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For the Inventor, By the Inventor

Tokyo, Japan

Takeshi Sakurai

This inventor holds 15 USPTO granted patents and 2 published patent applications and 5 EPO patents. Top assignees: Ebara Corporation, International Superconductivity Technology Center, Hitachi, Ltd.. Active years: 1985-2020.

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

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

USPTO Granted Patents = 15 

% Patents Active = 80.0


Average Co-Inventor Count = 4.6

ph-index = 5

Forward Citations = 100(Granted Patents)


Location History:

  • Urawa, JP (1992)
  • Omiya, JP (1993)
  • Yono, JP (1995)
  • Fujisawa, JP (2002)
  • Yokohama, JP (2001 - 2005)
  • Tokyo, JP (1985 - 2020)

Company Filing History:

goldMedal6 out of 2,576 
 
Ebara Corporation
 patents
silverMedal5 out of 128 
 
International Superconductivity Technology Center
 patents
bronzeMedal2 out of 42,731 
 
Hitachi, Ltd.
 patents
4. 2 out of 6,924 
 
Kyocera Corporation
 patents
5. 2 out of 1,555 
 
Mitsubishi Materials Corporation
 patents
6. 2 out of 68 
 
Mitsubishi Metal Corporation
 patents
7. 2 out of 177 
 
The Tokyo Electric Power Company, Incorporated
 patents
8. 1 out of 112 
 
Central Research Institute of Electric Power Industry
 patents
9. 1 out of 1,101 
 
Kabushiki Kaisha Kobe Seiko Sho
 patents
10. 1 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
11. 1 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
12. 1 out of 1 
 
Mitsubushi Metal Corporation
 patent
13. 1 out of 20 
 
Shincron Co., Ltd.
 patents
14. 1 out of 66 
 
Tohoku Electric Power Company, Inc.
 patents
15. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1985-2020

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15 patents (USPTO):Explore Patents
1. 10879086 - Substrate cleaning device, substrate cleaning apparatus, method for manufacturing cleaned substrate and substrate processing apparatus (2020-12-29),
2. 10032655 - Substrate cleaning device, substrate cleaning apparatus, method for manufacturing cleaned substrate and substrate processing apparatus (2018-07-24),
3. 9919403 - Polishing apparatus, polishing pad positioning method, and polishing pad (2018-03-20),
4. 6905400 - Method and apparatus for dressing polishing cloth (2005-06-14),
5. 6413154 - Polishing apparatus (2002-07-02),
6. 6364752 - Method and apparatus for dressing polishing cloth (2002-04-02),
7. 6319105 - Polishing apparatus (2001-11-20),
8. 6287430 - Apparatus and method forming thin film (2001-09-11),
9. 5468724 - High temperature oxide superconductor (1995-11-21),
10. 5446017 - Superconductive copper-containing oxide materials of the formula A.sub.p (1995-08-29),
11. 5318745 - Oxide superconductor and manufacturing method thereof via HIP and (1994-06-07),
12. 5244871 - N-type oxide superconductor represented by the formula (Nd.sub.x (1993-09-14),
13. 5236889 - Process for producing Bi-Ca-Sr-Cu-O, TL-Ca-Sr-Cu-O and Tl-Ba-Ca-Cu-O (1993-08-17),
14. 5169830 - Superconducting material (1992-12-08),
15. 4557369 - Moving staircase (1985-12-10),

Title: Innovations of Takeshi Sakurai

Introduction

Takeshi Sakurai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of substrate cleaning technology, holding a total of 15 patents. His work has been instrumental in advancing the efficiency and effectiveness of substrate processing.

Latest Patents

Among his latest patents are a substrate cleaning device, a substrate cleaning apparatus, a method for manufacturing cleaned substrates, and a substrate processing apparatus. The substrate cleaning device includes a substrate holding unit designed to hold a substrate, a first cleaning unit with a cleaning member that contacts the substrate's surface to clean it, and a second cleaning unit with a similar function. A controller is integrated to manage the operation of both cleaning units, ensuring that while one member cleans the substrate, the other remains at a safe distance.

Career Highlights

Takeshi has worked with notable companies such as Ebara Corporation and the International Superconductivity Technology Center. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in substrate cleaning technology.

Collaborations

He has collaborated with esteemed colleagues, including Shoji Tanaka and Kaoru Hamaura, to further enhance his inventions and drive technological advancements in their field.

Conclusion

Takeshi Sakurai's innovative work in substrate cleaning technology has established him as a key figure in the industry. His patents reflect a commitment to improving manufacturing processes and enhancing the quality of substrates.

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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