Nara, Japan

Masato Tamehira

This inventor holds 20 USPTO granted patents and 1 EPO patent, primarily in Image Forming Apparatus. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1991-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Tamehira. Retrieved from https://idiyas.com/inventor/masato-tamehira

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


% Patents Active = 60.0


Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 69(Granted Patents)


Location History:

  • Yamabe, JP (1995)
  • Yamabe-gun, JP (1998)
  • Nara, JP (1991 - 2010)
  • Osaka, JP (2013 - 2014)

Company Filing History:


Years Active: 1991-2014

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Areas of Expertise:
Image Reader
Document Feeder
Sheet Feeding Device
Image Recording Apparatus
Hinge Mechanism
Cassette Size Detection
Automatic Document Feeder
Spring Clutch Mechanism
20 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Masato Tamehira in Imaging Technology**

Introduction

Masato Tamehira is a renowned inventor based in Nara, Japan, recognized for his substantial contributions to imaging technology. With an impressive portfolio of 20 patents, Tamehira has demonstrated his expertise in the field through innovative apparatus designed to enhance imaging processes.

Latest Patents

Among Tamehira's latest patents are the "Reversing sheet transport apparatus" and the "Image forming apparatus including reversing sheet transport apparatus." The reversing sheet transport apparatus features a sophisticated mechanism whereby a registration roller electromagnetic clutch engages after a first specified time from the halt of a transport motor. Following this, normal rotation is initiated, and subsequent actions manipulate reverse rollers and sheet discharge rollers to facilitate efficient sheet movement. Additionally, his image forming apparatus integrates a read frame, a read guide, and an innovative seal mechanism to maintain dustproofing and operational efficiency, indicating Tamehira's commitment to precision in design.

Career Highlights

Tamehira's career at Sharp Kabushiki Kaisha Corporation highlights his role as a pivotal inventor in imaging technologies. His dedication to innovation has led to the development of multiple patents that not only enhance the functionality of printing and scanning devices but also improve user experience significantly.

Collaborations

Throughout his career, Tamehira has collaborated with esteemed colleagues such as Yasumasa Morimoto and Yoshinori Shiraishi. Their teamwork within Sharp Corporation has fostered an environment of creativity and innovation, leading to impactful advancements in imaging systems.

Conclusion

Masato Tamehira's work exemplifies the importance of innovation in technology. With 20 patents to his name and a commitment to improving imaging technology, his contributions continue to influence the industry positively. His collaborations and career achievements underscore the collaborative spirit that drives technological advancement in today's fast-paced world.

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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