logo

For the Inventor, By the Inventor

Hino, Japan

Keiji Umetani

This inventor holds 14 USPTO granted patents. Top assignees: Hitachi Medical Corporation, Hitachi, Ltd.. Active years: 1986-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Umetani. Retrieved from https://idiyas.com/inventor/keiji-umetani

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 8

Forward Citations = 543(Granted Patents)


Location History:

  • Kokubunji, JP (1986)
  • Fuchu, JP (1989 - 1990)
  • Hino, JP (1994 - 1999)
  • Inagi, JP (1999)

Company Filing History:

goldMedal9 out of 900 
 
Hitachi Medical Corporation
 patents
silverMedal7 out of 42,731 
 
Hitachi, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1986-1999

Loading Chart...
14 patents (USPTO):Explore Patents
1. 5960058 - Method for generating X-ray image and apparatus therefor (1999-09-28),
2. 5880470 - Two-dimensional radiation image detector (1999-03-09),
3. 5818064 - Method of and apparatus for picking up and displaying a stereoscopic (1998-10-06),
4. 5600701 - X-ray imaging system and method therefor (1997-02-04),
5. 5598453 - Method for X-ray fluoroscopy or radiography, and X-ray apparatus (1997-01-28),
6. 5583345 - Method of and apparatus for picking up and displaying a stereoscopic (1996-12-10),
7. 5528655 - Method and apparatus for producing radiologic three-dimensional image (1996-06-18),
8. 5526442 - X-ray radiography method and system (1996-06-11),
9. 5485500 - Digital x-ray imaging system and method (1996-01-16),
10. 5402463 - Apparatus and method for radiation imaging (1995-03-28),
11. 5353325 - X-ray fluorograph and radiograph apparatus for obtaining X-ray image (1994-10-04),
12. 4945552 - Imaging system for obtaining X-ray energy subtraction images (1990-07-31),
13. 4890310 - Spectral type radiation imaging system (1989-12-26),
14. 4598203 - Multielement radiation detector (1986-07-01),

Title: Keiji Umetani: Innovator in X-ray Imaging Technology

Introduction

Keiji Umetani is a prominent inventor based in Hino, Japan. He has made significant contributions to the field of medical imaging, particularly in the development of X-ray technologies. With a total of 14 patents to his name, Umetani's work has advanced the capabilities of imaging systems used in medical diagnostics.

Latest Patents

Umetani's latest patents include a method for generating X-ray images and a two-dimensional radiation image detector. The method for generating an X-ray image involves correcting a measured fluorographic or radiographic image by removing the veiling glare and scattered X-ray components. This innovative approach includes generating images of the veiling glare and scattered X-ray components independently and obtaining the difference from the measured image to enhance clarity. The two-dimensional radiation image detector features multiple conversion elements that transform radiation into visible light, along with photo-sensitive elements that detect this light. This design allows for improved detection and signal accumulation, enhancing the overall performance of radiation imaging systems.

Career Highlights

Throughout his career, Umetani has worked with notable companies such as Hitachi Medical Corporation and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies, contributing to advancements in medical imaging.

Collaborations

Umetani has collaborated with esteemed colleagues, including Ken Ueda and Hisatake Yokouchi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.

Conclusion

Keiji Umetani's contributions to X-ray imaging technology have significantly impacted medical diagnostics. His innovative methods and designs continue to influence the industry, showcasing the importance of creativity and collaboration in advancing healthcare technology.

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…