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For the Inventor, By the Inventor

Yokkaichi, Japan

Tomohiko Takahama

This inventor holds 8 USPTO granted patents. Top assignees: Mitsubishi Chemical Corporation, Mitsubishi Petrochemical Company Limited, Huls Aktiengesellschaft. Active years: 1978-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiko Takahama. Retrieved from https://idiyas.com/inventor/tomohiko-takahama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 110(Granted Patents)


Location History:

  • Yokkaichi, JA (1978)
  • Mie, JP (1990)
  • Yokkaichi, JP (1995 - 2003)

Company Filing History:

goldMedal5 out of 2,423 
 
Mitsubishi Chemical Corporation
 patents
silverMedal3 out of 546 
 
Mitsubishi Petrochemical Company Limited
 patents
bronzeMedal1 out of 123 
 
Huls Aktiengesellschaft
 patents
where one patent can have more than one assignee

Years Active: 1978-2003

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8 patents (USPTO):Explore Patents
1. 6524985 - Catalyst components for polymerization of olefins and use thereof (2003-02-25),
2. 5648440 - Catalyst components for polymerization of olefins and use thereof (1997-07-15),
3. 5594081 - Catalyst component for the polymerization of .alpha.-olefins and a (1997-01-14),
4. 5510502 - Catalyst component for use in the polymerization of .alpha.-olefins and (1996-04-23),
5. 5489659 - Catalyst component for use in the polymerization of .alpha.-olefins and (1996-02-06),
6. 5449650 - Catalyst components for polymerization of olefins and use thereof (1995-09-12),
7. 4967027 - Method of inhibiting polymerization of styrenes (1990-10-30),
8. 4080359 - Talc containing polyolefin compositions (1978-03-21),

Title: Tomohiko Takahama: Innovator in Olefin Polymerization

Introduction

Tomohiko Takahama is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of catalyst components for the polymerization of olefins. With a total of 8 patents to his name, Takahama's work has had a substantial impact on the industry.

Latest Patents

One of his latest patents is focused on catalyst components for the polymerization of olefins. This patent discloses a catalyst component that is a compound with a specific structure, wherein R¹ is a hydrocarbon radical or a halogen-containing hydrocarbon radical with 1 to 10 carbon atoms. Additionally, R² can be a hydrogen atom, a halogen atom, a siloxy group, or a hydrocarbon radical, among other possibilities. This innovation is crucial for enhancing the efficiency of olefin polymerization processes.

Career Highlights

Throughout his career, Takahama has worked with notable companies, including Mitsubishi Chemical Corporation and Mitsubishi Petrochemical Company Limited. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and catalyst development.

Collaborations

Some of his notable coworkers include Toshihiko Sugano and Toru Wada. Their collaborative efforts have contributed to advancements in the field and have fostered a productive research environment.

Conclusion

Tomohiko Takahama's contributions to the field of polymer chemistry, particularly in olefin polymerization, highlight his innovative spirit and dedication to advancing technology. His patents and collaborations reflect a commitment to excellence in research and development.

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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