Otsu, Japan

Keiji Takagi

This inventor holds 5 USPTO granted patents. Top assignee: Nippon Electric Glass Co., Ltd.. Active years: 2012-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Takagi. Retrieved from https://idiyas.com/inventor/keiji-takagi-umf5vfdr

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 = 15.0

ph-index = 4

Forward Citations = 40(Granted Patents)


Location History:

  • Otsu, JP (2012 - 2018)
  • Shiga, JP (2020)

Company Filing History:


Years Active: 2012-2020

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5 patents (USPTO):Explore Patents

Title: Keiji Takagi: Innovator in Glass Technology

Introduction

Keiji Takagi is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of glass technology, holding a total of 5 patents. His innovative work focuses on enhancing the production and functionality of glass films.

Latest Patents

One of his latest patents is for a glass roll with a separable protective sheet. This invention includes a glass film formed by a downdraw method, which is wound into a roll while ensuring that the front and back glass surfaces remain exposed. During the winding operation, the glass film is superposed on a separable protective sheet that extends beyond both sides in the width direction of the glass film. This protective sheet can also be wound on the outer peripheral surface of the glass film, providing additional protection. Another notable patent is for a device and process for producing a glass roll that reliably prevents breakage from the end surface of the glass film. This glass roll is formed by winding the glass film while superposing it on a protective sheet, ensuring durability and quality.

Career Highlights

Keiji Takagi works at Nippon Electric Glass Co., Ltd., a leading company in the glass manufacturing industry. His expertise and innovative approach have positioned him as a key figure in the development of advanced glass products.

Collaborations

Throughout his career, Takagi has collaborated with notable colleagues, including Masahiro Tomamoto and Michiharu Eta. These collaborations have further enhanced the impact of his inventions in the industry.

Conclusion

Keiji Takagi's contributions to glass technology exemplify the spirit of innovation. His patents not only advance the field but also demonstrate the importance of collaboration in achieving groundbreaking results.

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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