05),

5. 8532058 - Mobile station and mobile communication method (2013-09-10),

6. 8472407 - Handover control method, cell reselection method and mobile station (2013-06-25),

7. 8442026 - Mobile communication method and mobile station (2013-05-14),

8. 8417251 - Mobile station, mobile communication method and network device (2013-04-09),

9. 8355724 - Handover control method, cell reselection method and mobile station (2013-01-15),

10. 8301143 - Mobile station and mobile communication method (2012-10-30),

11. 8175663 - Radio base station and mobile station (2012-05-08),

12. 8131289 - Mobile communication terminal and mobile communication control method (2012-03-06),

13. 8125960 - Mobile communication method, mobile station, and wireless access network apparatus (2012-02-28),

14. 6817537 - Time card and time recorder system using time card (2004-11-16),

15. 6765600 - Time recorder with a card feed rate adjustment function and time card for use in the same (2004-07-20),

Title: Hiroaki Yamagishi: A Visionary in Mobile Station Innovations

Introduction

Hiroaki Yamagishi, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of telecommunications. With a remarkable portfolio of 15 patents, his work focuses primarily on enhancing mobile station technologies, which play a crucial role in modern telecommunications.

Latest Patents

Among Hiroaki's latest inventions are two noteworthy patents that demonstrate his expertise in mobile station functionality. The first patent relates to a mobile station (UE) designed to repeatedly transmit a first measurement report that includes the radio quality of a first cell, followed by a second measurement report for a second cell. This innovative configuration allows for improved efficiency in data transmission timings.

The second patent introduces a location registration processing method for mobile stations (UE), which involves initiating location registration based on predetermined system information broadcasted by a radio base station (eNB). This invention enhances the accuracy and efficiency of location-based services in mobile communications.

Career Highlights

Hiroaki Yamagishi's career has been marked by his tenure at prestigious companies such as NTT Docomo, Inc. and Amano Corporation. His work at these firms has solidified his reputation as a leading figure in the telecommunications industry, where he has consistently pushed the boundaries of mobile technology.

Collaborations

Throughout his career, Hiroaki has collaborated with prominent professionals in the field, including fellow innovators Mikio Iwamura and Masashi Kanauchi. Their collective efforts have contributed to the advancement of mobile technology and have played a significant role in the development of cutting-edge solutions for mobile stations.

Conclusion

Hiroaki Yamagishi continues to be a vital contributor to the innovations in telecommunications, particularly in mobile station systems. His patents reflect a deep understanding of technology and a commitment to enhancing communication efficiency, paving the way for future advancements in the industry.

Profile summary based on public USPTO records.