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For the Inventor, By the Inventor

Ibaraki, Japan

Toshihiro Nakagaki

This inventor holds 12 USPTO granted patents and 1 published patent application. Top assignee: Ricoh Company, Ltd.. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiro Nakagaki. Retrieved from https://idiyas.com/inventor/toshihiro-nakagaki

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

USPTO Granted Patents = 12 

% Patents Active = 83.3

Average Co-Inventor Count = 1.4

ph-index = 3

Forward Citations = 50(Granted Patents)


Location History:

  • Kanagawa, JP (2017 - 2021)
  • Ibaraki, JP (2013 - 2023)

Company Filing History:

goldMedal12 out of 28,951 
 
Ricoh Company, Ltd.
 patents

Years Active: 2013-2025

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12 patents (USPTO):Explore Patents
1. 12351412 - Conveyance apparatus and printing apparatus (2025-07-08),
2. 11845624 - Conveying device and liquid discharge apparatus (2023-12-19),
3. 11401128 - Conveyor and printer (2022-08-02),
4. 11203035 - Coating apparatus and image forming system (2021-12-21),
5. 10766050 - Coating apparatus and image forming system (2020-09-08),
6. 10054895 - Image forming apparatus and image forming method (2018-08-21),
7. 9850088 - Sheet conveying device, image forming apparatus with sheet conveying device, and method of correcting skew of sheet by using sheet conveying device (2017-12-26),
8. 9580261 - Conveying apparatus, image forming apparatus, and conveying control method (2017-02-28),
9. 9096398 - Sheet conveying device, image forming apparatus incorporating same, and method of conveying a sheet in the image forming apparatus (2015-08-04),
10. 8905401 - Printing medium conveying device and image forming apparatus (2014-12-09),
11. 8864133 - Device for correcting an edge portion of a sheet material and electrophotographic image forming apparatus (2014-10-21),
12. 8608165 - Sheet conveyance device and image forming apparatus with conveyance guide for conveyance belt (2013-12-17),

Title: Innovations of Toshihiro Nakagaki

Introduction

Toshihiro Nakagaki is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of technology, particularly in the area of conveyance and printing apparatuses. With a total of 12 patents to his name, Nakagaki continues to push the boundaries of innovation.

Latest Patents

His latest patents include a conveyance apparatus and a printing apparatus. The conveyance apparatus features a conveyor that conveys a sheet, with processing circuitry that controls the conveyance and switching of the sheet's direction under predetermined conditions. The printing apparatus includes a conveying device that consists of a rotating carrier, an inlet rotary body, an outlet rotary body, a downstream conveyor, and an inching controller. This innovative design allows for efficient transfer and conveyance of sheets in a controlled manner.

Career Highlights

Toshihiro Nakagaki is currently employed at Ricoh Company, Ltd., where he applies his expertise in developing advanced technologies. His work has been instrumental in enhancing the efficiency and functionality of various printing and conveyance systems.

Collaborations

Throughout his career, Nakagaki has collaborated with notable coworkers, including Kohei Chike and Kenji Nozawa. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Toshihiro Nakagaki's contributions to the field of technology through his patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in conveyance and printing systems, showcasing the importance of innovation in today's technological landscape.

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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