Tokyo, Japan

Chihiko Yamada

This inventor holds 3 USPTO granted patents. Top assignee: Toppan Printing Co., Ltd.. Active years: 1982-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chihiko Yamada. Retrieved from https://idiyas.com/inventor/chihiko-yamada

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 = 4.0

ph-index = 3

Forward Citations = 59(Granted Patents)


Company Filing History:


Years Active: 1982-1992

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3 patents (USPTO):Explore Patents

Title: The Innovative Mind of Chihiko Yamada: A Pioneer in Reflective Screen Technology

Introduction: Chihiko Yamada, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of screen technology. With a total of three patents to his name, his work is characterized by innovative designs and practical applications.

Latest Patents: Among his latest patents, Yamada has developed groundbreaking reflective type screens. One of his inventions features a reflective surface layer, a polarizing plate layer, and a diffusion layer, all laminated together to create an integral structure. Another patent describes a reflective type screen that involves a flexible substrate, a polarizer, and a diffusion layer, also bonded by adhesive to enhance functionality. Furthermore, Yamada's additional patent introduces a protective layer system for the polarizer, where both surfaces undergo specific processing to improve light diffusion and mirror-surface qualities. These inventions exemplify his commitment to advancing visual display technologies.

Career Highlights: Chihiko Yamada has built an impressive career at Toppan Printing Co., Ltd., where he continues to push the boundaries of innovation. His work demonstrates not only technical excellence but also a vision for future advancements in how screens are applied in various industries.

Collaborations: Throughout his career, Yamada has collaborated with esteemed colleagues such as Toshiji Fujita and Masaki Nojima. These partnerships have fostered a creative environment that has led to new inventions and improvements in existing technologies.

Conclusion: Chihiko Yamada stands out as a remarkable inventor whose contributions to reflective screen technology have had a profound impact on the industry. His patents not only showcase his innovative spirit but also serve as a foundation for future advancements in display technology. Yamada's work continues to inspire new generations of inventors and innovators worldwide.

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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