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For the Inventor, By the Inventor

Kanagawa, Japan

Shigeru Takahara

This inventor holds 5 USPTO granted patents. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Yamamoto Chemicals, Inc.. Active years: 1988-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Takahara. Retrieved from https://idiyas.com/inventor/shigeru-takahara

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 57(Granted Patents)


Location History:

  • Kamakura, JP (1988 - 1990)
  • Kanagawa, JP (1992 - 1993)

Company Filing History:

goldMedal5 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
silverMedal4 out of 73 
 
Yamamoto Chemicals, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1988-1993

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5 patents (USPTO):Explore Patents
1. 5196231 - Optical recording media (1993-03-23),
2. 5132153 - Optical recording media (1992-07-21),
3. 4977064 - Optical recording medium and process for fabricating the same (1990-12-11),
4. 4859569 - Optical recording medium (1989-08-22),
5. 4719613 - Optical recording medium having a reflective recording layer including a (1988-01-12),

Title: Shigeru Takahara: Innovator in Optical Recording Media

Introduction

Shigeru Takahara is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical recording media, holding a total of 5 patents. His work has advanced the technology used in data storage and retrieval.

Latest Patents

Takahara's latest patents focus on optical recording media. These inventions disclose optical recording media composed of a substrate and a recording layer formed on the substrate. The recording layer includes an organic-dye-containing layer and an organopolysiloxane resin layer formed by the condensation of a trifunctional silane and a tetrafunctional silane. This innovative approach enhances the performance and reliability of optical media.

Career Highlights

Throughout his career, Shigeru Takahara has worked with prominent companies such as Mitsui Toatsu Chemicals, Incorporated and Yamamoto Chemicals, Inc. His experience in these organizations has contributed to his expertise in the field of optical technologies.

Collaborations

Takahara has collaborated with notable colleagues, including Sumio Hirose and Tadashi Koike. These partnerships have fostered innovation and development in their respective projects.

Conclusion

Shigeru Takahara's contributions to optical recording media exemplify his dedication to innovation and technology. His patents and collaborations reflect a commitment to advancing the field, making him a significant figure 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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