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For the Inventor, By the Inventor

Aichi, Japan

Yamazaki Mazak Corporation


USPTO Granted Patents = 143

% Expired Patents = 25.9


Forward Citations = 585

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253 inventors (with patents filed for the assignee):

goldMedal Naoomi Miyakawa (23 out of 26 patents)

silverMedal Tsunehiko Yamazaki (22 out of 45 patents)

bronzeMedal Morikuni Kimura (12 out of 12 patents)

4.  Kazuki Uemura (10 out of 10 patents)

5.  Minoru Kitayama (10 out of 10 patents)

6.  Shoji Momoi (10 out of 11 patents)

7.  Kazuhiro Kikata (8 out of 8 patents)

8.  Hiromasa Yamamoto (8 out of 8 patents)

9.  Kenji Arisue (8 out of 8 patents)

10.  Yasuhiro Goshima (8 out of 8 patents)

11.  Yukio Mitsukuchi (8 out of 9 patents)

12.  Takuro Katayama (7 out of 7 patents)

13.  Naokazu Okabe (7 out of 7 patents)

14.  Shuichi Hashimoto (7 out of 7 patents)

15.  Kiyoshi Nishida (6 out of 6 patents)


Core Competencies:
Laser Machining
Composite Processing
Machining Program Editing
Numerical Control
Friction Stir Welding
Workpiece Installation
Tool Load Display
Multi-Tasking Machine
Machining System
Thermal Displacement Correction
Vertical Machining Center
Turning Method

143 patents:

1. 12734632 - Spindle lubricator of machine tool, machine tool, and use method of machine tool (2026-09-15),
2. 12674348 - Door device of machine tool and machine tool (2026-07-07),
3. 12673384 - Laser processor, laser processing system, and method for mounting cartridge (2026-07-07),
4. 12667907 - Combined machining apparatus, method to perform cutting and friction stir welding, and computer readable storage medium (2026-06-30),
5. 12589449 - Laser working machine and method for maintaining laser working machine (2026-03-31),
6. 12583070 - Turning method, machining system, and non-transitory computer readable storage medium (2026-03-24),
7. 12551949 - Method for pressing tailstock of machining apparatus, machining apparatus, and computer-readable storage medium (2026-02-17),
8. 12479044 - Sheet metal working system, laser machining apparatus, sheet metal working method, and machining region setting program for laser machining (2025-11-25),
9. 12372942 - Machine tool, tool load displaying method for machine tool, and non-transitory computer-readable storage medium for calculation of machining parameters using a replacement tool (2025-07-29),
10. 12358057 - Jaw exchanger and machine tool (2025-07-15),
11. 12339639 - Controller, machine tool, calculation method, and non-transitory computer readable storage medium (2025-06-24),
12. 12287616 - Numerical controller, numerical control machine tool, machining program generation device, and machining program generation method (2025-04-29),
13. 12263551 - Rotary shaft locking device, machining head, and multi-tasking machine (2025-04-01),
14. 12186839 - Metal laminating and modeling method (2025-01-07),
15. 12135537 - Machine tool, tool load displaying method for machine tool, and non-transitory computer-readable storage medium (2024-11-05),
Company Overview
Yamazaki Mazak Corporation is a leading manufacturer in the machine tool technology sector, headquartered in Aichi, Japan. The company specializes in advanced machining solutions, focusing on laser machining, composite processing, and multi-tasking machines. With a commitment to innovation, Mazak develops technologies such as numerical control systems and friction stir welding, enhancing precision and efficiency in manufacturing processes. Their expertise supports a wide range of industries, driving advancements in production capabilities globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

143 Patents

#19 in Aichi

#883 in Japan

#5,693 in the World

Aichi, JP
Aichi, Japan

Yamazaki Mazak Corporation

Forward Citations = 585

253 inventors:

goldMedal Naoomi Miyakawa (23 out of 26 patents)

silverMedal Tsunehiko Yamazaki (22 out of 45 patents)

bronzeMedal Morikuni Kimura (12 out of 12 patents)

4.  Kazuki Uemura (10 out of 10 patents)

5.  Minoru Kitayama (10 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamazaki Mazak Corporation. Retrieved from https://idiyas.com/company/yamazaki-mazak

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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