Tokyo, Japan

Katsuhiko Yamakawa

This inventor holds 6 USPTO granted patents. Top assignees: Harada Industry Co., Ltd., Harada Kogyo Kabushiki Kaisha. Active years: 1995-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Yamakawa. Retrieved from https://idiyas.com/inventor/katsuhiko-yamakawa

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1995-1999

Loading Chart...
6 patents (USPTO):Explore Patents

Title: Katsuhiko Yamakawa: Innovator in Antenna Technology

Introduction

Katsuhiko Yamakawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of antenna technology, holding a total of 6 patents. His innovative designs have paved the way for advancements in communication systems.

Latest Patents

One of his latest patents is the illuminant-mounted antenna. This invention features a rod-shaped antenna element with an illuminant mounted on top. The lighting means for this illuminant is powered by high-frequency energy generated on the antenna element when a portable transceiver is in operation. The design includes a high-frequency detecting diode and an inductive element, which are crucial for the functionality of the antenna. Another notable patent is the antenna designed specifically for automobiles, showcasing his versatility in antenna applications.

Career Highlights

Throughout his career, Yamakawa has worked with prominent companies such as Harada Industry Co., Ltd. and Harada Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Yamakawa has collaborated with talented individuals in the field, including Shigeru Uchino and Yoshimi Egashira. These partnerships have further enhanced his work and led to the development of groundbreaking technologies.

Conclusion

Katsuhiko Yamakawa's contributions to antenna technology are significant and impactful. His innovative patents and collaborations reflect his dedication to advancing communication systems. His work continues to inspire future innovations in the field.

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]
Loading…