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Mimaki Engineering Company, Ltd.

USPTO Granted Patents = 443

% Expired Patents = 19.2

EPO Patents = 183

Trademarks = 1

Forward Citations = 526

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216 inventors (with patents filed for the assignee):

Masaru Ohnishi (104 out of 104 patents)

Kunio Hakkaku (30 out of 30 patents)

Kazuhiro Ochi (21 out of 23 patents)

4. Kenji Harayama (19 out of 19 patents)

5. Masakatsu Okawa (19 out of 20 patents)

6. Eiichi Ohara (17 out of 30 patents)

7. Isao Tabayashi (14 out of 14 patents)

8. Akira Ikeda (13 out of 28 patents)

9. Akira Takatsu (13 out of 13 patents)

10. Tomotaka Furuhata (13 out of 13 patents)

11. Hirofumi Hara (11 out of 11 patents)

12. Eiji Miyashita (11 out of 11 patents)

13. Yoshikazu Furukawa (9 out of 9 patents)

14. Akifumi Seki (9 out of 9 patents)

15. Kazutaka Tamaki (9 out of 9 patents)

Core Competencies:

3D Printing

Inkjet Printing

Shaping Devices

Ink Composition

Printing Methods

Manufacturing Methods

Liquid Ejecting

Photocurable Ink

Model Materials

Control Systems

Production Management

Sintered Products

443 patents: Sort by Forward Citations

1. 12509599 - Ink composition for inkjet and method for inkjet recording (2025-12-30),

2. 12485676 - Printing device, ink supply device, printing method, and ink supply method (2025-12-02),

3. 12479169 - Apparatus for modeling three-dimensional object and method for modeling three-dimensional object (2025-11-25),

4. 12479159 - Head unit and inkjet printer (2025-11-25),

5. 12427712 - Shaping device and shaping method (2025-09-30),

6. 12403648 - Repairing method for shaped object, shaping system, and manufacturing method for attachment member (2025-09-02),

7. 12391041 - Inkjet printer (2025-08-19),

8. 12358280 - Inkjet printer and method of controlling inkjet printer (2025-07-15),

9. 12330218 - Method for manufacturing sintered product from three-dimensional object, and 3D shaping inkjet ink (2025-06-17),

10. 12270391 - Tube pump and printing apparatus (2025-04-08),

11. 12257766 - Shaping apparatus and shaping method (2025-03-25),

12. 12220923 - Inkjet printing apparatus (2025-02-11),

13. 12208614 - Printing system and control device (2025-01-28),

14. 12179492 - Maintenance liquid for solving ejection problem of UV curable inkjet printer (2024-12-31),

15. 12173173 - Photocurable inkjet ink and method for manufacturing three-dimensional object (2024-12-24),

Company Overview

Mimaki Engineering Company, Ltd., headquartered in Nagano, Japan, specializes in advanced 3D printing technology and inkjet printing solutions. The company focuses on the development and manufacturing of innovative shaping devices, diverse ink compositions, and various printing methods. With a strong emphasis on liquid ejecting technologies and photocurable inks, Mimaki serves a wide range of industries, enhancing production capabilities and enabling creative applications in design and manufacturing.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

443 Patents

#5 in Nagano

#414 in Japan

#2,149 in the World

Mimaki Engineering Company, Ltd.

Forward Citations = 526

216 inventors:

Masaru Ohnishi (104 out of 104 patents)

Kunio Hakkaku (30 out of 30 patents)

Kazuhiro Ochi (21 out of 23 patents)

4. Kenji Harayama (19 out of 19 patents)

5. Masakatsu Okawa (19 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mimaki Engineering Company, Ltd.. Retrieved from https://idiyas.com/company/mimaki-engineering-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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