Osaka, Japan

Chizuo Izumino

This inventor holds 1 USPTO granted patent. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chizuo Izumino. Retrieved from https://idiyas.com/inventor/chizuo-izumino

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: The Innovations of Chizuo Izumino in Optical Engineering

Introduction: Chizuo Izumino, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of optical engineering. His innovative approach has led to the development of a unique method for making optical preforms and elements, showcasing his expertise and creativity.

Latest Patents: Izumino holds a pivotal patent titled "Method for making optical preforms and optical elements by press." This groundbreaking method allows for the production of optical preforms without residual stress or distortion. In his technique, an optical material is placed between specially designed upper and lower molds, facilitating the precise shaping of optical elements. The process involves pressing the optical material into molds that correspond to the desired surface shapes, thereby ensuring high-quality optical preforms suitable for further manufacturing.

Career Highlights: Izumino is associated with Matsushita Electric Industrial Co., Ltd., a well-respected company known for its advancements in electronics and optical technology. His work within this organization has allowed him to push the boundaries of optical manufacturing, making strides that benefit both the company and the broader industry.

Collaborations: Throughout his career, Izumino has worked alongside eminent colleagues, including Jun Murata and Takahisa Kondou. Their collaborative efforts have fostered a creative environment, leading to significant innovations in their respective fields and pushing forward the company's research and development initiatives.

Conclusion: Chizuo Izumino's innovative methods and collaborations exemplify the spirit of invention in the optical engineering domain. His contributions, particularly in the creation of efficient processes for optical preforms, reflect his commitment to advancing technology and improving manufacturing practices. As he continues to innovate, Izumino undoubtedly plays a vital role in shaping the future of optical elements.

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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