Numazu, Japan

Tohru Nogiwa

This inventor holds 5 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1997-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Nogiwa. Retrieved from https://idiyas.com/inventor/tohru-nogiwa

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 = 5.2

ph-index = 3

Forward Citations = 17(Granted Patents)


Location History:

  • Numazu, JP (1997 - 1999)
  • Shizuoka, JP (1999)

Company Filing History:


Years Active: 1997-1999

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5 patents (USPTO):Explore Patents

Title: Tohru Nogiwa: Innovator in Reversible Thermosensitive Recording Technology

Introduction

Tohru Nogiwa is a prominent inventor based in Numazu, Japan. He has made significant contributions to the field of thermosensitive recording materials, holding a total of 5 patents. His innovative work focuses on developing materials that can change their state based on temperature, which has various applications in recording technology.

Latest Patents

Nogiwa's latest patents include a reversible thermosensitive recording medium and a method of producing it. This medium features a support and a reversible thermosensitive recording layer that contains a matrix resin and an organic low-molecular-weight material. This unique composition allows the medium to switch between a transparent state and a white opaque state depending on the temperature. Additionally, he has developed a reversible thermosensitive recording material that also includes a resin composition with distinct glass transition temperatures, enhancing its functionality.

Career Highlights

Tohru Nogiwa is associated with Ricoh Company, Ltd., where he has been instrumental in advancing the company's research and development in thermosensitive technologies. His work has not only contributed to the company's portfolio but has also positioned Ricoh as a leader in innovative recording solutions.

Collaborations

Throughout his career, Nogiwa has collaborated with notable colleagues such as Yukio Konagaya and Fumihito Masubuchi. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their field.

Conclusion

Tohru Nogiwa's contributions to reversible thermosensitive recording technology exemplify the impact of innovation in modern recording materials. His patents and collaborations continue to influence the industry, showcasing the importance of research and development in creating advanced technological 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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