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For the Inventor, By the Inventor

Tokyo, Japan

Masahide Murata

This inventor holds 20 USPTO granted patents, primarily in Olefin Polymerization. Top assignees: Tonen Corporation, Toa Nenryo Kogyo Kabushiki Kaisha, Toa Nenryo Kogyo, K. K.. Active years: 1988-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahide Murata. Retrieved from https://idiyas.com/inventor/masahide-murata

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

USPTO Granted Patents = 20

% Patents Active = 90.0

Average Co-Inventor Count = 5.7

ph-index = 8

Forward Citations = 195(Granted Patents)


Location History:

  • Saitama, JP (1988 - 1992)
  • Iruma, JP (1992 - 1993)
  • Tokyo, JP (1998 - 2006)

Company Filing History:

goldMedal6 out of 141 
 
Tonen Corporation
 patents
silverMedal5 out of 220 
 
Toa Nenryo Kogyo Kabushiki Kaisha
 patents
bronzeMedal3 out of 39 
 
Toa Nenryo Kogyo, K. K.
 patents
4. 1 out of 5 
 
Japan Chemical Innovation Institute
 patents
5. 1 out of 1,766 
 
National Institute of Advanced Industrial Science and Technology
 patents
6. 1 out of 1 
 
Tog Nenryo Kogyo Kk (Tonen Corporation)
 patent
7. 1 out of 47 
 
Tonen Chemical Corporation
 patents
8. 3 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1988-2006

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Areas of Expertise:
Syndiotactic Styrene Polymers
Olefin Living Polymer
Butadiene Polymers
Catalyst Production
Silane Compound
Conjugated Diene Polymers
Catalytic Component
Polymerization Processes
Catalyst Carrier
Alpha-Olefin
Polymer Production
Catalyst Ingredient
20 patents (USPTO):Explore Patents
1. 7026406 - Syndiotactic styrene polymers and process for the production thereof (2006-04-11),
2. 6787617 - Process for producing olefin living polymer (2004-09-07),
3. 6653430 - Butadiene polymers and process for producing conjugated diene polymers (2003-11-25),
4. 6455649 - Catalyst for producing living olefin polymer and process for producing the polymer (2002-09-24),
5. 5856549 - Silane compound and process for the preparation thereof (1999-01-05),
6. 5747595 - Catalyst for the polymerization of olefines and processes for the (1998-05-05),
7. 5223465 - Olefin polymerization catalyst (1993-06-29),
8. 5177043 - .alpha.-olefin polymerization catalyst component (1993-01-05),
9. 5132261 - Olefin polymerization catalyst component (1992-07-21),
10. 5130283 - Olefin polymerization catalyst component (1992-07-14),
11. 5114896 - Process for the production of a catalytic component for the (1992-05-19),
12. 5061667 - Catalytic component for olefin polymerization (1991-10-29),
13. 4960743 - Method for production of catalyst carrier for polymerization of olefin (1990-10-02),
14. 4950630 - Method for production of catalyst component for olefin polymerization (1990-08-21),
15. 4942148 - Catalyst component for olefin polymerization (1990-07-17),

Title: **Masahide Murata: A Pioneer in Styrenic Polymers and Olefinic Living Polymers**

Introduction

Masahide Murata is an esteemed inventor residing in Tokyo, Japan, with a remarkable portfolio of 20 patents. His work primarily revolves around the development of innovative polymerization processes and the creation of novel materials, significantly impacting the field of polymer science.

Latest Patents

Among his latest innovations, Masahide Murata has patented unique processes and compositions concerning syndiotactic styrene polymers. One of his notable patents describes a syndiotactic styrenic polymer with a narrow molecular weight distribution, which includes at least one structural unit defined by specific criteria regarding its tacticity and molecular characteristics. Additionally, he has contributed to a patent focused on producing olefinic living polymers that maintain a molecular weight distribution ranging from 1 to 1.3. This process involves polymerizing olefinic monomers at low temperatures using a carefully designed catalyst system that includes compounds based on hafnium or zirconium along with other specified co-catalysts.

Career Highlights

Masahide Murata has achieved significant milestones throughout his career, working with renowned companies such as Tonen Corporation and Toa Nenryo Kogyo Kabushiki Kaisha. His innovative approaches and patented methods have positioned him as a leading figure in the polymer industry, especially in the synthesis of advanced styrenic and olefinic materials.

Collaborations

During his career, Masahide has collaborated with notable colleagues such as Hiroyuki Furuhashi and Masafumi Imai. These partnerships have fostered an environment of innovation and collaborative research, allowing for the exploration of new ideas and the advancement of polymer technology.

Conclusion

Masahide Murata’s contributions to the field of polymer science through his patents and collaborative efforts exemplify his dedication to innovation. His work continues to influence the development of advanced materials that hold promise for various industrial applications.

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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