Yokohama, Japan

Hiroshi Sukawa

This inventor holds 3 USPTO granted patents. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Yamamoto Chemicals, Inc.. Active years: 1986-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Sukawa. Retrieved from https://idiyas.com/inventor/hiroshi-sukawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 1986-1990

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3 patents (USPTO):Explore Patents

Title: Hiroshi Sukawa: Innovator in Optical Recording Technology

Introduction

Hiroshi Sukawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of optical recording technology, holding a total of 3 patents. His work focuses on enhancing the sensitivity and stability of optical recording media.

Latest Patents

One of his latest patents is for an optical recording medium and the process for fabricating the same. This invention is characterized by high sensitivity and high stability. The optical recording medium consists of a transparent substrate with prepits and/or pregrooves for system control signals, along with first and second recording layers. Each layer has specific reflectance, transmittance, and absorbance properties. The invention allows for information to be recorded or read out by irradiating a laser beam on the transparent substrate side. The system control signals are primarily obtained from the prepits and/or pregrooves by detecting variations in the amount of light.

Career Highlights

Hiroshi Sukawa has worked with several prominent companies, including Mitsui Toatsu Chemicals, Incorporated and Yamamoto Chemicals, Inc. His experience in these organizations has contributed to his expertise in optical technologies.

Collaborations

Throughout his career, Sukawa has collaborated with notable individuals such as Sadao Kobayashi and Sadaaki Yamamoto. These collaborations have further enriched his work and innovations in the field.

Conclusion

Hiroshi Sukawa's contributions to optical recording technology demonstrate his innovative spirit and dedication to advancing the field. His patents reflect a commitment to improving the efficiency and effectiveness of optical media.

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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