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For the Inventor, By the Inventor

Yokohama, Japan

Masayoshi Itoh

This inventor holds 8 USPTO granted patents. Top assignee: Mitsui Toatsu Chemicals, Incorporated. Active years: 1983-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Itoh. Retrieved from https://idiyas.com/inventor/masayoshi-itoh

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 = 4.5

ph-index = 4

Forward Citations = 50(Granted Patents)


Company Filing History:

goldMedal8 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents

Years Active: 1983-1997

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8 patents (USPTO):Explore Patents
1. 5620934 - Production process of silicon carbide from organosilicon compounds (1997-04-15),
2. 5596117 - Preparation process of organo silicon compounds and production process (1997-01-21),
3. 5508363 - Preparation process of organosilicon compounds and production of silicon (1996-04-16),
4. 5041587 - Process for preparing organic silicon compound (1991-08-20),
5. 4808392 - Process for producing silanes (1989-02-28),
6. 4667048 - Process for disproportionating silanes (1987-05-19),
7. 4610859 - Process for producing silicon hydrides (1986-09-09),
8. 4395531 - Process for the preparation of polyamide compounds by the reaction of (1983-07-26),

Title: **The Innovative Contributions of Masayoshi Itoh**

Introduction

Masayoshi Itoh is a renowned inventor based in Yokohama, Japan, with a remarkable portfolio of eight patents to his name. His work primarily focuses on the field of silicon chemistry, particularly in the production processes of silicon carbide and organosilicon compounds.

Latest Patents

Among his most recent patents, Itoh has developed an innovative production process of silicon carbide from organosilicon compounds. This involves a method for preparing alkylsilanes and alkenyl silanes through hydrosilylation of corresponding silanes and unsaturated hydrocarbons, either with or without a catalyst. Additionally, he has devised a process for synthesizing polyalkenylsilanes, including some high molecular compounds through anionic coordination polymerization, radical polymerization, or ionic polymerization of the alkenylsilanes. Furthermore, his work includes a method for producing silicon carbide by utilizing these polyalkenylsilanes as prepolymers, showcasing his significant contributions to advanced materials science.

Career Highlights

Masayoshi Itoh is associated with Mitsui Toatsu Chemicals, Incorporated, where he continues to push the boundaries of innovation. His tenure in the company has been marked by significant research and development efforts that have propelled the understanding and application of silicon compounds in various industries.

Collaborations

During his career, Itoh has collaborated with notable colleagues such as Kenji Iwata and Tomohiro Abe. These partnerships have fostered an environment of shared knowledge and innovation, contributing to the successful development of his patented processes.

Conclusion

Masayoshi Itoh's inventive spirit and dedication to advancing silicon chemistry have cemented his position as a significant figure in the field. With a strong foundation in innovative processes and a commitment to collaboration, Itoh's work continues to impact various applications, paving the way for future advancements in technology and materials science.

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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