Kyoto, Japan

Sadamu Tomita

This inventor holds 11 USPTO granted patents and 2 published patent applications and 3 EPO patents. Top assignees: Shimadzu Corporation, Shimdaszu Corporation. Active years: 1997-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadamu Tomita. Retrieved from https://idiyas.com/inventor/sadamu-tomita

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

USPTO Granted Patents = 11 

% Patents Active = 45.5

 

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 103(Granted Patents)


Location History:

  • Fushimi-ku, JP (1997)
  • Momoyama-Mohrinagatonishimachi, JP (1997)
  • Kyoto, JP (1997 - 2017)
  • Nara, JP (2018)

Company Filing History:


Years Active: 1997-2026

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11 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Sadamu Tomita

Introduction

Sadamu Tomita is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of X-ray technology, holding a total of 11 patents. His work has advanced the efficiency and functionality of X-ray devices, making a lasting impact on medical imaging and diagnostics.

Latest Patents

Among his latest patents, Tomita has developed an emitter for an X-ray tube device. This emitter is designed to irradiate an anode with electrons for X-ray emission. It features an electron emission portion that is heated by an electric current, along with a current application leg for supplying this current. Additionally, it includes a support leg and a fixing portion for both the current application leg and the support leg. The design ensures that differences in thermal deformation between the components are minimized when the electron emission portion is heated. Another notable patent is an X-ray tube assembly that includes a filament with multiple electric flow paths. This assembly is equipped with an adjustor that modifies the current flowing through these paths to adjust the electron emission area of the filament.

Career Highlights

Throughout his career, Sadamu Tomita has worked with notable companies, including Shimadzu Corporation. His expertise in X-ray technology has positioned him as a key figure in the development of innovative solutions in this field.

Collaborations

Tomita has collaborated with esteemed colleagues such as Shigeki Kajihara and Yoshikazu Yoshida. Their combined efforts have contributed to advancements in X-ray technology and its applications.

Conclusion

Sadamu Tomita's contributions to the field of X-ray technology through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of medical imaging and diagnostics.

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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