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For the Inventor, By the Inventor

Osaka, Japan

Keyence Corporation


USPTO Granted Patents = 538

% Expired Patents = 24.7


Trademarks = 4

Forward Citations = 2,722

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285 inventors (with patents filed for the assignee):

goldMedal Masato Shimodaira (17 out of 17 patents)

silverMedal Taichi Tajika (17 out of 17 patents)

bronzeMedal Hidezumi Nagata (15 out of 15 patents)

4.  Mamoru Idaka (14 out of 14 patents)

5.  Hajime Matsuda (14 out of 14 patents)

6.  Koji Fukumura (14 out of 14 patents)

7.  Hideki Yamakawa (13 out of 13 patents)

8.  Masahiro Inomata (13 out of 13 patents)

9.  Woobum Kang (12 out of 12 patents)

10.  Kentaro Yamazaki (11 out of 11 patents)

11.  Choryon Oh (11 out of 11 patents)

12.  Kazuhito Saeki (10 out of 10 patents)

13.  Manabu Kido (10 out of 10 patents)

14.  Tetsu Inoue (10 out of 10 patents)

15.  Kazutoshi Sugiyama (10 out of 10 patents)


Core Competencies:
Image Inspection
Smart Camera
Three-Dimensional Measurement
Analysis Device
Optical Information Reading
Laser Marking
Ultrasonic Flowmeter
Safety Switch
Industrial Camera
Displacement Sensor
Inkjet Printer
Static Eliminator

538 patents:

1. 12739302 - Industrial wireless system, root node and programmable logic controller (2026-09-15),
2. 12730435 - Industrial wireless systems, primary wireless node, and secondary wireless node (2026-09-08),
3. 12716715 - Optical displacement meter (2026-08-25),
4. 12710745 - STATIC ELIMINATOR AND STATIC ELIMINATION SYSTEM (2026-08-18),
5. 12705909 - Colony counting device, and control method (2026-08-11),
6. 12705726 - Appearance inspection apparatus and appearance inspection method (2026-08-11),
7. 12698998 - Level meter having a radio wave transmission unit and a radio wave reception unit (2026-08-04),
8. 12693113 - Optical displacement meter (2026-07-28),
9. 12688386 - Optical information reading device (2026-07-21),
10. 12688384 - Optical information reading device (2026-07-21),
11. D1134557 - Cartridge for inkjet printer (2026-07-14),
12. 12681451 - Scenario management device, scenario management method, and a computer-readable recording medium recording a program causing a computer to function as the scenario management device (2026-07-14),
13. 12666519 - Ion balance sensor and static elimination system (2026-06-23),
14. 12658394 - Safety switch with an electromagnetic lock mechanism (2026-06-16),
15. 12649313 - Inkjet recording device, and data transfer system and data transfer method including the inkjet recording device (2026-06-09),
KEYENCE CORPORATION is a leading provider of industrial automation and inspection equipment. With a wide range of products and solutions, we help businesses optimize their manufacturing processes and improve productivity. Our innovative technologies and comprehensive support services ensure that our customers stay at the forefront of industry trends and stay competitive.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Keyence Corporation
538 Patents

#44 in Osaka

#365 in Japan

#1,804 in the World

Osaka, JP
Osaka, Japan

Keyence Corporation

Forward Citations = 2,722

285 inventors:

goldMedal Masato Shimodaira (17 out of 17 patents)

silverMedal Taichi Tajika (17 out of 17 patents)

bronzeMedal Hidezumi Nagata (15 out of 15 patents)

4.  Mamoru Idaka (14 out of 14 patents)

5.  Hajime Matsuda (14 out of 14 patents)

Please report any incorrect information to [email protected]
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