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Edwards Japan Limited

USPTO Granted Patents = 138

EPO Patents = 86

Trademarks = 1

Forward Citations = 99

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81 inventors (with patents filed for the assignee):

Yoshiyuki Sakaguchi (34 out of 44 patents)

Takashi Kabasawa (32 out of 46 patents)

Yasushi Maejima (19 out of 30 patents)

4. Yoshinobu Ohtachi (18 out of 26 patents)

5. Tsutomu Takaada (18 out of 18 patents)

6. Manabu Nonaka (16 out of 31 patents)

7. Tooru Miwata (13 out of 18 patents)

8. Kengo Saegusa (9 out of 9 patents)

9. Hideo Fukami (9 out of 12 patents)

10. Hideki Omori (7 out of 8 patents)

11. Yongwei Shi (7 out of 10 patents)

12. Yoshiyuki Takai (7 out of 7 patents)

13. Toshiaki Kawashima (7 out of 12 patents)

14. Yanbin Sun (6 out of 6 patents)

15. Yoshihiro Enomoto (6 out of 8 patents)

Core Competencies:

Vacuum Pump

Vacuum Exhaust System

Control Apparatus

Detoxification Device

Integrated Connector

Electromagnet Unit

Magnetic Bearing

Abatement System

Rotating Body

Water Cooling Spacer

Thread Groove Pump

Heating Device

138 patents: Sort by Forward Citations

1. 12516682 - Vacuum pump, rotating body for vacuum pump, and balance correcting member for vacuum pump (2026-01-06),

2. 12516681 - Vacuum pump, rotating body, cover portion, and manufacturing method of rotating body (2026-01-06),

3. 12510090 - Vacuum pump, vacuum pump controller, and remote controller (2025-12-30),

4. 12510085 - Vacuum pump (2025-12-30),

5. 12486851 - Vacuum pump (2025-12-02),

6. 12467464 - Vacuum pump and vacuum exhaust apparatus (2025-11-11),

7. 12467442 - Cleaning apparatus for vacuum exhaust system (2025-11-11),

8. 12448976 - Vacuum pump and control apparatus of vacuum pump with water leakage prevention between the pump main body and control apparatus (2025-10-21),

9. 12404863 - Vacuum pump and control device (2025-09-02),

10. 12404861 - Vacuum pump and rotating body for vacuum pump (2025-09-02),

11. 12392352 - Vacuum exhaust apparatus and vacuum pump used therein (2025-08-19),

12. 12379054 - Vacuum pump and connection port used in vacuum pump (2025-08-05),

13. 12378967 - Vacuum pump (2025-08-05),

14. 12359673 - Vacuum pump and control device (2025-07-15),

15. 12305652 - Vacuum pump (2025-05-20),

Edwards Japan Limited is a leading supplier of vacuum and abatement solutions to a wide range of industries including semiconductor, pharmaceutical, chemical, and more. With a strong commitment to quality, innovation, and customer satisfaction, Edwards Japan Limited offers a comprehensive portfolio of products and services to help optimize processes and reduce environmental impact. For over X years, Edwards Japan Limited has been a trusted partner for businesses looking for reliable and efficient vacuum solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

138 Patents

#6 in Chiba

#882 in Japan

#5,717 in the World

Edwards Japan Limited

Forward Citations = 99

81 inventors:

Yoshiyuki Sakaguchi (34 out of 44 patents)

Takashi Kabasawa (32 out of 46 patents)

Yasushi Maejima (19 out of 30 patents)

4. Yoshinobu Ohtachi (18 out of 26 patents)

5. Tsutomu Takaada (18 out of 18 patents)

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