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Asahi Kasei Microdevices Corporation

USPTO Granted Patents = 343

% Expired Patents = 5.8

EPO Patents = 42

Trademarks = 8

Forward Citations = 331

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260 inventors (with patents filed for the assignee):

Takaaki Furuya (26 out of 30 patents)

Toshiro Sakamoto (18 out of 18 patents)

Takenobu Nakamura (18 out of 19 patents)

4. Hiromi Fujita (14 out of 16 patents)

5. Shigeki Okatake (14 out of 15 patents)

6. Shota Isshiki (12 out of 13 patents)

7. Toshiaki Fukunaka (11 out of 12 patents)

8. Edson Gomes Camargo (10 out of 12 patents)

9. Masaki Tsujimoto (10 out of 23 patents)

10. Kenji Suzuki (9 out of 141 patents)

11. Tatsushi Yagi (9 out of 9 patents)

12. Keiichiro Kuwata (9 out of 11 patents)

13. Kengo Sasayama (8 out of 9 patents)

14. Osamu Morohara (8 out of 8 patents)

15. Makoto Kataoka (8 out of 13 patents)

Core Competencies:

Gas Sensor

Infrared Device

Current Sensor

Optical Concentration Measuring

Magnetic Sensor

Signal Processing

Calibration Apparatus

Temperature Measurement

Motion Detection

Photodetection

Gas Detection System

Semiconductor Module

343 patents: Sort by Forward Citations

1. 12754871 - Slave device, communication system, imaging device, master device, and data communication method (2026-10-06),

2. 12747983 - Optical concentration measuring device and signal processor (2026-09-29),

3. 12742761 - Gas leakage detection apparatus, gas leakage detection system, gas leakage detection method, and non-transitory computer readable medium (2026-09-22),

4. 12725901 - Waveguide converter (2026-09-01),

5. 12724043 - Current sensor (2026-09-01),

6. D1144237 - Busbar (2026-08-25),

7. 12713131 - CONTROL METHOD, CONTROL APPARATUS, IMAGE CAPTURING APPARATUS, AND COMPUTER READABLE STORAGE MEDIUM (2026-08-18),

8. D1138808 - Gas sensor housing (2026-08-04),

9. D1138807 - Gas sensor (2026-08-04),

10. 12693378 - Information processing apparatus and sensing method (2026-07-28),

11. D1134252 - Current sensor (2026-07-14),

12. 12674755 - Optical density measuring apparatus (2026-07-07),

13. 12671345 - Rectifying circuit and electric power source circuit (2026-06-30),

14. 12663252 - Estimation apparatus, apparatus, estimation method and computer readable storage medium (2026-06-23),

15. 12656377 - Current measurement module (2026-06-16),

Company Overview

Asahi Kasei Microdevices Corporation, based in Tokyo, specializes in advanced gas detection technology. The company focuses on the development and manufacturing of a diverse range of sensors, including gas sensors, infrared devices, and magnetic sensors. Their expertise extends to signal processing and calibration apparatus, enhancing the accuracy and reliability of measurements in various applications. With a commitment to innovation, Asahi Kasei Microdevices plays a vital role in industries requiring precise environmental monitoring and control.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

343 Patents

#245 in Tokyo

#488 in Japan

#2,645 in the World

Asahi Kasei Microdevices Corporation

Forward Citations = 331

260 inventors:

Takaaki Furuya (26 out of 30 patents)

Toshiro Sakamoto (18 out of 18 patents)

Takenobu Nakamura (18 out of 19 patents)

4. Hiromi Fujita (14 out of 16 patents)

5. Shigeki Okatake (14 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Asahi Kasei Microdevices Corporation. Retrieved from https://idiyas.com/company/asahi-kasei-microdevices

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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