Saitama, Japan

Kazumitsu Fujihara

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Japan Energy Corporation. Active years: 2001-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumitsu Fujihara. Retrieved from https://idiyas.com/inventor/kazumitsu-fujihara

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 = 3.0

ph-index = 2

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 2001-2005

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2 patents (USPTO):Explore Patents

Title: Kazumitsu Fujihara: Innovator in Rubber Process Oil Technology

Introduction

Kazumitsu Fujihara is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of rubber process oil technology, holding a total of 2 patents. His work focuses on improving the quality and production processes of rubber process oils, which are essential in various industrial applications.

Latest Patents

Fujihara's latest patents include a groundbreaking rubber process oil that contains less than 3% by mass of polycyclic aromatics (PCAs), as determined by the IP 346 method. This innovative oil is rich in aromatic hydrocarbons and has an aniline point of 80°C or less. The production method involves extracting lube oil fractions using a solvent with a selective affinity for aromatics. The extraction conditions are carefully regulated to meet predetermined requirements for PCA content. Additionally, the extract can be cooled to separate into the extract and the raffinate, with the second raffinate being utilized for the rubber process oil.

Career Highlights

Throughout his career, Kazumitsu Fujihara has worked with prominent companies such as Japan Energy Corporation and JX Nippon Oil & Energy Corporation. His experience in these organizations has contributed to his expertise in the field of rubber process oils and their production methods.

Collaborations

Fujihara has collaborated with notable colleagues, including Takashi Kaimai and Yoshiyuki Morishima. These partnerships have likely enhanced his research and development efforts in the rubber process oil sector.

Conclusion

Kazumitsu Fujihara's contributions to rubber process oil technology demonstrate his innovative spirit and commitment to improving industrial processes. His patents reflect a deep understanding of the complexities involved in producing high-quality rubber process oils.

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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