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Nakanishi Metal Works Co., Ltd.

USPTO Granted Patents = 89

EPO Patents = 33

Trademarks = 2

Forward Citations = 351

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94 inventors (with patents filed for the assignee):

Takao Wakabayashi (21 out of 23 patents)

Masayoshi Nakamura (9 out of 35 patents)

Michiyuki Kamiji (8 out of 9 patents)

4. Yasuhiro Narazaki (7 out of 7 patents)

5. Yoshihiro Ito (7 out of 11 patents)

6. Yusuke Iizawa (6 out of 6 patents)

7. Yoshihiro Okazaki (6 out of 6 patents)

8. Takahiko Sato (5 out of 5 patents)

9. Shinichi Akashi (5 out of 5 patents)

10. Yoshio Horikawa (4 out of 4 patents)

11. Kohei Shibata (4 out of 4 patents)

12. Yutaka Jogan (4 out of 4 patents)

13. Nobumasa Oka (4 out of 4 patents)

14. Yoshio Kawatake (4 out of 4 patents)

15. Osamu Fukuda (3 out of 9 patents)

Core Competencies:

Magnetic Encoder

Strut Bearing

Vehicle Suspension

Overhead Conveyor

Unmanned Forklift

Rotary Seal

Protective Cover

Insert Molded Article

Compression Vulcanization

Resin Gear

Sealed Thrust Bearing

Conveyance Device

89 patents: Sort by Forward Citations

1. 12480569 - Pulley with two flanges, and method of producing pulley with two flanges (2025-11-25),

2. 12467505 - Magnetic encoder and method of manufacturing magnetic encoder (2025-11-11),

3. 12427819 - Strut bearing and vehicle strut suspension (2025-09-30),

4. 12404121 - Overhead conveyor, and workpiece conveying method using overhead conveyor (2025-09-02),

5. 12350826 - Loading and unloading system (2025-07-08),

6. 12276327 - Toothed pulley (2025-04-14),

7. 12260627 - Unmanned forklift (2025-03-25),

8. 12095265 - Power supply system and power supply device (2024-09-17),

9. 12031583 - Strut bearing device, vehicle strut suspension, producing method of lower case and seal of strut bearing device, and producing method of upper case and seal of strut bearing device (2024-07-09),

10. 12031582 - Protective cover having sensor holder part, bearing device including the protective cover, and method of manufacturing the protective cover having the sensor holder part (2024-07-09),

11. 12031575 - Strut bearing device, and vehicle strut suspension (2024-07-09),

12. 11992983 - Method of manufacturing resin retainer having two annular sections (2024-05-28),

13. 11759985 - Insert-molded article and method for producing the same (2023-09-19),

14. 11619267 - Manufacturing method for upper case of strut bearing, and strut bearing (2023-04-04),

15. 11585683 - Magnetic encoder manufacturing method (2023-02-21),

NAKANISHI METAL WORKS CO., LTD. is a leading manufacturer and supplier of high-quality metal products. With over 50 years of experience, we specialize in producing precision components for various industries, including automotive, electronics, and aerospace. Our commitment to innovation, advanced technology, and quality assurance has established us as a reliable partner for global clients. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

89 Patents

#112 in Osaka

#1,182 in Japan

#8,375 in the World

Nakanishi Metal Works Co., Ltd.

Forward Citations = 351

94 inventors:

Takao Wakabayashi (21 out of 23 patents)

Masayoshi Nakamura (9 out of 35 patents)

Michiyuki Kamiji (8 out of 9 patents)

4. Yasuhiro Narazaki (7 out of 7 patents)

5. Yoshihiro Ito (7 out of 11 patents)

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