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Nikkiso Company Limited

USPTO Granted Patents = 360

CIPO Patents = 7

EPO Patents = 206

Trademarks = 18

Forward Citations = 2,115

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300 inventors (with patents filed for the assignee):

Tetsuhiko Inazu (33 out of 37 patents)

Masahiro Toyoda (28 out of 28 patents)

Noritaka Niwa (27 out of 28 patents)

4. Tomoya Murakami (19 out of 19 patents)

5. Kunihiko Akita (19 out of 19 patents)

6. Hiroaki Mochizuki (18 out of 61 patents)

7. Cyril Pernot (17 out of 25 patents)

8. Hiroshi Nimura (16 out of 16 patents)

9. Yusuke Matsukura (15 out of 15 patents)

10. Masato Fujiwara (14 out of 22 patents)

11. Shinya Hasegawa (13 out of 13 patents)

12. Tetsumi Ochi (12 out of 12 patents)

13. Shinya Watanabe (11 out of 88 patents)

14. Ryo Kato (11 out of 11 patents)

15. Tomohiro Furuhashi (11 out of 11 patents)

Core Competencies:

Nitride Semiconductor

Light-Emitting Element

Blood Purification

Semiconductor Ultraviolet Light

Submerged Pump System

Medical Device Manufacturing

Flow Velocity Determining

Diaphragm Pump

Extracorporeal Circulation

Motor Bearing Wear Estimation

Cell Support Complex

Infection Prevention

360 patents: Sort by Forward Citations

1. 12508571 - Method for regenerating liquid to be treated, and regenerating agent for liquid to be treated (2025-12-30),

2. 12507507 - Nitride semiconductor light-emitting element (2025-12-23),

3. 12491302 - Blood purification system (2025-12-09),

4. 12484342 - Nitride semiconductor light-emitting element and method for manufacturing nitride semiconductor light-emitting element (2025-11-25),

5. 12472290 - Blood purification apparatus (2025-11-18),

6. 12449053 - Foot valve assembly and submerged pump system (2025-10-21),

7. 12446368 - Nitride semiconductor ultraviolet light-emitting element (2025-10-14),

8. 12446357 - Method for manufacturing nitride semiconductor light-emitting element (2025-10-14),

9. 12419142 - Nitride semiconductor ultraviolet light emitting element (2025-09-16),

10. 12419139 - Nitride semiconductor ultraviolet light-emitting element and production method therefor (2025-09-16),

11. 12408495 - Semiconductor light-emitting element (2025-09-02),

12. 12389716 - Nitride semiconductor light-emitting element (2025-08-12),

13. 12383664 - Blood purification apparatus and method of acquiring plasma flow rate on blood purification apparatus (2025-08-12),

14. 12364068 - Semiconductor light-emitting element and method of manufacturing semiconductor light-emitting element (2025-07-15),

15. 12352778 - Flow velocity determining apparatus (2025-07-08),

Nikkiso Company Limited is a global manufacturing company headquartered in Tokyo, Japan. The company specializes in various fields including industrial technologies, medical equipment, and environmental solutions. Nikkiso strives to provide innovative products and technologies that contribute to the betterment of society. With a strong focus on quality and reliability, Nikkiso aims to deliver cutting-edge solutions that meet the rapidly evolving needs of customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

360 Patents

#205 in Tokyo

#454 in Japan

#2,474 in the World

Nikkiso Company Limited

Forward Citations = 2,115

300 inventors:

Tetsuhiko Inazu (33 out of 37 patents)

Masahiro Toyoda (28 out of 28 patents)

Noritaka Niwa (27 out of 28 patents)

4. Tomoya Murakami (19 out of 19 patents)

5. Kunihiko Akita (19 out of 19 patents)

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