Sanda, Japan

Keiji Okada

This inventor holds 4 USPTO granted patents. Top assignees: Nippon Pillar Packing Co., Ltd., Toyoda Jidosha Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1994-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Okada. Retrieved from https://idiyas.com/inventor/keiji-okada-oxweaqs9

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 = 5.4

ph-index = 3

Forward Citations = 35(Granted Patents)


Location History:

  • Hyogo, JP (1994)
  • Sanda, JP (1995 - 2001)

Company Filing History:


Years Active: 1994-2001

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4 patents (USPTO):Explore Patents

Title: Keiji Okada: Innovator in Gasket Technology

Introduction

Keiji Okada is a notable inventor based in Sanda, Japan. He has made significant contributions to the field of gasket technology, holding a total of 4 patents. His innovative approaches have led to advancements in sealing solutions for various applications.

Latest Patents

Okada's latest patents include a method of producing a spiral wound gasket and a device for producing the same. This method is designed for sealing fluids such as water and oil, as well as gases including vapor and gas. The invention involves cutting and raising the tip portion of a hoop material to form a checking stepped-portion, which is then caught by a checking pawl to wind the hoop material around a core drum. The resulting spiral wound gasket exhibits excellent sealing properties and durability.

Another significant patent is the vortex gasket for automotive exhaust systems. This gasket is formed by spirally overlaying a metal hoop with an inorganic filler in tape form. The design allows for a conical seal contact surface, enhancing the gasket's performance under axial forces. This innovative approach ensures that the gasket maintains its integrity and effectiveness in automotive applications.

Career Highlights

Throughout his career, Okada has worked with prominent companies such as Nippon Pillar Packing Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has contributed to his expertise in gasket technology and innovation.

Collaborations

Okada has collaborated with notable coworkers, including Masahiko Takaoka and Hideo Yahagi. Their combined efforts have further advanced the development of innovative sealing solutions.

Conclusion

Keiji Okada's contributions to gasket technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the industry, providing effective sealing solutions for various applications.

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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