Tokyo, Japan

Nobuyuki Takahashi

This inventor holds 109 USPTO granted patents and 19 published patent applications and 9 EPO patents, primarily in Substrate Processing (CPC class B24B37-005). Top assignees: Anelva Corporation, Ebara Corporation, Mitsubishi Electric Corporation. Active years: 1979-2026.

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

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

USPTO Granted Patents = 109 

% Patents Active = 89.9

 

Average Co-Inventor Count = 2.6

ph-index = 22

Forward Citations = 2,216(Granted Patents)

Forward Citations (Not Self Cited) = 2,164(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Fuchu, JP (1983 - 1996)
  • Mitaka, JP (1983 - 1998)
  • Mitakashi, JP (2000)
  • Gumma, JP (2005)
  • Kanagawa-ken, JP (1999 - 2008)
  • Sagamihara, JP (1999 - 2009)
  • Hitachinaka, JP (2010 - 2011)
  • Minato-ku, JP (2015)
  • Chiyoda-ku, JP (2013 - 2016)
  • Tokyo, JP (1979 - 2024)

Company Filing History:

goldMedal36 out of 256 
 
Anelva Corporation
 patents
silverMedal18 out of 2,579 
 
Ebara Corporation
 patents
bronzeMedal16 out of 16,618 
 
Mitsubishi Electric Corporation
 patents
4. 10 out of 402 
 
Resonac Corporation
 patents
5. 9 out of 58,147 
 
Sony Corporation
 patents
6. 6 out of 1,799 
 
Sony Computer Entertainment Inc.
 patents
7. 4 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
8. 4 out of 1,961 
 
Showa Denko K.k.
 patents
9. 3 out of 3 
 
Cyg Corporation
 patents
10. 3 out of 42,740 
 
Hitachi, Ltd.
 patents
11. 3 out of 3,358 
 
Sony Interactive Entertainment Inc.
 patents
12. 1 out of 4,826 
 
Fuji Electric Co., Ltd.
 patents
13. 1 out of 2,816 
 
Minolta Company, Ltd.
 patents
14. 1 out of 546 
 
Ryobi Limited
 patents
15. 1 out of 1 
 
Tokumi Electronics Ind. Co., Ltd
 patent
16. 1 out of 10,918 
 
Tokyo Electron Limited
 patents
17. 1 out of 2 
 
Yoshitaka Sugawara
 patents
18. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1979-2026

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Areas of Expertise:
Welding Film
Polishing Head System
Substrate Processing
Bumper Reinforcement
Polishing Apparatus
Radical-Curable Adhesive
Leak Checking
Sound Insulating Material
Numerical Control
Portable Electronic Device
Polishing Pad
Tool Shape Measurement
109 patents (USPTO):Explore Patents

Title: Nobuyuki Takahashi: Leading Innovator in Polishing Technology

Introduction:

Nobuyuki Takahashi, hailing from Tokyo, Japan, is regarded as a prominent figure in the field of polishing technology. With a remarkable portfolio of 120 patents, Takahashi has consistently demonstrated his expertise in inventing solutions that enhance the efficiency and accuracy of polishing processes. This article delves into his latest patents, illustrious career highlights, notable collaborations, and the significant contributions he has made to the industry.

Latest Patents:

Takahashi's recent patents highlight his visionary approach in developing innovative polishing techniques. One of his latest inventions is the "Polishing-pad laminated structure." This novel structure enables the easy alignment of a through-hole in a polishing pad with a sensor head on a polishing table. By incorporating a release sheet divided into first and second parts, Takahashi has simplified the process of attaching the polishing pad to the table, optimizing the overall polishing experience.

Another groundbreaking patent in his repertoire is the development of a "Polishing machine and a polishing method for a substrate." This invention aims to enhance the processing accuracy on the surface of an object during the polishing process. By utilizing a two-step polishing method involving differently sized pads and incorporating surface state detection, Takahashi's innovative approach has elevated the precision and quality of substrate polishing.

Career Highlights:

Takahashi has enjoyed a prosperous career with notable tenures at esteemed companies. He brought his expertise to Anelva Corporation, where he made significant contributions to the advancement of polishing technology. Additionally, Takahashi held a key role in Mitsubishi Electric Corporation, further consolidating his reputation as a leader in the industry. Through his work in these organizations, he has continually pushed the boundaries of polishing technology, earning accolades and recognition for his remarkable achievements.

Collaborations:

Collaboration has been a crucial aspect of Takahashi's career journey. He has worked alongside esteemed colleagues, including Masahiko Kobayashi and Shigeru Mizuno, both industry experts in their own right. These collaborations have fostered an environment of innovation and knowledge sharing, enabling Takahashi to leverage diverse perspectives and refine his inventions even further. The synergy created through these collaborations has undoubtedly played a pivotal role in his success.

Conclusion:

Nobuyuki Takahashi's exceptional contributions to the field of polishing technology have left an indelible mark on the industry. With his extensive patent portfolio, including recent inventions such as the polishing-pad laminated structure and the two-step polishing method, Takahashi has consistently demonstrated his dedication to improving polishing processes. Through his career at prominent companies like Anelva Corporation and Mitsubishi Electric Corporation, he has solidified his position as a leading innovator in the field. Collaborations with esteemed colleagues have further enhanced his ability to create groundbreaking solutions. As the industry continues to evolve, Nobuyuki Takahashi's ingenious inventions will undoubtedly inspire future generations of innovators in the field of polishing 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]
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