Onomichi, Japan

Junsaku Yamada

This inventor holds 3 USPTO granted patents. Top assignees: Ecs Corporation, Furukawa Mfg. Co., Ltd., Furukawa Kogyo Kabushiki Kaisha. Active years: 1985-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junsaku Yamada. Retrieved from https://idiyas.com/inventor/junsaku-yamada

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 = 2.3

ph-index = 3

Forward Citations = 40(Granted Patents)


Location History:

  • Onomichi, JP (1985 - 1988)
  • Mihara, JP (1989)

Company Filing History:


Years Active: 1985-1989

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3 patents (USPTO):Explore Patents

Title: Junsaku Yamada: Innovator in Vacuum Packaging Technology

Introduction

Junsaku Yamada is a notable inventor based in Onomichi, Japan. He has made significant contributions to the field of vacuum packaging technology, holding a total of 3 patents. His innovative approaches have enhanced the efficiency and effectiveness of packaging processes.

Latest Patents

One of Junsaku Yamada's latest patents is a vacuum packaging machine. This invention includes a vacuum packaging method and apparatus designed for packaging relatively large articles. The apparatus features a rotary valve positioned over a turntable that has multiple vacuum chambers at its periphery. This design allows for the supplementary discharge of air from one vacuum chamber to another before achieving a complete vacuum. Additionally, a small amount of atmospheric air is introduced into the chamber to shrink the packaging bag prior to sealing its open end.

Career Highlights

Throughout his career, Junsaku Yamada has worked with several companies, including Furukawa Manufacturing Co., Ltd. and Ecs Corporation. His experience in these organizations has contributed to his expertise in vacuum packaging technology and innovation.

Collaborations

Junsaku Yamada has collaborated with notable individuals in his field, including Masaru Yasumune and Sumiaki Kurokawa. These collaborations have further enriched his work and expanded the impact of his inventions.

Conclusion

Junsaku Yamada's contributions to vacuum packaging technology demonstrate his innovative spirit and dedication to improving packaging methods. His patents reflect a commitment to enhancing efficiency 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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