Saitama, Japan

Junichi Ichikawa

This inventor holds 12 USPTO granted patents. Top assignee: Nippon Cmk Corp.. Active years: 1990-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junichi Ichikawa. Retrieved from https://idiyas.com/inventor/junichi-ichikawa-b0y9mpsh

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 98(Granted Patents)


Location History:

  • Miyoshi, JP (1993)
  • Saitama, JP (1990 - 1994)
  • Iruma, JP (1993 - 1995)

Company Filing History:


Years Active: 1990-1995

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12 patents (USPTO):Explore Patents

Title: Innovations of Junichi Ichikawa: A Pioneer in Electromagnetic Wave Shielding Technology

Introduction

Junichi Ichikawa is a prominent inventor based in Saitama, Japan, known for his groundbreaking work in the field of printed wiring boards. With a remarkable portfolio of 12 patents, Ichikawa has significantly contributed to advancements in electromagnetic wave shielding technology, enhancing both the functionality and performance of electronic devices.

Latest Patents

Ichikawa's recent innovations include two notable patents related to printed wiring boards. The first patent focuses on a printed wiring board that incorporates an electromagnetic wave shielding layer. This design features a substrate with a printed wiring circuit and an insulating layer, with the shielding layer positioned above it. An important aspect of this invention is the contrasting colors of the shielding layer and the overcoat layer, which facilitates easy visual inspection of the overcoat layer's condition.

The second patent presents a method for manufacturing printed wiring boards with electromagnetic wave shielding. This method involves providing a substrate and forming a printed circuit, followed by the creation of insulating layers with circular apertures. The distinct opening shape aids in the efficient formation of the shielding layer, implemented through a silk screening process that employs conductive paste.

Career Highlights

Junichi Ichikawa has established a strong reputation in the electronics manufacturing industry through his pioneering contributions. He is currently employed at Nippon CMK Corporation, a company known for its innovative approaches to printed circuit board technology. Throughout his career, Ichikawa has demonstrated a consistent ability to address complex engineering challenges through inventive solutions.

Collaborations

Ichikawa's work has often been collaborative, and he has worked alongside skilled colleagues such as Hirotaka Okonogi and Katsutomo Nikaido. Their combined expertise has further propelled advancements in the field, allowing them to tackle intricate problems and develop cutting-edge technologies in the realm of electronic components.

Conclusion

In summary, Junichi Ichikawa's contributions to the field of printed wiring boards and electromagnetic wave shielding technology position him as a key figure in advancing electronic manufacturing. His innovative patents and collaborative efforts continue to shape the landscape of modern electronics, making a lasting impact on the industry.

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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