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Azbil Corporation

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USPTO Granted Patents = 357

% Expired Patents = 39.5

EPO Patents = 89

Trademarks = 14

Forward Citations = 573

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261 inventors (with patents filed for the assignee):

Masato Tanaka (25 out of 184 patents)

Raita Mori (18 out of 18 patents)

Tomohisa Tokuda (18 out of 23 patents)

4. Osamu Momose (17 out of 18 patents)

5. Takuya Ishihara (12 out of 13 patents)

6. Hisashi Beppu (11 out of 12 patents)

7. Hirofumi Tojo (11 out of 13 patents)

8. Hiroaki Narita (10 out of 11 patents)

9. Daisuke Obara (10 out of 11 patents)

10. Tomofumi Ohashi (9 out of 15 patents)

11. Hidenobu Tochigi (9 out of 9 patents)

12. Tatsuya Ueno (9 out of 19 patents)

13. Mayumi Miura (9 out of 10 patents)

14. Kouji Okuda (9 out of 13 patents)

15. Masashi Sekine (8 out of 10 patents)

Core Competencies:

Pressure Sensors

Vacuum Gauges

Flame Detection Systems

Capacitive Sensors

Differential Pressure Gauges

Light Detection Systems

Diaphragm Sensors

Thermal Flowmeters

Regulating Valves

Electromagnetic Flow Meters

Displacement Magnification Devices

Charge Controlling Systems

357 patents: Sort by Forward Citations

1. 12779612 - Cutting tool inspection apparatus and method (2026-11-03),

2. 12737685 - Cause estimation system, program, and model construction method (2026-09-15),

3. 12624835 - Inspection device (2026-05-12),

4. 12624773 - Wireless opening meter, valve maintenance support system and support method (2026-05-12),

5. 12407191 - Closed-space sensor system and method for operating closed-space sensor system (2025-09-02),

6. 12153166 - Light detection system and discharge probability calculating method (2024-11-26),

7. D1047725 - Vacuum gauge (2024-10-22),

8. D1007352 - Vacuum gauge (2023-12-12),

9. 11768120 - Diaphragm vacuum gauge with decreased parasitic capacitance (2023-09-26),

10. 11740151 - Adjustable self-heating diaphragm vacuum gauge (2023-08-29),

11. 11703416 - Valve maintenance assistance device and assisting method (2023-07-18),

12. 11668411 - Valve abnormality detecting device and method (2023-06-06),

13. 11630017 - Pressure sensor housing and pressure sensor being disposed inside a heater block (2023-04-18),

14. 11609139 - Pressure sensor (2023-03-21),

15. 11573142 - Capacitive diaphragm vacuum gauge including a pressure sensor with multiple recesses being formed in the diaphragm (2023-02-07),

Company Overview

Azbil Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced pressure sensors and related technologies. The company focuses on a range of core technology areas, including vacuum gauges, flame detection systems, capacitive sensors, and thermal flowmeters. With a commitment to innovation, Azbil aims to enhance industrial automation and safety through its precision measurement solutions, catering to diverse sectors such as manufacturing, energy, and environmental monitoring.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

357 Patents

#235 in Tokyo

#473 in Japan

#2,565 in the World

Azbil Corporation

Forward Citations = 573

261 inventors:

Masato Tanaka (25 out of 184 patents)

Raita Mori (18 out of 18 patents)

Tomohisa Tokuda (18 out of 23 patents)

4. Osamu Momose (17 out of 18 patents)

5. Takuya Ishihara (12 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Azbil Corporation. Retrieved from https://idiyas.com/company/azbil

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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