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For the Inventor, By the Inventor

Kanagawa, Japan

Hiroyuki Hyakutake

This inventor holds 3 USPTO granted patents. Top assignee: Mitsui Toatsu Chemicals, Incorporated. Active years: 1990-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Hyakutake. Retrieved from https://idiyas.com/inventor/hiroyuki-hyakutake

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

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 3

Forward Citations = 29(Granted Patents)


Location History:

  • Kanagawa, JP (1990 - 1993)
  • Yokohama, JP (1994)

Company Filing History:

goldMedal3 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents

Years Active: 1990-1994

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3 patents (USPTO):Explore Patents
1. 5283094 - Optical recording medium (1994-02-01),
2. 5214738 - Positive coefficient thin-film thermistor (1993-05-25),
3. 4975259 - Method of liquefying and condensing nitrogen trifluoride and a method of (1990-12-04),

Title: Hiroyuki Hyakutake: Innovator in Optical Recording Technology

Introduction

Hiroyuki Hyakutake is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical recording technology, holding a total of 3 patents. His work reflects a commitment to innovation and advancement in this specialized area.

Latest Patents

Hyakutake's latest patents include an optical recording medium that features a unique design. This medium consists of a substrate, a recording layer, a reflective layer, and a protective layer. The recording layer is produced by coating a nonpolar solvent-soluble substituted phthalocyanine dye in a nonpolar solvent, with the nonpolar solvent content being 5% by weight or less. Another notable invention is a positive coefficient thin-film thermistor, which showcases his versatility in developing advanced materials.

Career Highlights

Hiroyuki Hyakutake is currently employed at Mitsui Toatsu Chemicals, Incorporated, where he continues to innovate and contribute to the field. His work at this esteemed company has allowed him to explore various applications of his inventions, further enhancing his reputation as a leading inventor.

Collaborations

Throughout his career, Hyakutake has collaborated with talented individuals such as Isao Harada and Naruyuki Iwanaga. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hiroyuki Hyakutake's contributions to optical recording technology and his innovative spirit make him a significant figure in the field. His patents and collaborations reflect a dedication to advancing technology and improving existing solutions.

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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