Yokohama, Japan

Masaharu Makino

This inventor holds 4 USPTO granted patents. Top assignees: Nippon Oil Company, Nippon Petrochemicals Company, Limited. Active years: 1981-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaharu Makino. Retrieved from https://idiyas.com/inventor/masaharu-makino

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 = 2.2

ph-index = 2

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1981-1990

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4 patents (USPTO):Explore Patents

Title: Masaharu Makino: Innovator in Resin Technology

Introduction

Masaharu Makino is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of resin technology, holding a total of 4 patents. His innovative approaches have led to advancements in the preparation and composition of various resin materials.

Latest Patents

One of his latest patents is a method for preparing a light-colored indene-coumarone resin. This method involves polymerizing an aromatic coal fraction raw material with a boiling point of 140°C to 240°C in the presence of a Friedel-Crafts type catalyst. The polymerization occurs in a reactor where the amount of oxygen is restricted to 15 ml or less per 100 g of the aromatic coal fraction raw material at room temperature. Additionally, a mixture of the aromatic coal fraction and phenol is used in specific proportions to enhance the process. Another notable patent is a polyphenylene ether resin composition, which comprises major components that contribute to its unique properties.

Career Highlights

Throughout his career, Masaharu Makino has worked with notable companies, including Nippon Oil Company and Nippon Petrochemicals Company, Limited. His work in these organizations has allowed him to develop and refine his innovative techniques in resin production.

Collaborations

Masaharu has collaborated with esteemed colleagues such as Hisatake Sato and Hideo Hayashi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the resin industry.

Conclusion

Masaharu Makino's contributions to resin technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in material science and engineering.

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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