Okazaki, Japan

Masao Kato

This inventor holds 4 USPTO granted patents. Top assignee: Dart Industries Inc.. Active years: 1982-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Kato. Retrieved from https://idiyas.com/inventor/masao-kato-wk407f6g

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 162(Granted Patents)


Company Filing History:


Years Active: 1982-1993

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4 patents (USPTO):Explore Patents

Title: Masao Kato: Innovator in Container Closure Technology

Introduction

Masao Kato is a distinguished inventor based in Okazaki, Japan. He has made significant contributions to the field of container closure technology, holding a total of four patents. His innovative designs focus on improving the functionality and efficiency of container closures.

Latest Patents

Kato's latest patents include a "Closure assembly for containers" and a "Closure assembly with separable seal." The first patent describes a container closure assembly that features a rigid lid and a flexibly resilient sealing member. This sealing member is mounted to the lid and can move between closed and open positions relative to the container. The design incorporates rocking lugs that facilitate the opening of the lid, along with positioning lugs that ensure proper alignment with the container mouth. The second patent outlines a container closure that consists of a rigid lid and a separably formed flexibly resilient seal. This design includes a top panel with a depending annular flange and a solid central panel with an upwardly directed integral flange. The seal flange is designed to engage with the upper edge of the container, providing a secure fit.

Career Highlights

Masao Kato is currently employed at Dart Industries Inc., where he continues to develop innovative solutions in container technology. His work has garnered attention for its practicality and effectiveness in enhancing user experience.

Collaborations

Kato has collaborated with notable colleagues such as Augusto A Picozza and Tsuyoshi Minami. Their combined expertise has contributed to the advancement of container closure designs.

Conclusion

Masao Kato's contributions to container closure technology exemplify his innovative spirit and dedication to improving everyday products. His patents reflect a commitment to enhancing functionality and user convenience in container designs.

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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