Tokyo, Japan

Takeshi Nakajima

This inventor holds 63 USPTO granted patents and 6 published patent applications and 9 EPO patents, primarily in Image Processing (CPC class B32B). Top assignees: The Furukawa Electric Co., Ltd., Konica Minolta Business Technologies, Inc., Baxter Healthcare Sa. Active years: 1984-2023.

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

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

USPTO Granted Patents = 63 

% Patents Active = 73.0

 

Average Co-Inventor Count = 2.8

ph-index = 13

Forward Citations = 540(Granted Patents)

Forward Citations (Not Self Cited) = 532(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kita-Ku, Tokyo, JP (1993)
  • Ichihara, JP (2001 - 2002)
  • Chiyoda-ku, JP (2003)
  • Annaka, JP (2008)
  • Hino, JP (1992 - 2014)
  • Tokyo, JP (1984 - 2023)

Company Filing History:

goldMedal17 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents
silverMedal9 out of 2,526 
 
Konica Minolta Business Technologies, Inc.
 patents
bronzeMedal5 out of 1,201 
 
Baxter Healthcare Sa
 patents
4. 5 out of 3,106 
 
Konica Corporation
 patents
5. 4 out of 36,684 
 
Nec Corporation
 patents
6. 4 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
7. 3 out of 2,533 
 
Baxter International Inc.
 patents
8. 3 out of 58,145 
 
Sony Corporation
 patents
9. 2 out of 99 
 
Basell Poliolefine Italia, S.p.a.
 patents
10. 2 out of 24 
 
Baxter Healthcare Inc.
 patents
11. 2 out of 713 
 
Konica-Minolta Holdings, Inc.
 patents
12. 2 out of 1,038 
 
Nippon Electric Co., Ltd.
 patents
13. 2 out of 1,769 
 
Taiyo Yuden Co., Ltd.
 patents
14. 2 out of 1,413 
 
Yokogawa Electric Corporation
 patents
15. 1 out of 680 
 
Konica Minolta Opto, Inc.
 patents
16. 1 out of 81 
 
Konica Minolta Photo Imaging, Inc.
 patents
17. 1 out of 1 
 
Nac Co., Ltd.
 patent
18. 1 out of 1 
 
Nippon Tylan Corporation
 patent
19. 1 out of 2,335 
 
Sony Electronics Inc
 patents
20. 1 out of 11 
 
Tokyo Broadcasting System, Inc.
 patents
21. 2 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1984-2023

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Areas of Expertise:
Multi-Layer Ceramic Component
Waterproof Sheet
Peritoneal Dialysis
Image Forming Apparatus
Communication Control System
Optical Fiber Measurement
Image Processing Method
Optical Waveguide Circuit
Graphical User Interface
Raman Amplifier Control
Polyolefin Masterbatch
UV Light Emitting Diodes
63 patents (USPTO):Explore Patents

Title: Innovations by Takeshi Nakajima

Introduction

Takeshi Nakajima, an accomplished inventor based in Tokyo, Japan, holds an impressive portfolio of 63 patents. His work primarily focuses on advancements in electronic components and materials, showcasing his commitment to innovation and technology.

Latest Patents

Takeshi's latest patents include groundbreaking inventions such as a multi-layer ceramic electronic component. This innovative component features a ceramic body with first and second main surfaces and incorporates first and second internal electrodes. Notably, it includes an external electrode that enhances its functionality. Additionally, his patented waterproof sheet employs a silicone rubber composition reinforced with fibers, addressing the challenges of rainwater infiltration and ensuring durability over time. The ingenious design allows for better adaptability to surface irregularities, providing long-lasting waterproof capabilities.

Career Highlights

Throughout his career, Takeshi Nakajima has demonstrated significant contributions to the field of electronic components and materials. He has worked with prominent companies, including Furukawa Electric Co., Ltd. and Konica Minolta Business Technologies, Inc. His efforts at these organizations have led to unmatched innovations that continually push the boundaries of technology.

Collaborations

In his pursuit of innovation, Takeshi has collaborated with notable colleagues, including Kazuhisa Kashihara and Misao Sakano. Their combined expertise and insights have undoubtedly fostered a creative environment conducive to the development of pioneering technologies.

Conclusion

Takeshi Nakajima's relentless pursuit of innovation has positioned him as a distinguished inventor in the field of electronic components. With a remarkable number of patents to his name and a legacy of collaborations with esteemed colleagues and organizations, Nakajima's contributions continue to impact the industry significantly. His work not only highlights his inventive prowess but also inspires future generations of inventors.

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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