Shizuoka, Japan

Naofumi Soga

This inventor holds 13 USPTO granted patents and 9 published patent applications and 1 EPO patent, primarily in Sheet Processing Technology. Top assignees: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba, Other. Active years: 2003-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naofumi Soga. Retrieved from https://idiyas.com/inventor/naofumi-soga

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

Calculating rank
USPTO Granted Patents = 13 

% Patents Active = 61.5

 

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 27(Granted Patents)


Location History:

  • Tokyo, JP (2003)
  • Sunto-gun, JP (2011)
  • Shizuoka-ken, JP (2014)
  • Suntou Shizuoka, JP (2015)
  • Shizuoka, JP (2011 - 2018)
  • Sunto Shizuoka, JP (2017 - 2024)

Company Filing History:


Years Active: 2003-2024

Loading Chart...
Loading Chart...
Areas of Expertise:
Sheet Conveying Device
Sheet Alignment
Blade Apparatus
Image Forming
Erasing Apparatus
Decoloring Apparatus
Sheet Processing
Ejection Mechanism
Post-Processing
Sheet Processing Method
13 patents (USPTO):Explore Patents

Title: Naofumi Soga: Innovator in Sheet Conveying Technology

Introduction

Naofumi Soga is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of sheet conveying technology, holding a total of 12 patents. His innovative designs have improved the efficiency and functionality of various devices used in this domain.

Latest Patents

One of Soga's latest patents is a sheet conveying device that features a sheet tray for placing one or more sheets. This device includes a pickup roller that picks up sheets from the tray and an elevating mechanism. The elevating mechanism consists of a shaft rotated by a motor, along with a cam that raises and lowers the sheet tray in relation to the pickup roller. Additionally, the device incorporates a load applying mechanism that contacts the shaft to apply a load.

Another notable patent is focused on sheet alignment within a sheet conveying device. This device includes an aligning roller that rotates in the forward direction along the sheet conveying path. It can stop or reverse its rotation to align sheets with a nip formed by the roller. The device also features a sheet guide that adjusts the width of the conveyance path based on the roller's rotation, ensuring precise alignment of the sheets.

Career Highlights

Throughout his career, Naofumi Soga has worked with notable companies such as Toshiba Tec Corporation and Toshiba Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in technology.

Collaborations

Soga has collaborated with talented individuals in his field, including Kikuo Mizutani and Reiji Murakami. These partnerships have fostered innovation and led to the development of cutting-edge technologies in sheet conveying.

Conclusion

Naofumi Soga's contributions to sheet conveying technology are noteworthy, with a strong portfolio of patents that reflect his innovative spirit. His work continues to influence the industry, showcasing the importance of creativity and collaboration in technological advancements.

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]
Loading…