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Dowa Iron Powder Co., Ltd.

USPTO Granted Patents = 8

Forward Citations = 44

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15 inventors (with patents filed for the assignee):

Masatsugu Watanabe (4 out of 4 patents)

Shigeru Omori (2 out of 3 patents)

Yasuyuki Iizuna (2 out of 2 patents)

4. Shinya Takada (2 out of 2 patents)

5. Yasuhisa Nagano (2 out of 2 patents)

6. Hajime Shimoyama (2 out of 2 patents)

7. Tomohiro Osaka (2 out of 2 patents)

8. Fumio Oboshi (2 out of 2 patents)

9. Hiroshi Majima (1 out of 13 patents)

10. Hitoshi Atobe (1 out of 12 patents)

11. Toraichi Kaneko (1 out of 7 patents)

12. Kazuto Ito (1 out of 3 patents)

13. Kazumasa Tezuka (1 out of 4 patents)

14. Chiaki Izumikawa (1 out of 4 patents)

15. Satoru Nigo (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 6022489 - Reagent for decomposing fluorocarbons (2000-02-08),

2. 5547488 - Method of making ejection powder for mechanical plating (1996-08-20),

3. 5366599 - Method of selective recovery of ferrous and nonferrous metals from (1994-11-22),

4. 5354579 - Mechanical plating method for forming a zinc alloy film by ejecting heat (1994-10-11),

5. 5230715 - Pyrogen and canister incorporating pyrogen (1993-07-27),

6. 5220908 - Pyrogen and canister incorporating pyrogen (1993-06-22),

7. 4714622 - Blast material for mechanical plating and continuous mechanical plating (1987-12-22),

8. 4655832 - Blast material for mechanical plating and continuous mechanical plating (1987-04-07),

Dowa Iron Powder Co., Ltd. is a global leader in the production of high-quality iron powders for various industries. With over 60 years of experience, we offer a wide range of iron powders for applications such as automotive components, electronics, and magnetic materials. Our commitment to quality, innovation, and sustainability has made us a trusted partner for customers worldwide.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#21 in Okayama

#4,915 in Japan

Dowa Iron Powder Co., Ltd.

Forward Citations = 44

15 inventors:

Masatsugu Watanabe (4 out of 4 patents)

Shigeru Omori (2 out of 3 patents)

Yasuyuki Iizuna (2 out of 2 patents)

4. Shinya Takada (2 out of 2 patents)

5. Yasuhisa Nagano (2 out of 2 patents)

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