Tochigi, Japan

Osamu Ichihara

This inventor holds 2 USPTO granted patents. Top assignee: Sony Chemicals Corporation. Active years: 2001-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Ichihara. Retrieved from https://idiyas.com/inventor/osamu-ichihara-nc1h0nfv

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 = 9.0

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2001-2002

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2 patents (USPTO):Explore Patents

Title: Osamu Ichihara: Innovator in Flexible Printed Circuit Board Technology

Introduction

Osamu Ichihara is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of flexible printed circuit boards, holding two patents that showcase his innovative approach to technology. His work is particularly relevant in the electronics industry, where the demand for flexible and efficient circuit solutions continues to grow.

Latest Patents

Ichihara's latest patents include a design for a flexible printed circuit board aimed at minimizing curling. This innovative board features a first polyimide-resin layer with a conductor pattern formed on one surface, which supports the conductor pattern effectively. A second polyimide-resin layer is applied to the opposite surface, covering and protecting the circuit. The selection of polyimide-resin layers is critical, as it ensures that the difference in the coefficient of linear thermal expansion between the two layers is 3×10/K or smaller, enhancing the board's performance and reliability.

Career Highlights

Osamu Ichihara is currently employed at Sony Chemicals Corporation, where he continues to develop cutting-edge technologies in the field of electronics. His work at Sony has allowed him to collaborate with other talented professionals and contribute to advancements in flexible circuit technology.

Collaborations

Ichihara has worked alongside Akira Tsutsumi, a fellow innovator in the industry. Their collaboration has fostered an environment of creativity and innovation, leading to the development of new technologies that push the boundaries of what is possible in flexible printed circuit design.

Conclusion

Osamu Ichihara's contributions to flexible printed circuit board technology highlight his role as a key innovator in the electronics field. His patents reflect a commitment to improving the functionality and reliability of electronic components. Through his work at Sony Chemicals Corporation, Ichihara continues to influence the future of technology.

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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