Kawagoe, Japan

Tukuo Makishima

This inventor holds 3 USPTO granted patents. Top assignee: Toa Nenryo Kogyo Kabushiki Kaisha. Active years: 1980-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tukuo Makishima. Retrieved from https://idiyas.com/inventor/tukuo-makishima

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 = 5.0

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1980-1982

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3 patents (USPTO):Explore Patents

Title: Tukuo Makishima: Innovator in Titanium Trichloride Catalysts

Introduction

Tukuo Makishima is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of catalysis, particularly with titanium trichloride. With a total of three patents to his name, Makishima's work has advanced the understanding and application of catalytic processes in polymerization.

Latest Patents

Makishima's latest patents include innovative methods for producing titanium trichloride catalytic complexes. One patent describes a process where titanium tetrachloride is reduced with an organo-metal compound, followed by treatment with a chlorinated saturated hydrocarbon. This method results in a titanium trichloride complex that, when used as a co-catalyst with an organo-metal compound, yields uniform polymer grains with high polymerization activity. Another patent outlines a similar process, utilizing an alkylaluminum halide composition at low temperatures, which also leads to high stereoregular polymer yielding ratios.

Career Highlights

Tukuo Makishima is associated with Toa Nenryo Kogyo Kabushiki Kaisha, where he has been instrumental in developing advanced catalytic technologies. His expertise in titanium trichloride catalysts has positioned him as a key figure in the field of polymerization.

Collaborations

Makishima has collaborated with notable coworkers such as Hiroshi Ueno and Naomi Inaba. Their combined efforts have contributed to the successful development of innovative catalytic processes.

Conclusion

Tukuo Makishima's work in titanium trichloride catalysts exemplifies the impact of innovative thinking in the field of chemistry. His patents reflect a commitment to advancing polymerization techniques, making significant strides in the industry.

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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