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Shibaura Machine Co., Ltd.

USPTO Granted Patents = 60

EPO Patents = 1

Trademarks = 12

Forward Citations = 59

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91 inventors (with patents filed for the assignee):

Takafumi Sameshima (13 out of 16 patents)

Akiyoshi Kobayashi (11 out of 21 patents)

Shigeyuki Fujii (11 out of 15 patents)

4. Hiroshi Shimizu (8 out of 67 patents)

5. Saburo Noda (6 out of 14 patents)

6. Makoto Tsuji (6 out of 26 patents)

7. Koji Mizunuma (4 out of 14 patents)

8. Mitsunori Kokubo (4 out of 32 patents)

9. Takanobu Akiyama (4 out of 4 patents)

10. Koji Tsuchiya (4 out of 4 patents)

11. Hirohiko Matsuzaki (3 out of 4 patents)

12. Masato Kinoshita (3 out of 5 patents)

13. Kaho Osada (3 out of 4 patents)

14. Kentaro Taki (3 out of 5 patents)

15. Yuto Hayashi (3 out of 3 patents)

Core Competencies:

Injection Molding Machine

Extruder Screw

Processing Machine

Additive Manufacturing

Friction Stir Welding

Surface Treatment Device

Optical Sheet Forming

Die Casting Machine

Kneading Apparatus

Composite Material

Fluidity Control

Transfer Apparatus

60 patents: Sort by Forward Citations

1. 12522914 - Flow rate adjustment valve, pump unit, and surface treatment device (2026-01-13),

2. 12522912 - Surface treatment device (2026-01-13),

3. 12521928 - Injection molding machine and method of controlling the same (2026-01-13),

4. 12502745 - Processing machine and production method for object subject to processing (2025-12-23),

5. 12479058 - Processing machine, measuring device, and method for manufacturing object to be processed (2025-11-25),

6. 12459185 - Screw machine with a rotatable filter in a deaeration port (2025-11-04),

7. 12434419 - Abnormality detection device for extrusion molding machine (2025-10-07),

8. 12434342 - Processing machine, processing system, and method for manufacturing processed object (2025-10-07),

9. 12422814 - Workpiece machining method and workpiece machining device (2025-09-23),

10. 12403628 - Kneading method for use with kneading apparatus with first and second extruders (2025-09-02),

11. 12397488 - Apparatus for controlling fluidity index of molten resin (2025-08-26),

12. 12365142 - Additive manufacturing system (2025-07-22),

13. 12365033 - Nozzle and additive manufacturing apparatus (2025-07-22),

14. 12337514 - Hybrid core driving device and molding machine (2025-06-24),

15. 12337505 - Method for producing fiber-reinforced composite material (2025-06-24),

Company Overview

Shibaura Machine Co., Ltd., headquartered in Tokyo, specializes in advanced injection molding technology and related machinery. The company develops and manufactures a diverse range of equipment, including injection molding machines, extruder screws, and die casting machines. Shibaura Machine is also involved in innovative processes such as additive manufacturing, friction stir welding, and surface treatment devices, positioning itself as a key player in the manufacturing sector with a strong focus on enhancing production efficiency and product quality.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

60 Patents

#722 in Tokyo

#1,534 in Japan

#12,083 in the World

Shibaura Machine Co., Ltd.

Forward Citations = 59

91 inventors:

Takafumi Sameshima (13 out of 16 patents)

Akiyoshi Kobayashi (11 out of 21 patents)

Shigeyuki Fujii (11 out of 15 patents)

4. Hiroshi Shimizu (8 out of 67 patents)

5. Saburo Noda (6 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shibaura Machine Co., Ltd.. Retrieved from https://idiyas.com/company/shibaura-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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