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For the Inventor, By the Inventor

Tokyo, Japan

Azbil Corporation


USPTO Granted Patents = 356

% Expired Patents = 39.6


Trademarks = 14

Forward Citations = 561

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260 inventors (with patents filed for the assignee):

goldMedal Masato Tanaka (25 out of 184 patents)

silverMedal Raita Mori (18 out of 18 patents)

bronzeMedal 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

356 patents:

1. 12737685 - Cause estimation system, program, and model construction method (2026-09-15),
2. 12624835 - Inspection device (2026-05-12),
3. 12624773 - Wireless opening meter, valve maintenance support system and support method (2026-05-12),
4. 12407191 - Closed-space sensor system and method for operating closed-space sensor system (2025-09-02),
5. 12153166 - Light detection system and discharge probability calculating method (2024-11-26),
6. D1047725 - Vacuum gauge (2024-10-22),
7. D1007352 - Vacuum gauge (2023-12-12),
8. 11768120 - Diaphragm vacuum gauge with decreased parasitic capacitance (2023-09-26),
9. 11740151 - Adjustable self-heating diaphragm vacuum gauge (2023-08-29),
10. 11703416 - Valve maintenance assistance device and assisting method (2023-07-18),
11. 11668411 - Valve abnormality detecting device and method (2023-06-06),
12. 11630017 - Pressure sensor housing and pressure sensor being disposed inside a heater block (2023-04-18),
13. 11609139 - Pressure sensor (2023-03-21),
14. 11573142 - Capacitive diaphragm vacuum gauge including a pressure sensor with multiple recesses being formed in the diaphragm (2023-02-07),
15. 11509748 - HART modem and diagnostic system (2022-11-22),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Azbil Corporation
356 Patents

#238 in Tokyo

#477 in Japan

#2,571 in the World

Tokyo, JP
Tokyo, Japan

Azbil Corporation

Forward Citations = 561

260 inventors:

goldMedal Masato Tanaka (25 out of 184 patents)

silverMedal Raita Mori (18 out of 18 patents)

bronzeMedal Tomohisa Tokuda (18 out of 23 patents)

4.  Osamu Momose (17 out of 18 patents)

5.  Takuya Ishihara (12 out of 13 patents)

Please report any incorrect information to [email protected]
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