For the Inventor, By the Inventor

Enter assignee name

Keyence Corporation

USPTO Granted Patents = 540

% Expired Patents = 24.6

EPO Patents = 22

Trademarks = 4

Forward Citations = 2,722

Loading Chart...

Loading Chart...

285 inventors (with patents filed for the assignee):

Masato Shimodaira (17 out of 17 patents)

Taichi Tajika (17 out of 17 patents)

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

540 patents: Sort by Forward Citations

1. 12754133 - Refractive-index concentration sensor (2026-10-06),

2. 12754014 - Optical displacement meter (2026-10-06),

3. 12739302 - Industrial wireless system, root node and programmable logic controller (2026-09-15),

4. 12730435 - Industrial wireless systems, primary wireless node, and secondary wireless node (2026-09-08),

5. 12716715 - Optical displacement meter (2026-08-25),

6. 12710745 - STATIC ELIMINATOR AND STATIC ELIMINATION SYSTEM (2026-08-18),

7. 12705909 - Colony counting device, and control method (2026-08-11),

8. 12705726 - Appearance inspection apparatus and appearance inspection method (2026-08-11),

9. 12698998 - Level meter having a radio wave transmission unit and a radio wave reception unit (2026-08-04),

10. 12693113 - Optical displacement meter (2026-07-28),

11. 12688386 - Optical information reading device (2026-07-21),

12. 12688384 - Optical information reading device (2026-07-21),

13. D1134557 - Cartridge for inkjet printer (2026-07-14),

14. 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),

15. 12666519 - Ion balance sensor and static elimination system (2026-06-23),

Keyence Corporation, headquartered in Osaka, Japan, specializes in advanced image inspection technology and automation solutions. The company develops a wide range of products, including smart cameras, three-dimensional measurement devices, and optical information reading systems. Keyence is recognized for its innovative contributions to industries such as manufacturing and quality control, offering tools that enhance precision and efficiency. Their technology portfolio also includes laser marking systems, ultrasonic flowmeters, and safety switches, catering to diverse industrial applications.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Keyence Corporation

540 Patents

#45 in Osaka

#366 in Japan

#1,803 in the World

Keyence Corporation

Forward Citations = 2,722

285 inventors:

Masato Shimodaira (17 out of 17 patents)

Taichi Tajika (17 out of 17 patents)

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]

Loading…