Saitama, Japan

Tokuo Makishima

This inventor holds 9 USPTO granted patents. Top assignees: Toa Nenryo Kogyo Kabushiki Kaisha, Toa Nenryo Kogyo, K. K.. Active years: 1977-1989.

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

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 = 4.8

ph-index = 6

Forward Citations = 88(Granted Patents)


Location History:

  • Kawagoe, JA (1977)
  • Kawagoe, JP (1978 - 1983)
  • Saitama, JP (1987 - 1989)

Company Filing History:


Years Active: 1977-1989

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9 patents (USPTO):Explore Patents

Title: Tokuo Makishima: Innovator in Catalyst Technology

Introduction

Tokuo Makishima is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of catalyst technology, holding a total of nine patents. His innovative approaches have advanced the processes involved in the polymerization of olefins.

Latest Patents

Makishima's latest patents focus on processes for producing catalyst components for the polymerization of olefins. One of his notable inventions involves a method that includes contacting a metal oxide with a magnesium alkoxide, followed by treatment with a halogen-containing compound and a titanium compound. Another patent describes a process where an organomagnesium compound is used, which is then treated with carbon dioxide before being contacted with a titanium compound. These advancements highlight his expertise in developing efficient catalyst production methods.

Career Highlights

Throughout his career, Tokuo Makishima has worked with notable companies such as Toa Nenryo Kogyo and Toa Nenryo Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in catalyst technology.

Collaborations

Makishima has collaborated with esteemed colleagues, including Hiroshi Ueno and Naomi Inaba. Their joint efforts have further propelled innovations in the field of polymerization catalysts.

Conclusion

Tokuo Makishima's contributions to catalyst technology through his patents and collaborations have established him as a key figure in the industry. His work continues to influence advancements in the polymerization of olefins.

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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