Chiba, Japan

Masayuki Onishi

This inventor holds 37 USPTO granted patents and 8 EPO patents, primarily in Silicone Compositions. Top assignees: Dow Corning Toray Silicone Company Limited, Dow Corning Toray Company, Ltd., Kawasaki Steel Corporation. Active years: 1983-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Onishi. Retrieved from https://idiyas.com/inventor/masayuki-onishi

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


% Patents Active = 89.2

 

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 208(Granted Patents)


Location History:

  • Kurashiki, JP (1983 - 1986)
  • Chiba Prefecture, JP (1995 - 2009)
  • Chiba, JP (1986 - 2018)
  • Ichihara, JP (1996 - 2023)

Company Filing History:


Years Active: 1983-2025

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Areas of Expertise:
Curable Organopolysiloxane
Thermally Conductive Silicone
Room Temperature Curing
Silicone Rubber Composition
Adhesive Silicone Elastomer
Electrical Components
Transducer Applications
Silicon Bonding Agent
Photocurable Polymer
Elastomer Delustering
Display Unit Adhesives
High Cleanness Steel
37 patents (USPTO):Explore Patents

Title: Innovations by Masayuki Onishi: A Pioneer in Adhesives and Thermal Conductive Compositions

Introduction: Masayuki Onishi, based in Chiba, Japan, is a prominent inventor with an impressive portfolio of 36 patents. His contributions primarily focus on innovative compositions that enhance adhesion and thermal conductivity in various applications.

Latest Patents: Onishi's recent patents include a curable organopolysiloxane composition designed to improve initial adhesiveness while exhibiting high adhesive strength and durability after curing. This composition incorporates several components, such as an organopolysiloxane with alkenyl groups, a trialcoxysilyl-containing siloxane, and a catalyst for a hydrosilylation reaction. Another notable patent is a single-fluid curable thermally conductive silicone grease composition, which boasts long-term storage stability and includes a range of specialized ingredients to enhance its performance at varying temperatures.

Career Highlights: Throughout his career, Masayuki Onishi has been associated with reputable organizations, including Dow Corning Toray Silicone Company Limited and Dow Corning Toray Company, Ltd. His work has significantly impacted the fields of materials science and engineering, particularly in developing effective adhesive solutions and thermally conductive materials.

Collaborations: Onishi has collaborated with esteemed coworkers such as Harumi Kodama and Hiroji Enami, further amplifying the innovative concepts he has brought to life. Their collective expertise has contributed to advancements in siloxane-based compositions, showcasing the importance of teamwork in innovation.

Conclusion: With 36 patents to his name, Masayuki Onishi continues to push the boundaries of material science through his innovative creations. His work on curable organopolysiloxane compositions and thermally conductive silicone greases demonstrates the potential for enhanced performance in adhesive technologies and thermal management solutions.

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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