Tokyo, Japan

Junichi Hiroi

This inventor holds 16 USPTO granted patents, primarily in Thermal Transfer Printing. Top assignees: Dai Nippon Printing Co., Ltd., Dai Nippon Insatsu Kabushiki Kaisha. Active years: 1993-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junichi Hiroi. Retrieved from https://idiyas.com/inventor/junichi-hiroi

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

Calculating rank

% Patents Active = 93.8

Average Co-Inventor Count = 2.8

ph-index = 5

Forward Citations = 85(Granted Patents)


Location History:

  • Tokyo, JP (1993 - 2008)
  • Shinjuku-ku, JP (1999 - 2008)
  • Tokyo-To, JP (1997 - 2011)

Company Filing History:


Years Active: 1993-2011

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Areas of Expertise:
Thermal Transfer Printer
Image Forming Method
Printing System
Image Data Correction
Feeding Bobbin
Recycling Method
Thermal Transfer Sheet
Environmental History Data
Thermal Transfer Recording
Laminate Sheet
Card Manufacturing
Thermal Mimeograph Paper
16 patents (USPTO):Explore Patents

Title: Junichi Hiroi: Innovator in Thermal Transfer Technology

Introduction

Junichi Hiroi is a prominent inventor based in Shinjuku-ku, Japan. He has made significant contributions to the field of thermal transfer technology, holding a total of 16 patents. His innovative work has paved the way for advancements in image forming methods and apparatuses.

Latest Patents

Hiroi's latest patents include a coreless thermal transfer recording web roll. This invention features a thermal transfer recording web rolled into a compact form. The inner end part of the web includes a tab and sticking parts that facilitate the attachment of pseudoadhesive double-coated tapes. These tapes become tack-free after separation from the innermost layer of the web. Another notable patent is for a sheet designed for forming images, which incorporates an identifying mark. This mark is essential for identifying various information related to the sheet. The sheet consists of multiple image-formative layers arranged longitudinally, with a sequence of mark bits that record information in a structured manner.

Career Highlights

Throughout his career, Junichi Hiroi has worked with notable companies such as Dai Nippon Printing Co., Ltd. and Dai Nippon Insatsu Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in the field of thermal transfer technology.

Collaborations

Hiroi has collaborated with esteemed colleagues, including Haruo Takeuchi and Noboru Yamakawa. Their joint efforts have further advanced the innovations in their respective fields.

Conclusion

Junichi Hiroi's contributions to thermal transfer technology and image forming methods highlight his role as a leading inventor. His patents reflect a commitment to innovation and excellence in his field.

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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