Yokohama, Japan

Masahiro Hongou

This inventor holds 3 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Toyo Seikan Co., Ltd.. Active years: 2021-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Hongou. Retrieved from https://idiyas.com/inventor/masahiro-hongou

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2021-2025

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3 patents (USPTO):Explore Patents

Title: Masahiro Hongou: Innovator in Packaging Technology

Introduction

Masahiro Hongou is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of packaging technology, holding a total of 3 patents. His innovative designs focus on improving the functionality and usability of packaging materials.

Latest Patents

Hongou's latest patents include the development of an easy-open packaging bag and an easy-open laminate film and pouch with gas barrier properties. The easy-open packaging bag addresses the challenge of tearing that can occur when temperatures rise. This packaging solution features a laminated film that consists of an inner layer film, an intermediate layer film with an opening induction flaw, and an outer layer film made from a biaxially oriented material. The molecular orientation angle of the outer layer film is less than 49°, enhancing its usability. Additionally, he has developed a microwave pouch designed to prevent hole formation and spurting of contents. This pouch incorporates a self-venting mechanism that includes an annular venting seal and a steam release part, ensuring safe and effective heating.

Career Highlights

Masahiro Hongou is associated with Toyo Seikan Co., Ltd., a company renowned for its innovative packaging solutions. His work has significantly impacted the packaging industry, particularly in creating user-friendly and efficient products.

Collaborations

Hongou has collaborated with notable colleagues such as Shie Matsunaga and Takashi Miura, contributing to the advancement of packaging technologies.

Conclusion

Masahiro Hongou's contributions to packaging technology exemplify his commitment to innovation and usability. His patents reflect a deep understanding of material properties and user needs, making him a key figure in the industry.

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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