Ryo Takagi

This inventor holds 12 USPTO granted patents and 2 published patent applications. Top assignees: Rohm Co., Ltd., Rohm Gmbh. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryo Takagi. Retrieved from https://idiyas.com/inventor/ryo-takagi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 12 (Patent Applications = 2)

% Patents Active = 83.3

Average Co-Inventor Count = 1.9

ph-index = 2

Forward Citations = 15(Granted Patents)

Company Filing History:

Years Active: 2011-2026

Loading Chart...

12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12557192 - Semiconductor device, switching power supply, and lighting device (2026-02-17),

2. 12464613 - Level shifter, semiconductor device, switching power supply, and light emitting device (2025-11-04),

3. 12401284 - Light-emitting element driving control device and light-emitting element driving circuit device (2025-08-26),

4. 12096530 - Power control device (2024-09-17),

5. 12047004 - Light-emitting element driving control device and light-emitting element driving circuit device (2024-07-23),

6. 11871490 - Lighting control device, lighting device, and vehicle (2024-01-09),

7. 11764683 - Light-emitting element driving control device (2023-09-19),

8. 11502608 - Light-emitting element driving control device and light-emitting element driving circuit device (2022-11-15),

9. 11265981 - Light emitting element driving device (2022-03-01),

10. 11172556 - Light emitting element drive device (2021-11-09),

11. 8022757 - Class D power amplifier (2011-09-20),

12. 7965137 - Class-D amplifier (2011-06-21),

Title: Ryo Takagi: Innovator in Semiconductor Technology

Introduction

Ryo Takagi is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His work focuses on innovative devices that enhance the performance and efficiency of electronic systems.

Latest Patents

Among his latest patents are several groundbreaking inventions. One notable patent is a level shifter that includes a current output amplifier designed to output distinct currents through its terminals. This device utilizes resistors to manage input and output signals effectively. Another significant invention is a light-emitting element driving circuit device. This device features a clock signal generator and a current sense circuit, which work together to monitor and control the operation of light-emitting elements, ensuring optimal performance.

Career Highlights

Ryo Takagi is currently employed at Rohm Co., Ltd., a leading company in the semiconductor industry. His role involves developing advanced technologies that push the boundaries of electronic components. His expertise in semiconductor devices has positioned him as a key player in the field.

Collaborations

Throughout his career, Ryo has collaborated with talented individuals such as Akira Aoki and Koji Takahata. These partnerships have fostered innovation and contributed to the successful development of various technologies.

Conclusion

Ryo Takagi's contributions to semiconductor technology are noteworthy, with a portfolio of 12 patents that reflect his innovative spirit. His work continues to influence the industry and pave the way for future advancements.

Profile summary based on public USPTO records.

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]

2 patents pending: