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For the Inventor, By the Inventor

Nagano, Japan

Yoshiyuki Yamaguchi

This inventor holds 12 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 2016-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyuki Yamaguchi. Retrieved from https://idiyas.com/inventor/yoshiyuki-yamaguchi

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

USPTO Granted Patents = 12

% Patents Active = 91.7

Average Co-Inventor Count = 1.6

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Minowa, JP (2016 - 2017)
  • Chino, JP (2023)
  • Nagano, JP (2021 - 2024)

Company Filing History:

goldMedal12 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 2016-2025

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12 patents (USPTO):Explore Patents
1. 12360616 - Display apparatus and image forming apparatus (2025-07-15),
2. 12119821 - Semiconductor integrated circuit (2024-10-15),
3. 12105921 - Image forming apparatus, jig used for operating image forming apparatus, and electronic device (2024-10-01),
4. 11993090 - Printing device (2024-05-28),
5. 11954274 - Printing device (2024-04-09),
6. 11711069 - Semiconductor integrated circuit (2023-07-25),
7. 11467689 - Printing device (2022-10-11),
8. 11301092 - Display device with electrostatic capacitive touch panel (2022-04-12),
9. 11144166 - Display device with electrostatic capacitive touch panel (2021-10-12),
10. 11054951 - Display device with electrostatic capacitive touch panel (2021-07-06),
11. 9577604 - Electronic component, oscillator, electronic apparatus, and moving object (2017-02-21),
12. 9362886 - Electronic component, oscillator, electronic apparatus, and moving object (2016-06-07),

Title: Innovations of Yoshiyuki Yamaguchi

Introduction

Yoshiyuki Yamaguchi is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of technology, particularly in display and semiconductor integrated circuits. With a total of 12 patents to his name, Yamaguchi continues to push the boundaries of innovation.

Latest Patents

Yamaguchi's latest patents include a display apparatus and an image forming apparatus. The display apparatus features a touch panel that includes a transparent electrode and a first locking portion. This touch panel is designed to be detachably fixed to the display apparatus by securing the first locking portion to a second locking portion without the use of adhesive. Another notable patent is for a semiconductor integrated circuit, which includes an oscillation circuit that outputs an oscillation signal. This circuit is equipped with a heater to maintain optimal temperature, a temperature sensor for detecting the oscillation circuit's temperature, and a nonvolatile memory for storing temperature correction data. The oscillation circuit adjusts the frequency of the oscillation signal based on the temperature sensor's output and the stored correction data.

Career Highlights

Yoshiyuki Yamaguchi is currently associated with Seiko Epson Corporation, where he applies his expertise in developing innovative technologies. His work has significantly impacted the company's product offerings and technological advancements.

Collaborations

Yamaguchi has collaborated with notable coworkers such as Toru Matsuyama and Yuichi Takebayashi. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Yoshiyuki Yamaguchi's contributions to technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative spirit continues to inspire advancements in display and semiconductor technologies.

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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