Tochigi, Japan

Masahiro Tamegai

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignee: Canon Kabushiki Kaisha. Active years: 1995-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Tamegai. Retrieved from https://idiyas.com/inventor/masahiro-tamegai

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


% Patents Active = 71.4


Average Co-Inventor Count = 1.1

ph-index = 5

Forward Citations = 131(Granted Patents)


Location History:

  • Koga, JP (1995 - 1996)
  • Kawasaki, JP (1999 - 2000)
  • Tochigi, JP (2006)
  • Ohta-ku, JP (2008)

Company Filing History:


Years Active: 1995-2008

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7 patents (USPTO):Explore Patents

Title: Masahiro Tamegai: Innovator in Imaging Technology

Introduction

Masahiro Tamegai is a prominent inventor based in Tochigi, Japan. He has made significant contributions to the field of imaging technology, holding a total of 7 patents. His work focuses on developing advanced methods for image processing and radiation dosimetry.

Latest Patents

Tamegai's latest patents include an image photographing apparatus and method. This innovative image processing method generates a small number of still images from a plurality of projected time-series images obtained in time series. The method involves storing the time-series images and performing subtraction between pixel values of different time-series images. It also detects motion by comparing the difference value obtained from the subtraction with a threshold value. The stored images are then synthesized to generate a predetermined number of synthesized images.

Another notable patent is related to area exposure dosimetry and area absorbed dosimetry. This patent calculates the area of an irradiation region and the areas of object and non-object regions in a radiation image. It acquires the effective dose of radiation from a radiation generator and calculates the area exposure dose based on the irradiation region and effective dose.

Career Highlights

Masahiro Tamegai is associated with Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to push the boundaries of imaging technology and contribute to advancements in the field.

Collaborations

Tamegai has collaborated with Shinsuke Hayashida, a fellow innovator, to further enhance the development of imaging technologies. Their partnership has led to significant advancements in the methods and applications of image processing.

Conclusion

Masahiro Tamegai's contributions to imaging technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in image processing and radiation dosimetry.

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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