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Fujisawa, Japan

Ebara Research Co., Ltd.

USPTO Granted Patents = 32

% Expired Patents = 6.3

Forward Citations = 503

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44 inventors (with patents filed for the assignee):

Toshiaki Fujii (10 out of 21 patents)

Kazuhiko Sakamoto (8 out of 8 patents)

Hidetomo Suzuki (7 out of 7 patents)

4. Katsuhide Watanabe (5 out of 50 patents)

5. Tsukuru Suzuki (5 out of 14 patents)

6. Hirokuni Hiyama (3 out of 55 patents)

7. Yoichi Mori (3 out of 13 patents)

8. Hidenobu Arimitsu (3 out of 4 patents)

9. Akira Goto (2 out of 81 patents)

10. Hiroyuki Shima (2 out of 11 patents)

11. Atsushi Nakajima (2 out of 54 patents)

12. Takayuki Saito (2 out of 64 patents)

13. Akira Fukunaga (2 out of 39 patents)

14. Ken Nakajima (2 out of 5 patents)

15. Mehrdad Zangeneh (2 out of 4 patents)

Core Competencies:

Clean Gases

Water Treatment

Turbomachinery

Magnetic Bearing

Gas Measurement

Ultraviolet Cleaning

Photoelectric Apparatus

Oxygen Removal

Waste Gas Treatment

Vibration Prevention

Electrically Powered

Thrust Bearing

32 patents: Sort by Forward Citations

1. 7029518 - Method and apparatus for the preparation of clean gases (2006-04-18),

2. 6911064 - Method and apparatus for the preparation of clean gases (2005-06-28),

3. 6733570 - Method and apparatus for the preparation of clean gases (2004-05-11),

4. 6340381 - Method and apparatus for the preparation of clean gases (2002-01-22),

5. 6099731 - Method and apparatus for treating water (2000-08-08),

6. 6062819 - Turbomachinery and method of manufacturing the same (2000-05-16),

7. 5922105 - Method and apparatus for the preparation of clean gases (1999-07-13),

8. 5723029 - Photo-electric chemical apparatus using carbon cluster electrode (1998-03-03),

9. 5685696 - Centrifugal or mixed flow turbomachines (1997-11-11),

10. 5614663 - Cantilever for use with atomic force microscope and process for the (1997-03-25),

11. 5594166 - Cantilever for use with atomic force microscope and process for the (1997-01-14),

12. 5380503 - Stocker (1995-01-10),

13. 5322674 - Method of treating waste gases containing halogen compounds (1994-06-21),

14. 5294280 - Gas measuring device and processing apparatus provided with the gas (1994-03-15),

15. 5225000 - Method for cleaning closed spaces with ultraviolet rays (1993-07-06),

Company Overview

Ebara Research Co., Ltd., based in Fujisawa, Japan, specializes in advanced technologies and solutions across various sectors, including fluid machinery and environmental systems. The company focuses on developing innovative products and services that enhance efficiency and sustainability in industrial applications. Ebara's research initiatives are aimed at addressing global challenges through cutting-edge engineering and technology, positioning the company as a leader in its field within the Japanese and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

32 Patents

#5 in Fujisawa

#2,240 in Japan

#20,697 in the World

Fujisawa, Japan

Ebara Research Co., Ltd.

Forward Citations = 503

44 inventors:

Toshiaki Fujii (10 out of 21 patents)

Kazuhiko Sakamoto (8 out of 8 patents)

Hidetomo Suzuki (7 out of 7 patents)

4. Katsuhide Watanabe (5 out of 50 patents)

5. Tsukuru Suzuki (5 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ebara Research Co., Ltd.. Retrieved from https://idiyas.com/company/ebara-research-company

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

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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