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Pegasus Sewing Machine Mfg. Co., Ltd.

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USPTO Granted Patents = 65

% Expired Patents = 16.9

Forward Citations = 271

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68 inventors (with patents filed for the assignee):

Masahiko Nishikawa (15 out of 15 patents)

Takashi Kasuda (8 out of 8 patents)

Minoru Nakano (8 out of 8 patents)

4. Tatsuaki Kaneda (5 out of 5 patents)

5. Toru Yamazaki (5 out of 6 patents)

6. Hirochika Mukai (4 out of 4 patents)

7. Yukio Nishiura (3 out of 3 patents)

8. Yoji Seto (3 out of 3 patents)

9. Toshihito Negoro (3 out of 3 patents)

10. Hideo Matsushita (3 out of 3 patents)

11. Takashi Takada (2 out of 3 patents)

12. Hiroyuki Iuchi (2 out of 2 patents)

13. Toshio Kawahito (2 out of 2 patents)

14. Osamu Douyasu (2 out of 2 patents)

15. Masami Yamanaka (2 out of 2 patents)

Core Competencies:

Thread Control

Overlock Mechanism

Automatic Thread Supply

Sewing Apparatus

Double Chain Stitch

Thread Tension

Fabric Guide

Needle Holder

Cloth Transfer

Seam Prevention

Hemming Apparatus

Looper Thread Control

65 patents: Sort by Forward Citations

1. 7536931 - Articulated arm (2009-05-26),

2. 7284493 - Easy-to-open sheet package body (2007-10-23),

3. 6912964 - Oil discharge device of upper looper mechanism in overlock sewing machine (2005-07-05),

4. 6910433 - Presser device for a sewing machine (2005-06-28),

5. 6904852 - Sewing machine with needle holder of needle interval adjustable type (2005-06-14),

6. 6729251 - Regulating device for handling a needle thread in a multi-needle double chain stitch sewing machine (2004-05-04),

7. 6725791 - Fabric guide device for a sewing machine (2004-04-27),

8. 6637357 - Overlock sewing machine (2003-10-28),

9. 6595150 - Thread tension control device for a sewing machine (2003-07-22),

10. 6390000 - Double chainstitch sewing machine (2002-05-21),

11. 6336417 - Apparatus for detecting defective sewing by a sewing machine (2002-01-08),

12. 6332418 - Sewing machine needle plate and feed dogs (2001-12-25),

13. 6263813 - Apparatus for preventing stitching from raveling (2001-07-24),

14. 6213039 - Apparatus for detecting thread breakage in sewing machine (2001-04-10),

15. 6119613 - Method and apparatus for preventing a seam from raveling in double chain (2000-09-19),

Company Overview

Pegasus Sewing Machine Mfg. Co., Ltd., headquartered in Osaka, Japan, specializes in advanced sewing machine technology. The company is renowned for its innovative solutions in thread control, overlock mechanisms, and automatic thread supply systems. With a focus on enhancing sewing efficiency and precision, Pegasus develops a range of sewing apparatuses, including those featuring double chain stitch capabilities and sophisticated thread tension systems. Their expertise extends to fabric guides and needle holders, positioning them as a key player in the global textile machinery market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

65 Patents

#157 in Osaka

#1,470 in Japan

#11,339 in the World

Pegasus Sewing Machine Mfg. Co., Ltd.

Forward Citations = 271

68 inventors:

Masahiko Nishikawa (15 out of 15 patents)

Takashi Kasuda (8 out of 8 patents)

Minoru Nakano (8 out of 8 patents)

4. Tatsuaki Kaneda (5 out of 5 patents)

5. Toru Yamazaki (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pegasus Sewing Machine Mfg. Co., Ltd.. Retrieved from https://idiyas.com/company/pegasus-sewing-machine-mfg-company

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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