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Kitakyusyu, Japan

Toshiyuki Hattori

USPTO Granted Patents = 13

EPO Patents = 4 (Patent Applications = 1)

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 60(Granted Patents)

Location History:

Fukuoka, JP (1996)
Kitakyusyu, JP (1993 - 2023)

Company Filing History:

12 out of 2,333

Hitachi Metals, Ltd.

Proterial, Ltd.

Years Active: 1993-2023

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11712723 - Centrifugally cast composite roll for hot rolling (2023-08-01),

2. 11590545 - Composite cemented carbide roll, and production method of composite cemented carbide roll (2023-02-28),

3. 11340196 - Online crack detection device for rolling roll, rolling roll, and online crack detection method for rolling roll (2022-05-24),

4. 11224907 - Composite roll for rolling and its production method (2022-01-18),

5. 11192156 - Composite roll for rolling and its production method (2021-12-07),

6. 9815098 - Centrifugally cast, hot-rolling composite roll (2017-11-14),

7. 9724740 - Centrifugally cast composite roll and its production method (2017-08-08),

8. 9718106 - Centrifugally cast, hot-rolling composite roll (2017-08-01),

9. 9044807 - Centrifugally cast composite roll and its production method (2015-06-02),

10. 5514065 - Wear- and seizing-resistant roll for hot rolling and method of making (1996-05-07),

11. 5484372 - Compound roll and method of producing same (1996-01-16),

12. 5355932 - Method of producing a compound roll (1994-10-18),

13. 5225007 - Method for wear-resistant compound roll manufacture (1993-07-06),

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