Takatsuki, Japan

Seiji Yokogawa

This inventor holds 3 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1978-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Yokogawa. Retrieved from https://idiyas.com/inventor/seiji-yokogawa

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 = 2.9

ph-index = 3

Forward Citations = 41(Granted Patents)


Location History:

  • Moriguchi, JA (1978)
  • Hirakata, JP (1983)
  • Takatsuki, JP (2000)

Company Filing History:


Years Active: 1978-2000

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3 patents (USPTO):Explore Patents

Title: Seiji Yokogawa: Innovator in Fishing Technology

Introduction

Seiji Yokogawa is a notable inventor based in Takatsuki, Japan. He has made significant contributions to the field of fishing technology, holding a total of 3 patents. His innovative designs have enhanced the fishing experience for enthusiasts and professionals alike.

Latest Patents

Yokogawa's latest patents include a light-emitting fishing lure and an electrically operated fishline tier. The electrically operated fishline tier is particularly noteworthy. It is a hand-held device designed for tying a length of fishline to a fishhook. The device features a tying wheel that rotates in one direction, allowing for efficient knot formation. The tying wheel is equipped with an anchoring member that holds one end of the fishline securely. This innovative mechanism simplifies the process of securing fishhooks to fishlines, making it easier for anglers to prepare their gear.

Career Highlights

Seiji Yokogawa has spent a significant portion of his career at Matsushita Electric Industrial Co., Ltd. His work there has allowed him to develop and refine his inventions, contributing to advancements in fishing technology. His dedication to innovation has made him a respected figure in his field.

Collaborations

Yokogawa has collaborated with notable coworkers such as Kiyoshi Takenaka and Isamu Kawata. Their combined expertise has fostered a creative environment that encourages the development of groundbreaking fishing technologies.

Conclusion

Seiji Yokogawa's contributions to fishing technology through his patents and collaborations highlight his innovative spirit. His work continues to influence the fishing industry, making it more accessible and efficient for users.

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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