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Takahashi, Japan

Sumitomo Electric Sintered Alloy, Ltd.

USPTO Granted Patents = 97

EPO Patents = 19

Forward Citations = 155

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76 inventors (with patents filed for the assignee):

Tomoyuki Ueno (29 out of 35 patents)

Tatsuya Saito (19 out of 22 patents)

Kazuo Maeda (14 out of 14 patents)

4. Masato Uozumi (14 out of 14 patents)

5. Hijiri Tsuruta (9 out of 9 patents)

6. Asako Watanabe (8 out of 12 patents)

7. Shinichi Hirono (8 out of 8 patents)

8. Tomoyuki Ishimine (8 out of 9 patents)

9. Ryota Take (6 out of 6 patents)

10. Naoto Igarashi (6 out of 18 patents)

11. Kazunari Shimauchi (6 out of 7 patents)

12. Kazushi Kusawake (5 out of 20 patents)

13. Yasunori Sonoda (5 out of 5 patents)

14. Hirofumi Kiguchi (5 out of 5 patents)

15. Atsushi Sato (5 out of 52 patents)

Core Competencies:

Sintered Components

Electromagnetic Coupling

Rotary Electric Machines

Stator Cores

Powder Magnetic Cores

Sintered Gears

Manufacturing Methods

Metal Processing Systems

Crosslinked Fluororesin Coating

Iron-Based Sintered Bodies

Sizing Devices

Machining Methods

97 patents: Sort by Forward Citations

1. 12496635 - Sintered material, sizing device, and method for manufacturing sintered material (2025-12-16),

2. 12492455 - Sintered member, and method for manufacturing sintered member (2025-12-09),

3. 12392382 - Sintered member and electromagnetic coupling (2025-08-19),

4. D1076982 - Cam for a coupling (2025-05-27),

5. 12301055 - Core piece, stator core, stator, and rotary electric machine (2025-05-13),

6. 12237718 - Core, stator, and rotating electric device (2025-02-25),

7. 12226860 - Method for manufacturing sintered gear (2025-02-18),

8. 12202089 - Metal member, processing system, and method for manufacturing metal member (2025-01-21),

9. 12166379 - Core piece, stator core, stator, rotary electric machine, and method for producing core piece (2024-12-10),

10. 12151287 - Method for manufacturing sintered component and sintered component (2024-11-26),

11. 12138690 - Sintered material and method of manufacturing sintered material (2024-11-12),

12. 12119707 - Rotary electric machine cores with reference position marks (2024-10-15),

13. 12103038 - Crosslinked fluororesin-coated rotor manufacturing method (2024-10-01),

14. 12085160 - Gear member (2024-09-10),

15. 12076791 - Method of making sintered body, and powder compact (2024-09-03),

Sumitomo Electric Sintered Alloy, Ltd. is a leading manufacturer of high-quality sintered alloys for various industries. With a strong emphasis on research and development, the company offers innovative solutions and products that meet the diverse needs of their customers. They specialize in sintered alloy materials used in automotive, electronics, industrial machinery, and other applications. With a commitment to sustainability and continuous improvement, Sumitomo Electric Sintered Alloy continues to drive technological advancements in the field of sintered alloys.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

97 Patents

#1 in Takahashi

#1,122 in Japan

#7,773 in the World

Takahashi, Japan

Sumitomo Electric Sintered Alloy, Ltd.

Forward Citations = 155

76 inventors:

Tomoyuki Ueno (29 out of 35 patents)

Tatsuya Saito (19 out of 22 patents)

Kazuo Maeda (14 out of 14 patents)

4. Masato Uozumi (14 out of 14 patents)

5. Hijiri Tsuruta (9 out of 9 patents)

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