Hachioji, Japan

Koji Maruyama

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

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Maruyama. Retrieved from https://idiyas.com/inventor/koji-maruyama-pva9rgap

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 = 4.0

ph-index = 1

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Koji Maruyama: Innovator in Optical Record Technology

Introduction

Koji Maruyama is a notable inventor based in Hachioji, Japan. He has made significant contributions to the field of optical record technology. His innovative work has led to the development of a unique apparatus that enhances the reading of information from optical record mediums.

Latest Patents

Maruyama holds a patent for an "Optical record medium reading apparatus having a de-focussed light beam." This apparatus includes a semiconductor laser diode that emits a laser beam, a collimator lens, a beam splitter, an objective lens, a converging lens, and a photodetector. The design allows the laser beam to be projected onto the optical record medium in a de-focused condition, while the objective lens remains in focus on the medium. This innovative approach improves the efficiency of reading data from optical records.

Career Highlights

Koji Maruyama is associated with Olympus Optical Company, Ltd., where he has contributed to advancements in optical technologies. His work has been instrumental in enhancing the capabilities of optical reading devices. With a total of 1 patent, Maruyama's contributions are recognized within the industry.

Collaborations

Throughout his career, Maruyama has collaborated with notable colleagues, including Hiroyuki Hagita and Akihiko Hashimoto. These collaborations have fostered innovation and development in optical technologies.

Conclusion

Koji Maruyama's work in optical record technology exemplifies the spirit of innovation. His patented apparatus represents a significant advancement in the field, showcasing his expertise and dedication to improving optical reading methods.

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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