logo

For the Inventor, By the Inventor

Kanagawa, Japan

Kenji Nakamura

This inventor holds 73 USPTO granted patents and 2 published patent applications and 4 EPO patents, primarily in Radiation Detection (CPC class A61B). Top assignees: Kabushiki Kaisha Toshiba, Fujifilm Corporation, International Business Machines Corporation. Active years: 1983-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Nakamura. Retrieved from https://idiyas.com/inventor/kenji-nakamura-4fk3tif4

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

Calculating rank
USPTO Granted Patents = 73 

% Patents Active = 64.4


Average Co-Inventor Count = 2.2

ph-index = 18

Forward Citations = 1,574(Granted Patents)

Forward Citations (Not Self Cited) = 1,559(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Higashiyodogawa-ku, Osaka, JP (1983 - 2000)
  • Fujisawa, JP (2004 - 2007)
  • Osaka-shi, Osaka, JP (2003 - 2010)
  • Higashi Yodogawa-ku, Osaka-shi, Osaka, JP (2010)
  • Yamato, JP (2010 - 2012)
  • Sagamihara, JP (2005 - 2014)
  • Kanagawa-ken, JP (1999 - 2015)
  • Ashigarakami-gun, JP (2015)
  • Kawasaki, JP (1995 - 2020)
  • Kanagawa, JP (2011 - 2021)
  • Yokohama, JP (2006 - 2023)

Company Filing History:

goldMedal12 out of 53,286 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal11 out of 16,996 
 
Fujifilm Corporation
 patents
bronzeMedal10 out of 166,425 
 
International Business Machines Corporation
 patents
4. 7 out of 2,581 
 
Ebara Corporation
 patents
5. 6 out of 431 
 
Okamura Corporation
 patents
6. 4 out of 28,957 
 
Ricoh Company, Ltd.
 patents
7. 3 out of 39,378 
 
Fujitsu Corporation
 patents
8. 2 out of 93,136 
 
Canon Kabushiki Kaisha
 patents
9. 1 out of 4,826 
 
Fuji Electric Co., Ltd.
 patents
10. 1 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
11. 1 out of 2,955 
 
Toshiba Memory Corporation
 patents
12. 17 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1983-2023

Loading Chart...
Loading Chart...
Areas of Expertise:
Radiation Detection
Ultrasound Diagnostics
Imaging Devices
X-ray Tube Device
Radiography Apparatus
Powder Storage Container
Semiconductor Light Emitting Device
Error Burst Detection
Data Recording
Biomedical Examination
Optically Transmissive Metal Electrode
Brush Bristle Material
73 patents (USPTO):Explore Patents
1. D990202 - Office booth (2023-06-27),
2. 11202361 - X-ray tube device (2021-12-14),
3. 11197363 - X-ray tube device (2021-12-07),
4. 11125892 - Radiation detection system, radiation output device, and radiation detection device (2021-09-21),
5. 11009610 - Radiation detection system, radiation output device, and radiation detection device (2021-05-18),
6. 10987080 - Radiation irradiation detection system and radiation generation apparatus (2021-04-27),
7. 10939888 - Radiation irradiating apparatus (2021-03-09),
8. 10603017 - Ultrasound diagnostic apparatus and biomedical examination apparatus (2020-03-31),
9. 10559627 - Memory device and rectifier (2020-02-11),
10. 10558142 - Powder storage container and image forming apparatus (2020-02-11),
11. 10496013 - Developing device, process cartridge, and image forming apparatus (2019-12-03),
12. 10340053 - Radiation-irradiation device (2019-07-02),
13. 10274618 - Radiography apparatus, radiography method, and radiography program (2019-04-30),
14. 10251628 - Ultrasonic diagnostic apparatus and biometrical examination apparatus (2019-04-09),
15. 10114314 - Powder collecting device and image forming apparatus incorporating same (2018-10-30),

Title: Kenji Nakamura: Innovator in X-ray Technology

Introduction

Kenji Nakamura, a prolific inventor based in Kanagawa, Japan, has made significant contributions to the field of medical imaging technology with an impressive portfolio of 73 patents. His innovative spirit and technical expertise have led to groundbreaking advancements, particularly in X-ray devices.

Latest Patents

One of his notable recent inventions is an X-ray tube device designed for enhanced functionality. This device features a main body that houses a bulb generating X-rays, along with a collimator that extends from the main body in the direction of X-ray irradiation. The collimator includes an irradiation window that allows for a precisely adjusted range of X-ray emission. Furthermore, it is equipped with connectors for connecting a guard unit, maintaining a safe distance from the test object during operation. This innovation highlights Nakamura’s dedication to improving safety and accuracy in medical diagnostics.

Career Highlights

Throughout his career, Kenji Nakamura has worked with prestigious companies, including Kabushiki Kaisha Toshiba. His work in such esteemed organizations has provided him with the platform to develop and refine his innovative concepts into practical applications.

Collaborations

Collaboration has played a crucial role in Nakamura’s career. He has worked alongside notable colleagues, including Hiroaki Inoue and Tsutomu Nakanishi. These partnerships have not only facilitated knowledge exchange but have also significantly contributed to the evolution of the technologies he has developed.

Conclusion

Kenji Nakamura stands out as a remarkable inventor whose contributions to X-ray technology continue to impact the medical field positively. With a solid reputation backed by numerous patents and collaborations with esteemed professionals, Nakamura’s innovative legacy serves as an inspiration for future inventors in the realm of medical 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…