Kanagawa, Japan

Tatsuhisa Naraoka

This inventor holds 4 USPTO granted patents and 6 published patent applications and 1 EPO patent. Top assignees: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba. Active years: 2004-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuhisa Naraoka. Retrieved from https://idiyas.com/inventor/tatsuhisa-naraoka

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

USPTO Granted Patents = 4 

% Patents Active = 75.0

 

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 30(Granted Patents)


Location History:

  • Mishima, JP (2004 - 2005)
  • Shizuoka, JP (2016)
  • Kanagawa, JP (2019)

Company Filing History:


Years Active: 2004-2019

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4 patents (USPTO):Explore Patents

Title: Innovations of Tatsuhisa Naraoka

Introduction

Tatsuhisa Naraoka is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of technology, particularly in the development of apparatuses that enhance printing and image processing. With a total of 4 patents to his name, Naraoka's work reflects a commitment to innovation and efficiency.

Latest Patents

Naraoka's latest patents include a sheet conveyance apparatus and an image erasing apparatus. The sheet conveyance apparatus features a first and second sheet accommodation unit, a conveyance path, and a controller. This design allows for the accommodation size of the second unit to adjust automatically to match that of the first unit, ensuring seamless operation. The image forming apparatus focuses on controlled timing of energization of heaters to reduce power consumption. It includes a fixing section that transfers and fixes a toner image on a recording medium, along with a decoloring section that enables the reuse of printed materials.

Career Highlights

Throughout his career, Tatsuhisa Naraoka has worked with prominent companies such as Toshiba Tec Corporation and Toshiba Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Naraoka has collaborated with notable colleagues, including Ken Iguchi and Toshiaki Oshiro. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tatsuhisa Naraoka's contributions to the field of technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in modern technology.

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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