Yokkaichi, Japan

Tomohiro Ishikawa

This inventor holds 5 USPTO granted patents. Top assignees: Tosoh Corporation, Toyo Soda Manufacturing Co., Ltd.. Active years: 1989-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiro Ishikawa. Retrieved from https://idiyas.com/inventor/tomohiro-ishikawa-wnczgjtp

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 = 2.5

ph-index = 2

Forward Citations = 39(Granted Patents)


Location History:

  • Mie, JP (1991)
  • Yokkaichi, JP (1989 - 1996)

Company Filing History:


Years Active: 1989-1996

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5 patents (USPTO):Explore Patents

Title: Tomohiro Ishikawa: Innovator in Optical Materials

Introduction

Tomohiro Ishikawa is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of optical materials, holding a total of 5 patents. His work focuses on developing advanced materials that exhibit superior properties for various applications.

Latest Patents

Ishikawa's latest patents include innovative optical materials that comprise a resin made from specific polymer structures. One of his patents describes an optical material with a weight-average molecular weight ranging from 1×10³ to 5×10⁶. This material is characterized by its excellent transparency, heat resistance, surface hardness, and mechanical strength. Another patent details an optical material with a glass transition temperature (Tg) of not less than 120°C and a light transmittance value of at least 85%. These advancements highlight his commitment to enhancing the performance of optical materials.

Career Highlights

Throughout his career, Ishikawa has worked with prominent companies such as Tosoh Corporation and Toyo Soda Manufacturing Co., Ltd. His experience in these organizations has allowed him to refine his expertise in material science and innovation.

Collaborations

Ishikawa has collaborated with notable colleagues, including Toru Doi and Yozo Kondo. These partnerships have contributed to the development of his groundbreaking inventions and patents.

Conclusion

Tomohiro Ishikawa is a distinguished inventor whose work in optical materials has led to significant advancements in the field. His innovative patents and collaborations reflect his dedication to improving material properties for various applications.

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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