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Wakayama, Japan

Shima Seiki Mfg., Ltd.

USPTO Granted Patents = 171

EPO Patents = 209

Trademarks = 4

Forward Citations = 903

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83 inventors (with patents filed for the assignee):

Kazuyoshi Okamoto (28 out of 34 patents)

Masahiro Shima (19 out of 47 patents)

Masao Okuno (16 out of 26 patents)

4. Masamitsu Ikenaka (13 out of 13 patents)

5. Toshinori Nakamori (12 out of 19 patents)

6. Kenta Terai (10 out of 10 patents)

7. Toshiaki Morita (10 out of 30 patents)

8. Shigenobu Mitsumoto (9 out of 10 patents)

9. Kenji Ikoma (8 out of 14 patents)

10. Takekazu Shibuta (8 out of 8 patents)

11. Yoshinori Shimasaki (7 out of 9 patents)

12. Minoru Sonomura (7 out of 12 patents)

13. Reiji Arikita (7 out of 9 patents)

14. Takashi Kino (6 out of 6 patents)

15. Masaki Miyamoto (6 out of 11 patents)

Core Competencies:

Contact Pressure Sensor

Protein Spun Yarn

Surface-Processed Fiber

Grading Method

Knitted Fabric

Footwear Manufacturing

Yarn Feeding Device

Knitting Method

Seamless Glove

Tubular Knitted Fabric

Knitting Program

Elastic Yarns

171 patents: Sort by Forward Citations

1. 12436614 - Contact pressure sensor, knit product having same, and method of manufacturing contact pressure sensor (2025-10-07),

2. 12163259 - Protein spun yarn manufacturing method (2024-12-10),

3. 12018405 - Protein fiber crimping method, protein fiber production method, protein fibers, spun yarn, and textile product (2024-06-25),

4. 11814782 - Surface-processed fiber, method for manufacturing same, thread, and fiber product (2023-11-14),

5. 11725314 - Grading method for knitted products and a grading system therefor (2023-08-15),

6. 11085135 - Knitting method of bag-shaped knitted fabric, and bag-shaped knitted fabric (2021-08-10),

7. 10745834 - Footwear provided with knitted fabric having double structure (2020-08-18),

8. 10724161 - Method of manufacturing footwear and footwear (2020-07-28),

9. 10626530 - Grading method and grading system for knitted product (2020-04-21),

10. 10590572 - Footwear (2020-03-17),

11. 10292455 - Shoe upper and method for producing shoe upper (2019-05-21),

12. 10184196 - Method for knitting knitted fabric (2019-01-22),

13. 10145041 - Method for knitting shoe upper and shoe upper (2018-12-04),

14. 10028545 - Shoe upper, and method for knitting shoe upper (2018-07-24),

15. 9976236 - Method for producing shoe upper, and shoe upper (2018-05-22),

Shima Seiki Mfg., Ltd. is a leading Japanese manufacturer of computerized flat knitting machines and design systems. Established in 1962, the company is known for innovative knitting technology and advanced manufacturing solutions. Shima Seiki offers a wide range of knitting machines, software, and related products for the textile industry. With a commitment to quality and customer satisfaction, Shima Seiki has built a strong global presence and continues to be a trusted name in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

171 Patents

#2 in Wakayama

#762 in Japan

#4,716 in the World

Wakayama, Japan

Shima Seiki Mfg., Ltd.

Forward Citations = 903

83 inventors:

Kazuyoshi Okamoto (28 out of 34 patents)

Masahiro Shima (19 out of 47 patents)

Masao Okuno (16 out of 26 patents)

4. Masamitsu Ikenaka (13 out of 13 patents)

5. Toshinori Nakamori (12 out of 19 patents)

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