Osaka, Japan

Kimio Tohma

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kimio Tohma. Retrieved from https://idiyas.com/inventor/kimio-tohma-eu86jtmx

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 = 4.0

ph-index = 1

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: Kimio Tohma: Innovator in Waste Treatment Technology

Introduction

Kimio Tohma is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of waste treatment technology, particularly focusing on the recycling of rubber and plastic wastes. His innovative approach aims to address environmental challenges associated with waste management.

Latest Patents

Tohma holds a patent for an "Apparatus for treatment of rubber and plastic wastes." This apparatus comprises several components, including an extruder for heating and melting rubber and plastic wastes, a decomposing section for preparing decomposed products, a dry-distilling section for gasifying these products, and a cooling section for separating gaseous materials from liquid materials. This invention reflects Tohma's commitment to developing efficient waste treatment solutions.

Career Highlights

Kimio Tohma is associated with Sumitomo Chemical Company, Limited, where he has been instrumental in advancing technologies related to waste treatment. His work has garnered attention for its potential to improve recycling processes and reduce environmental impact.

Collaborations

Tohma has collaborated with notable colleagues, including Masaaki Yoshida and Masao Watanabe. These partnerships have contributed to the development and refinement of innovative technologies in the field.

Conclusion

Kimio Tohma's contributions to waste treatment technology exemplify the importance of innovation in addressing environmental issues. His patent for an apparatus designed to treat rubber and plastic wastes showcases his dedication to creating sustainable solutions.

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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