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Ablic Inc.

USPTO Granted Patents = 348

% Expired Patents = 28.4

EPO Patents = 37

Trademarks = 3

Forward Citations = 161

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184 inventors (with patents filed for the assignee):

Fumiyasu Utsunomiya (24 out of 76 patents)

Kaoru Sakaguchi (20 out of 27 patents)

Tsutomu Tomioka (19 out of 36 patents)

4. Tomoki Hikichi (18 out of 35 patents)

5. Takaaki Hioka (16 out of 23 patents)

6. Kosuke Takada (14 out of 24 patents)

7. Takakuni Douseki (14 out of 18 patents)

8. Ami Tanaka (14 out of 16 patents)

9. Masakazu Sugiura (11 out of 46 patents)

10. Minoru Ariyama (10 out of 36 patents)

11. Fumihiko Maetani (9 out of 22 patents)

12. Hideyuki Sawai (9 out of 9 patents)

13. Hirotaka Uemura (8 out of 8 patents)

14. Yoshiomi Shiina (8 out of 11 patents)

15. Tadakatsu Kuroda (8 out of 8 patents)

Core Competencies:

Voltage Regulator

Current Detection Circuit

Battery Management

Semiconductor Device

ESD Protection

Charge Control Circuit

Ultrasonic Device

Low Pass Filter

Overcurrent Protection

Power Generation Sensor

Differential Amplifier

Reference Voltage Circuit

348 patents: Sort by Forward Citations

1. 12757714 - Capacitive element and semiconductor device (2026-10-06),

2. 12744463 - Switching regulator (2026-09-22),

3. 12743118 - Voltage regulator and semiconductor device (2026-09-22),

4. 12736990 - Semiconductor device (2026-09-15),

5. 12700859 - Current limiter circuit and current limiter device (2026-08-04),

6. 12699411 - Reference current source (2026-08-04),

7. 12695395 - Controller and self-oscillation DC-DC converter including the controller (2026-07-28),

8. 12689234 - Signal processing device and search method (2026-07-21),

9. 12656295 - Ribbon-type electrode and ribbon-type sensor (2026-06-16),

10. 12651914 - Voltage detection circuit, charge control circuit, charge and discharge control circuit, and semiconductor device (2026-06-09),

11. 12625012 - Temperature sensor device (2026-05-12),

12. 12619272 - Reference voltage generation device (2026-05-05),

13. 12578746 - Voltage regulator and semiconductor device (2026-03-17),

14. 12529715 - Current detection circuit (2026-01-20),

15. 12519487 - Semiconductor device (2026-01-06),

Company Overview

Ablic Inc., headquartered in Nagano, Japan, specializes in the development and manufacturing of semiconductor devices. The company focuses on advanced technologies such as voltage regulators, current detection circuits, and battery management systems. Ablic's expertise extends to ESD protection, charge control circuits, and low pass filters, catering to a wide range of applications in consumer electronics and industrial sectors. Their commitment to innovation positions them as a key player in the semiconductor industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

348 Patents

#6 in Nagano

#484 in Japan

#2,616 in the World

Ablic Inc.

Forward Citations = 161

184 inventors:

Fumiyasu Utsunomiya (24 out of 76 patents)

Kaoru Sakaguchi (20 out of 27 patents)

Tsutomu Tomioka (19 out of 36 patents)

4. Tomoki Hikichi (18 out of 35 patents)

5. Takaaki Hioka (16 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ablic Inc.. Retrieved from https://idiyas.com/company/ablic

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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