Tokyo, Japan

Isao Takahashi

This inventor holds 58 USPTO granted patents and 17 published patent applications and 8 EPO patents, primarily in Radiation Imaging (CPC class H01L). Top assignees: Hitachi, Ltd., Nec Corporation, National Institute of Advanced Industrial Science and Technology. Active years: 1980-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Takahashi. Retrieved from https://idiyas.com/inventor/isao-takahashi

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

USPTO Granted Patents = 58 

% Patents Active = 69.0

 

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 228(Granted Patents)

Forward Citations (Not Self Cited) = 221(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal9 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal7 out of 36,718 
 
Nec Corporation
 patents
bronzeMedal6 out of 1,766 
 
National Institute of Advanced Industrial Science and Technology
 patents
4. 5 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents
5. 4 out of 4,048 
 
Alps Electric Co., Ltd.
 patents
6. 3 out of 119 
 
Fujifilm Healthcare Corporation
 patents
7. 3 out of 426 
 
Nec Display Solutions, Ltd.
 patents
8. 3 out of 97 
 
Sharp Nec Display Solutions, Ltd.
 patents
9. 2 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
10. 2 out of 16,980 
 
Fujifilm Corporation
 patents
11. 2 out of 1,874 
 
Fujikura Limited
 patents
12. 2 out of 115 
 
Gunma University
 patents
13. 2 out of 2,260 
 
Japan Aviation Electronics Industry, Limited
 patents
14. 2 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
15. 2 out of 58,147 
 
Sony Corporation
 patents
16. 2 out of 329 
 
Yamanouchi Pharmaceutical Company Ltd.
 patents
17. 1 out of 3,132 
 
Asahi Kogaku Kogyo Kabushiki Kaisha
 patents
18. 1 out of 4,826 
 
Fuji Electric Co., Ltd.
 patents
19. 1 out of 77 
 
Hitachi Aloka Medical, Ltd.
 patents
20. 1 out of 1,256 
 
Kawasaki Steel Corporation
 patents
21. 1 out of 26 
 
Oji-Yuka Synthetic Paper Co., Ltd.
 patents
22. 1 out of 4,260 
 
Sony Group Corporation
 patents
23. 1 out of 111 
 
Tachikawa Spring Co., Ltd.
 patents
24. 1 out of 105 
 
Tokyo Juki Industrial Co., Ltd.
 patents
25. 1 out of 283 
 
Toshiba Infrastructure Systems & Solutions Corporation
 patents
26. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1980-2026

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Areas of Expertise:
Radiation Imaging
Photon-Counting CT
Nondestructive Inspection
X-ray CT
Actuator Element
Projection Display
Gamma Camera
Material Decomposition
Semiconductor Device
Electrical Connector
Image Processing
58 patents (USPTO):Explore Patents

Title: Isao Takahashi: A Pioneer in Material Decomposition and Image Processing Technologies

Introduction

Isao Takahashi, based in Tokyo, Japan, is a renowned inventor with an impressive portfolio of 55 patents. His innovative contributions span various technologies, focusing on material decomposition and advanced image processing, which have significant implications in multiple industries, including medical imaging.

Latest Patents

Among his most recent patents are the "Material Decomposition Apparatus," which features a sophisticated design for efficiently decomposing materials within an object. The apparatus incorporates a data storage section to keep correction data generated from previous decompositions, allowing for enhanced efficiency. It includes a data input section for radiation data divided into several energy levels, and a decomposition processing section that conducts repeated two-material decompositions to achieve accurate results.

Another notable patent is the "Image Processing Apparatus," which addresses noise reduction in medical images, where traditional quality evaluation indices may fail. This innovative processor uses a preprocessor to create input images, including an original and noise-reduced variants. A noise reduction processor then employs deep learning, using a strategically constructed network, to output images optimized for minimal noise, significantly improving the quality of medical imaging.

Career Highlights

Throughout his career, Isao Takahashi has made substantial contributions to technology while working with reputable companies such as Hitachi, Ltd. and NEC Corporation. His work has been instrumental in advancing techniques in both material science and imaging technology, establishing him as a valuable innovator in his fields.

Collaborations

Isao has collaborated with esteemed colleagues, including Takushi Sugino and Kinji Asaka. Their collective efforts have driven advancements in technology and have fostered an environment where innovative ideas can flourish, leading to the development of groundbreaking patents that push the boundaries of what is possible in technical applications.

Conclusion

Isao Takahashi's legacy as an inventor is marked by his 55 patents that reflect his commitment to innovation in material decomposition and image processing technologies. His contributions not only advance technical capabilities but also pave the way for future developments that will continue to benefit various industries worldwide.

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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