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For the Inventor, By the Inventor

Tokyo, Japan

Janome Sewing Machine Company Limited

Calculating rank
USPTO Granted Patents = 609

% Expired Patents = 2.8


Trademarks = 23

Forward Citations = 4,392

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241 inventors (with patents filed for the assignee):

goldMedal Susumu Hanyu (75 out of 91 patents)

silverMedal Hideaki Takenoya (64 out of 72 patents)

bronzeMedal Nobufusa Kuroki (55 out of 56 patents)

4.  Hachiro Makabe (42 out of 44 patents)

5.  Takeshi Kongo (39 out of 44 patents)

6.  Mikio Koike (39 out of 45 patents)

7.  Kazumasa Hara (29 out of 32 patents)

8.  Yasuro Sano (28 out of 31 patents)

9.  Yasukata Eguchi (27 out of 30 patents)

10.  Eiichi Shomura (26 out of 29 patents)

11.  Akira Orii (26 out of 32 patents)

12.  Yoshikazu Ebata (23 out of 25 patents)

13.  Kazuo Watanabe (23 out of 26 patents)

14.  Kiyomi Kawaguchi (23 out of 24 patents)

15.  Haruhiko Tanaka (19 out of 22 patents)


Core Competencies:
Bobbin Winding Device
Sewing Machine
Embroidery Data Generator
Feed Dog Mechanism
Needle Plate
Electric Press
Servo Press
Threading Device
Sewing Data Processing
Overlock Sewing Machine
Fabric Presser Foot
Robot Control

609 patents:

1. 11959213 - Bobbin winding device and sewing machine (2024-04-16),
2. 11840786 - Sewing machine (2023-12-12),
3. 11807969 - Bobbin winding device and sewing machine (2023-11-07),
4. 11772350 - Press device, load correction method, and recording medium (2023-10-03),
5. 11668034 - Sewing machine (2023-06-06),
6. 11649575 - Coordinate data creating device and sewing machine (2023-05-16),
7. 11566358 - Needle plate and sewing machine including same (2023-01-31),
8. 11504933 - Pressing apparatus that detects abnormal pressing through expanding and contracting information over time or position (2022-11-22),
9. 11414800 - Sewing machine (2022-08-16),
10. 11384461 - Sewing machine (2022-07-12),
11. 11377767 - Feed dog mounting/unmounting mechanism and sewing machine (2022-07-05),
12. 11305504 - Method for calibrating electric press (2022-04-19),
13. 11274386 - Sewing machine (2022-03-15),
14. 11268226 - Sewing data processing system, terminal, sewing machine, and program (2022-03-08),
15. 11162199 - Sewing machine (2021-11-02),
Company Overview
Janome Sewing Machine Company Limited, headquartered in Tokyo, Japan, is a leading manufacturer specializing in sewing machine technology. The company focuses on innovative solutions such as bobbin winding devices, embroidery data generators, and advanced feed dog mechanisms. Janome's expertise extends to electric and servo presses, as well as threading devices, positioning it as a key player in the sewing industry. With a commitment to quality and innovation, Janome continues to enhance the sewing experience for both hobbyists and professionals alike.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Janome Sewing Machine Company Limited USPTO Patent Assignee Logo
609 Patents

#161 in Tokyo

#331 in Japan

#1,608 in the World

Tokyo, JP
Tokyo, Japan

Janome Sewing Machine Company Limited

Forward Citations = 4,392

241 inventors:

goldMedal Susumu Hanyu (75 out of 91 patents)

silverMedal Hideaki Takenoya (64 out of 72 patents)

bronzeMedal Nobufusa Kuroki (55 out of 56 patents)

4.  Hachiro Makabe (42 out of 44 patents)

5.  Takeshi Kongo (39 out of 44 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Janome Sewing Machine Company Limited. Retrieved from https://idiyas.com/company/janome-sewing-machine-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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