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Wakayama, Japan

Shima Seiki Manufacturing Limited

USPTO Granted Patents = 124

% Expired Patents = 41.9

CIPO Patents = 1

EPO Patents = 109

Trademarks = 7

Forward Citations = 781

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85 inventors (with patents filed for the assignee):

Toshiaki Morita (18 out of 30 patents)

Masahiro Shima (14 out of 47 patents)

Masao Okuno (10 out of 26 patents)

4. Hirokazu Nishitani (8 out of 10 patents)

5. Toshinori Nakamori (7 out of 19 patents)

6. Kazuyoshi Okamoto (6 out of 34 patents)

7. Takuya Miyai (6 out of 8 patents)

8. Kenji Ikoma (5 out of 14 patents)

9. Masaki Miyamoto (5 out of 11 patents)

10. Hiroyuki Ueyama (5 out of 8 patents)

11. Kenji Kotaki (5 out of 6 patents)

12. Minoru Sonomura (4 out of 12 patents)

13. Hiroshi Nagashima (4 out of 5 patents)

14. Koichi Terai (3 out of 5 patents)

15. Yoshiyuki Komura (3 out of 4 patents)

Core Competencies:

Knit Design

Weft Knitting Machine

Image Processing

Yarn Feeding Device

Fabric Knitting Method

Simulation Apparatus

Knitting Program

Needle Selection Device

Embroidery Data Creation

Loop Simulation

Flat Knitting Machine

Patterning Apparatus

124 patents: Sort by Forward Citations

1. 10364519 - Slide spring, slide, slide needle, guide arrangement, and method for producing at least one slide spring (2019-07-30),

2. 8135489 - Knit simulation device, knit simulation method, and program thereof (2012-03-13),

3. 8000829 - Loop simulation apparatus, method and program thereof (2011-08-16),

4. 7950314 - Method of cutting sheet materials (2011-05-31),

5. 7912571 - Sheet material patterning apparatus, and method and program for same (2011-03-22),

6. 7800626 - Mapping device, mapping method and program thereof (2010-09-21),

7. 7664564 - Device, method and program for designing knit product (2010-02-16),

8. 7650018 - Image creation device, image creation method, and image creation program (2010-01-19),

9. 7643898 - Weft knitting machine with density adjusting function, knitting method, and knitting program (2010-01-05),

10. 7640770 - Fabric knitting method and knitted product (2010-01-05),

11. 7549361 - Vibration damping apparatus for reciprocating drive and cutting head (2009-06-23),

12. 7493245 - Method and apparatus for simulating image of twisted yarn (2009-02-17),

13. 7493188 - Yarn feeder of weft knitting machine (2009-02-17),

14. 7481078 - Knitwear knitted by flat knitting machine and method for knitting the same (2009-01-27),

15. 7474936 - Flat knitting machine, knitting program, and method for generating knitting program (2009-01-06),

Company Overview

Shima Seiki Manufacturing Limited, based in Wakayama, Japan, specializes in advanced knitwear technology. The company is renowned for its innovative solutions in knit design and the development of weft knitting machines. Its expertise extends to image processing, yarn feeding devices, and fabric knitting methods, enabling high-quality textile production. Shima Seiki also focuses on simulation apparatus and knitting programs, enhancing efficiency and creativity in the knitting industry, while its needle selection devices contribute to precision in manufacturing.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

124 Patents

#3 in Wakayama

#993 in Japan

#6,471 in the World

Wakayama, Japan

Shima Seiki Manufacturing Limited

Forward Citations = 781

85 inventors:

Toshiaki Morita (18 out of 30 patents)

Masahiro Shima (14 out of 47 patents)

Masao Okuno (10 out of 26 patents)

4. Hirokazu Nishitani (8 out of 10 patents)

5. Toshinori Nakamori (7 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shima Seiki Manufacturing Limited. Retrieved from https://idiyas.com/company/shima-seiki-manufacturing

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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