Tokorozawa, Japan

Hiroshi Maruyama

This inventor holds 1 USPTO granted patent. Top assignee: Citizen Watch Company, Ltd.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Maruyama. Retrieved from https://idiyas.com/inventor/hiroshi-maruyama-zoo8ngg5

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 = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Hiroshi Maruyama: Pioneer in Ferroelectric Liquid Crystal Display Technology

Introduction: Hiroshi Maruyama, hailing from Tokorozawa, Japan, is an esteemed inventor known for his contributions to the field of display technology. With a focus on advancing the capabilities of liquid crystal displays, Maruyama's innovative work has led to a notable patent that enhances the performance of ferroelectric liquid crystal display elements.

Latest Patents: Maruyama holds a patent titled "Method of Manufacturing Ferroelectric Liquid Crystal Display Element." This invention discloses a novel ferroelectric liquid crystal display element featuring oblique alignment layers that are inclined with respect to the substrate surface. These layers have opposite inclination directions formed on opposing surfaces of a pair of substrates equipped with transparent electrodes. His inventive approach involves injecting the ferroelectric liquid crystal into the space between the substrates in a direction opposite to the inclination of the oblique alignment layers, significantly improving the display's effectiveness.

Career Highlights: Throughout his career, Maruyama has made significant strides while working for Citizen Watch Company, Ltd. His expertise in liquid crystal technology has positioned him as a leading figure in the industry, showcasing his innovative spirit and dedication.

Collaborations: Maruyama has had the opportunity to collaborate with Masaaki Matsunaga, a notable coworker in their joint efforts to push the boundaries of display technology. Their synergistic partnership has contributed to advancements that benefit both their company and the tech community at large.

Conclusion: Hiroshi Maruyama stands out as a key inventor in the realm of ferroelectric liquid crystal displays. His pioneering methods and collaborative spirit reflect the innovative essence of modern engineering, paving the way for future advancements in display technologies.

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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