Kanagawa, Japan

Ryuji Takahashi

This inventor holds 5 USPTO granted patents. Top assignees: Showa Denko Kabushiki Kaisha, Sony Corporation. Active years: 1976-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuji Takahashi. Retrieved from https://idiyas.com/inventor/ryuji-takahashi

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


% Patents Active = 60.0

Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 50(Granted Patents)


Location History:

  • Tokyo, JA (1976)
  • Kanagawa, JP (2002 - 2004)

Company Filing History:


Years Active: 1976-2004

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5 patents (USPTO):Explore Patents

Title: Ryuji Takahashi: Innovator in Solid Phase Extraction and Recording Technologies

Introduction

Ryuji Takahashi is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the fields of solid phase extraction and recording technologies. With a total of 5 patents to his name, his work has had a considerable impact on various industries.

Latest Patents

One of Takahashi's latest patents is a packing material for solid phase extraction and a solid phase extraction method. The objective of this invention is to provide a packing material that ensures excellent recovery of both hydrophobic and ionic substances. This is achieved by incorporating hydrophobicity and an ion exchange group simultaneously. The packing material is created by copolymerizing a hydrophobic monomer and a hydrophilic monomer, while introducing an ion exchange group without compromising the hydrophobic site. Additionally, he has developed a recording and/or reproducing apparatus and method for loading a head on a disc-shaped recording medium. This invention includes a head that writes and reads data from the medium, along with a head supporting member and a controlling member that manages the head's movement.

Career Highlights

Throughout his career, Ryuji Takahashi has worked with prominent companies such as Showa Denko and Sony Corporation. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects.

Collaborations

Takahashi has collaborated with notable colleagues, including Hiroshi Suzuki and Kiyoshi Tada. Their combined expertise has likely fostered a creative environment that encourages innovation.

Conclusion

Ryuji Takahashi is a distinguished inventor whose work in solid phase extraction and recording technologies has made a lasting impact. His innovative patents and collaborations highlight his significant contributions to the field.

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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