Kanuma, Japan

Isao Ishizawa

This inventor holds 3 USPTO granted patents. Top assignees: Hitachi Chemical Company, Ltd., Hitachi, Ltd., Other. Active years: 2003-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Ishizawa. Retrieved from https://idiyas.com/inventor/isao-ishizawa

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


Average Co-Inventor Count = 6.0

ph-index = 3

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 2003-2006

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3 patents (USPTO):Explore Patents

Title: Isao Ishizawa: Innovator in Microlens Technology

Introduction

Isao Ishizawa, an accomplished inventor based in Kanuma, Japan, has made significant contributions to the field of optics and display technologies. With a solid portfolio of three patents, his innovative work encompasses critical advancements in microlens technology.

Latest Patents

Isao Ishizawa's latest patents showcase his expertise in developing advanced optical components. One of his notable inventions is a microlens array that features a substrate with microlenses of a substantially circular profile. These microlenses are meticulously arranged so that their major and minor axes, which intersect at 90 degrees, are nearly equal in length. This configuration enhances light convergence, diffusion, and diffraction, making it invaluable for precise optical applications.

Additionally, he has created a method for making a transfer master pattern for microlens arrays. This method introduces a concave and convex pattern derived from the transfer master pattern, which is essential for the manufacturing of effective optical elements. Furthermore, his contributions include a laminate for transfer, a diffuse reflection plate, and a liquid crystal display device. Notably, the component designed has a concave and convex configuration in the shape of a half-moon, ensuring optimal light management.

Career Highlights

Isao Ishizawa's career includes significant tenure at respected organizations such as Hitachi, Ltd. and Hitachi Chemical Company, Ltd. His experiences at these leading firms have driven his passion for innovation and provided him with the resources needed to realize his inventive ideas.

Collaborations

During his career, Ishizawa has collaborated with esteemed colleagues, including Takehisa Yoshikawa and Yukio Maeda. These partnerships have undoubtedly contributed to the successful development of his patented technologies and fostered a collaborative environment for innovative research.

Conclusion

Isao Ishizawa stands out as a prominent inventor whose work in microlens technology has paved the way for advancements in optical components and display systems. Through his patents and collaborations, he continues to influence the field, ensuring that his contributions will be impactful for years to come.

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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