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Daido Metal Company Ltd.

USPTO Granted Patents = 433

EPO Patents = 77

Trademarks = 9

Forward Citations = 2,305

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276 inventors (with patents filed for the assignee):

Takayuki Shibayama (74 out of 77 patents)

Masaaki Sakamoto (66 out of 68 patents)

Tadashi Tanaka (62 out of 65 patents)

4. Koichi Yamamoto (48 out of 52 patents)

5. Sanae Mori (41 out of 43 patents)

6. Hideo Ishikawa (32 out of 33 patents)

7. Kouki Ozaki (26 out of 29 patents)

8. Masahito Fujita (25 out of 26 patents)

9. Osamu Ishigo (22 out of 22 patents)

10. Yoshiaki Sato (20 out of 31 patents)

11. Hideo Tsuji (17 out of 17 patents)

12. Akira Ono (17 out of 21 patents)

13. Nobutaka Hiramatsu (17 out of 18 patents)

14. Yukihiko Kagohara (15 out of 16 patents)

15. Yasushi Saito (14 out of 14 patents)

Core Competencies:

Sliding Member

Half Thrust Bearing

Bearing Device

Radial Piston Machine

Crankshaft Bearing

Bearing Assembly

Al-Based Bearing Alloy

Bearing System Control

Thrust Washer

Sliding Bearing

Guide Roller

Manufacturing Method

433 patents: Sort by Forward Citations

1. 12497997 - Sliding member (2025-12-16),

2. 12345296 - Sliding member and method of manufacturing the same (2025-07-01),

3. 12345295 - Sliding member and method for producing sliding member (2025-07-01),

4. 12345292 - Sliding member and method for producing the same (2025-07-01),

5. 12326169 - Guide roller for vehicle sliding door (2025-06-10),

6. 12313121 - Sliding member (2025-05-27),

7. 12297870 - Half thrust bearing (2025-05-13),

8. 12215742 - Sliding member (2025-02-04),

9. 12196262 - Sliding member (2025-01-14),

10. 12172416 - Sliding member and method for producing same (2024-12-24),

11. 12163364 - Roller (2024-12-10),

12. 12110922 - Slide member (2024-10-08),

13. 12065933 - Bearing device for radial piston machine (2024-08-20),

14. 12055179 - Ball socket structure (2024-08-06),

15. 12018566 - Bearing device for radial piston machine (2024-06-25),

DAIDO METAL COMPANY LTD. is a global company that specializes in the manufacturing and supply of high-quality specialty steel products. With a history dating back over a century, DAIDO METAL is committed to developing innovative solutions for various industries including automotive, energy, industrial machinery, and more. They strive to contribute to society by delivering products that meet the highest standards of quality, reliability, and sustainability. Visit their website to explore their comprehensive range of steel products and learn more about their diverse applications and expertise.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

433 Patents

#5 in Nagoya

#409 in Japan

#2,115 in the World

Daido Metal Company Ltd.

Forward Citations = 2,305

276 inventors:

Takayuki Shibayama (74 out of 77 patents)

Masaaki Sakamoto (66 out of 68 patents)

Tadashi Tanaka (62 out of 65 patents)

4. Koichi Yamamoto (48 out of 52 patents)

5. Sanae Mori (41 out of 43 patents)

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