Anjo, Japan

Toyohiko Okina

This inventor holds 4 USPTO granted patents. Top assignees: Inoue Mtp Kabushiki Kaisha, Inoue Mtp Co., Ltd., Sanyo Chemical Industries, Ltd.. Active years: 1984-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyohiko Okina. Retrieved from https://idiyas.com/inventor/toyohiko-okina

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 = 2.8

ph-index = 4

Forward Citations = 76(Granted Patents)


Company Filing History:


Years Active: 1984-1990

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4 patents (USPTO):Explore Patents

Title: Toyohiko Okina: Innovator in Vehicle Interior Manufacturing

Introduction

Toyohiko Okina is a notable inventor based in Anjo, Japan, recognized for his contributions to the field of vehicle interior manufacturing. With a total of four patents to his name, Okina has developed innovative methods that enhance the quality and efficiency of vehicle interiors.

Latest Patents

Okina's latest patents include a method of manufacturing an interior member for vehicles. This method involves several steps, such as laying a surface layer in a mold cavity, placing a reinforcing fiber mat onto the surface layer, and compressing both components in the mold. The process continues with the injection of raw material to create a polyisocyanurate, followed by demolding the integrally-molded interior member after the reaction is complete. The raw material used consists of a trimerization catalyst, a polyol, and a polyisocyanate, with specific density requirements to ensure optimal performance. Another significant patent focuses on an improved interior member for vehicles, which features a substrate containing a reinforcing fiber mat permeated with polyisocyanurate and an integrally formed surface layer. This innovative design allows for a cost-effective and uncomplicated manufacturing process.

Career Highlights

Throughout his career, Okina has worked with reputable companies, including Inoue MTP Kabushiki Kaisha and Inoue MTP Co., Ltd. His work has significantly impacted the automotive industry, particularly in enhancing the durability and functionality of vehicle interiors.

Collaborations

Okina has collaborated with notable individuals in his field, including Hiroshi Goto and Fumio Kousaka. These partnerships have contributed to the advancement of his innovative methods and patents.

Conclusion

Toyohiko Okina's contributions to vehicle interior manufacturing through his patents and collaborations highlight his role as a significant innovator in the automotive industry. His work continues to influence the design and production of vehicle interiors, ensuring quality and efficiency in manufacturing processes.

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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