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For the Inventor, By the Inventor

Tokyo, Japan

Yoshihiko Narisawa

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignee: Nippon Mektron Limited. Active years: 2015-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiko Narisawa. Retrieved from https://idiyas.com/inventor/yoshihiko-narisawa

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

USPTO Granted Patents = 6 

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Ushiku, JP (2015)
  • Tokyo, JP (2015 - 2022)

Company Filing History:

goldMedal6 out of 273 
 
Nippon Mektron Limited
 patents

Years Active: 2015-2022

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6 patents (USPTO):Explore Patents
1. 11219123 - Printed circuit board and method for manufacturing same (2022-01-04),
2. 11137437 - Probe device, electrical inspection apparatus, and electrical inspection method (2021-10-05),
3. 10736208 - Printed wiring board for high frequency transmission (2020-08-04),
4. 9274415 - Photomask, photomask set, exposure apparatus and exposure method (2016-03-01),
5. 9170483 - Photomask, photomask set, exposure apparatus and exposure method (2015-10-27),
6. 9148963 - Laser processing method and production method of multilayer flexible printed wiring board using laser processing method (2015-09-29),

Title: **Yoshihiko Narisawa: A Pioneer in Printed Circuit Board Innovations**

Introduction

Yoshihiko Narisawa is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of electronics and printed circuit board technologies. With a total of six patents to his name, Narisawa has made remarkable strides in enhancing the efficiency and functionality of electronic devices.

Latest Patents

Among his latest innovations are two noteworthy patents. The first, titled "Printed Circuit Board and Method for Manufacturing Same," describes a printed circuit board that features a first dielectric layer, adhesive layers, and specific metal foil patterns. This design allows for a signal line to have higher conductivity than the ground layer, optimizing circuit performance. The second patent, "Probe Device, Electrical Inspection Apparatus, and Electrical Inspection Method," outlines a probe device designed for the electrical inspection of printed wiring boards. This device incorporates multiple wire probes that can simultaneously engage with a wire, facilitating efficient electrical connectivity and inspection.

Career Highlights

Yoshihiko Narisawa currently works at Nippon Mektron Limited, a company well-regarded for its advancements in electronic components and printed circuit boards. His innovations have played a vital role in improving manufacturing processes and electrical inspection techniques, reflecting his dedication to the field.

Collaborations

Throughout his career, Narisawa has collaborated with esteemed colleagues such as Fumihiko Matsuda and Shoji Takano. Together, they have contributed to research and development initiatives that have further advanced the state of printed circuit board technology.

Conclusion

Yoshihiko Narisawa's expertise and inventive spirit have established him as a key player in the electronics industry. With his continued focus on innovation and collaboration, he remains committed to pushing the boundaries of technology and enhancing the performance of electronic devices.

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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