Tokyo, Japan

Toshifumi Nakajima

This inventor holds 20 USPTO granted patents and 1 EPO patent, primarily in Image Processing Technology. Top assignees: Canon Kabushiki Kaisha, Sanwakogyo Ltd., The Japan Steel Works, Ltd.. Active years: 1986-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshifumi Nakajima. Retrieved from https://idiyas.com/inventor/toshifumi-nakajima

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


% Patents Active = 90.0


Average Co-Inventor Count = 1.6

ph-index = 10

Forward Citations = 239(Granted Patents)


Location History:

  • Yokohama, JP (1986)
  • Kawasaki, JP (1986 - 1988)
  • Tokyo, JP (1989 - 2018)

Company Filing History:


Years Active: 1986-2018

Loading Chart...
Loading Chart...
Areas of Expertise:
Motor Rotor Support
High Strength Steel
Membrane Switch
Pressure Sensitive Sensor
Image Communication
Image Processing
Data Communication
Facsimile Apparatus
Selective Color Transmission
Recording Apparatus
Image Transmission
Communication Equipment
20 patents (USPTO):Explore Patents

Title: Toshifumi Nakajima: Innovator in Motor Technology

Introduction

Toshifumi Nakajima is a noted inventor based in Tokyo, Japan. With an impressive portfolio of 20 patents, he has significantly contributed to advancements in motor technology. His innovative designs have helped improve the performance and efficiency of various types of motors.

Latest Patents

Among Nakajima's latest patents are two notable inventions related to motor rotor support systems. The first patent focuses on a motor rotor support and method for manufacturing the same. The invention aims to provide a motor rotor support that is suitable for axial gap motors. This design utilizes a laminated configuration made from single materials, either hot-worked or cold-worked, predominantly composed of 18Mn-18Cr nonmagnetic steel.

The second patent, titled "Nonmagnetic High Strength Steel Motor Rotor Support and Method for Manufacturing Same," also seeks to enhance axial gap motors. This motor rotor support is made from nonmagnetic steel, featuring a relative permeability of less than 1.005, with a 0.2% yield strength at room temperature of 550 MPa or more. Such materials ensure the support's durability and efficiency in demanding applications.

Career Highlights

Throughout his career, Toshifumi Nakajima has worked with several renowned companies, including Canon Inc. and The Japan Steel Works, Ltd. His experiences in these organizations have played a vital role in shaping his expertise in motor technology and innovation.

Collaborations

Nakajima has collaborated with talented individuals in the field, including coworkers Takayuki Imai and Toshio Ochiai. These collaborations have been instrumental in refining his inventions and expanding the potential applications of his patented technologies.

Conclusion

Toshifumi Nakajima stands out as a prominent figure in the realm of motor technology. His contributions through innovative patents reflect a commitment to excellence and a focus on enhancing performance and efficiency in motors. As technology continues to evolve, Nakajima’s work will undoubtedly inspire future innovations in the industry.

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…