Chigasaki, Japan

Makoto Kunikane

This inventor holds 6 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1981-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Kunikane. Retrieved from https://idiyas.com/inventor/makoto-kunikane

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 = 4.1

ph-index = 5

Forward Citations = 111(Granted Patents)


Company Filing History:


Years Active: 1981-1987

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6 patents (USPTO):Explore Patents

Title: The Innovative Journey of Inventor Makoto Kunikane

Introduction

Makoto Kunikane, an accomplished inventor based in Chigasaki, Japan, has made significant contributions to the field of optical information recording mediums. With a total of six patents to his name, his inventions are characterized by their innovative approaches to material properties and functionalities.

Latest Patents

Among his notable patents are two groundbreaking innovations in optical information recording mediums. The first patent focuses on the application of a chemically inert coloring matter film on a substrate, which boasts an extinction coefficient of at least 1. This novel approach enhances the recording medium's efficacy. His second patent revolves around a recording layer consisting of a reflective layer embedded with closely distributed metal particles with a diameter of 1500 Å or less, alongside a light absorptive layer containing metal compounds. This combination aims to improve the overall quality and performance of optical information storage.

Career Highlights

Makoto Kunikane has had an impactful career at Ricoh Company, Ltd., where he has utilized his expertise in optical technologies to develop cutting-edge products. His inventive spirit and dedication to research have allowed him to push the boundaries of what is possible in the realm of optical information storage.

Collaborations

Throughout his career, Kunikane has collaborated with esteemed colleagues such as Masaakira Umehara and Kiyoshi Taniguchi. Their combined efforts exemplify the spirit of teamwork essential in driving technological advancements in their field.

Conclusion

The work of Makoto Kunikane showcases the importance of innovation in technology. His patents not only reflect his ingenuity but also highlight the continuous evolution of optical information recording technologies. As advancements unfold, inventors like Kunikane pave the way for future developments, shaping the landscape of information storage.

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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