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For the Inventor, By the Inventor

Ube, Japan

Ube Machinery Corporation, Ltd.

USPTO Granted Patents = 54

% Expired Patents = 38.9



Trademarks = 1

Forward Citations = 97

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59 inventors (with patents filed for the assignee):

goldMedal Takeharu Yamamoto (24 out of 24 patents)

silverMedal Akio Okamoto (14 out of 17 patents)

bronzeMedal Kazuaki Miyamoto (10 out of 10 patents)

4.  Etsuo Okahara (7 out of 10 patents)

5.  Toshio Arai (6 out of 6 patents)

6.  Kazuaki Kobayashi (5 out of 5 patents)

7.  Atsushi Yakushigawa (4 out of 4 patents)

8.  Kenji Yonemochi (4 out of 7 patents)

9.  Kenji Oota (4 out of 4 patents)

10.  Yuichiro Fukuda (3 out of 3 patents)

11.  Toshikazu Iwamoto (3 out of 3 patents)

12.  Koji Nakano (3 out of 3 patents)

13.  Takashi Okusako (3 out of 3 patents)

14.  Yoshitaka Moroi (2 out of 2 patents)

15.  Norihiro Nishioka (2 out of 2 patents)


Core Competencies:
Injection Molding
Extrusion Press
Mold Clamping
Multilayer Molding
Thermoplastic Resins
Molded Products
Coating Methods
Pressure Control
Die Casting
Safety Systems
Manufacturing Methods
Transport Devices

54 patents:

1. 12042837 - Die block device (2024-07-23),
2. 11883991 - Control device of injection molding machine and method of setting mold clamping force (2024-01-30),
3. 11273479 - Extrusion press shearing device (2022-03-15),
4. 11007567 - Die casting machine (2021-05-18),
5. 10981314 - Mold clamp control method for injection molding machine having toggle-type mold clamping mechanism (2021-04-20),
6. 10926436 - Injection molding method and injection molding machine (2021-02-23),
7. 10518309 - Die-slide device of extrusion press (2019-12-31),
8. 10512960 - Extrusion press (2019-12-24),
9. 10507504 - Hybrid extrusion press (2019-12-17),
10. 10427339 - Method of manufacturing resin molded product, mold for injection molding, injection molding machine and resin molded product (2019-10-01),
11. 10307807 - Extrusion press (2019-06-04),
12. 10137620 - Method of manufacturing sandwich molded product, injection molding machine, and sandwich molded product (2018-11-27),
13. 10124383 - Extrusion method for extruded material (2018-11-13),
14. 10124382 - Billet transport device for extrusion press (2018-11-13),
15. 10040225 - Injection molding method (2018-08-07),
Company Overview
Ube Machinery Corporation, Ltd., headquartered in Ube, Japan, specializes in advanced injection molding technology and extrusion presses. The company is recognized for its expertise in mold clamping, multilayer molding, and the processing of thermoplastic resins. Ube Machinery focuses on developing innovative molded products and efficient coating methods, contributing to various industries by enhancing manufacturing processes and product quality. Its commitment to research and development positions it as a leader in the field of plastic processing technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Ube Machinery Corporation, Ltd. USPTO Patent Assignee Logo
54 Patents

#2 in Ube

#1,630 in Japan

#13,140 in the World

Ube, JP
Ube, Japan

Ube Machinery Corporation, Ltd.

Forward Citations = 97

59 inventors:

goldMedal Takeharu Yamamoto (24 out of 24 patents)

silverMedal Akio Okamoto (14 out of 17 patents)

bronzeMedal Kazuaki Miyamoto (10 out of 10 patents)

4.  Etsuo Okahara (7 out of 10 patents)

5.  Toshio Arai (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ube Machinery Corporation, Ltd.. Retrieved from https://idiyas.com/company/ube-machinery

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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