Intellectual Property Policy

In order to fulfill our Company Mission of “Quality First” at Rohm Group, we strive to improve upon technologies held by each department by properly protecting and using our own intellectual property, we will improve our corporate value.
Also, Rohm Group respects the intellectual property rights and strives to ensure that we do not infringe on the legitimate intellectual property rights of third parties.

Intellectual Property Activities and Strategy

ROHM Group practices business activities that respect the intellectual property rights of others, ROHM Group is also continuously working to strengthen its world-leading technological and product development capabilities.
As of the end of March 2026, ROHM Group holds approximately 8,000 patents worldwide, primarily in Japan, the United States, Europe and China (3,200 in Japan and 4,800 overseas).
With regard to trademarks, the Public & Investor Relations Division, Marketing Headquarters, and Intellectual Property Division work closely together to enhance corporate and product brand value by securing trademark rights in countries and regions where products are sold.
In particular, ROHM Group focuses on power device-related technologies such as SiC, IGBT and GaN. By securing patents for technological inventions that realize high levels of value-add to these fields, the Group aims to ensure its competitive advantage.

Trends in the number of registered patents.

Increase rate of patents held since FY2019 in ROHM priority areas

Patent portfolio and sales by segment.

Intellectual Property Activity Promotion System

ROHM Group holds IP strategy meetings four times a year that are led by the head of the Intellectual Property Division and composed of executive officers and business division heads.
At these meetings, company-wide IP strategies are discussed and formulated.
The formulated IP strategy is reported to the Board of Directors once a year, enabling the directors to supervise the IP strategy.

Intellectual property activity promotion system

Developing Human Resources to Promote Intellectual Property Activities

ROHM Group systematically implements intellectual property education for employees of all grades, from new hires to managers, aiming to develop personnel who promote intellectual property activities.
In addition, ROHM Group has established its own evaluation criteria to assess intellectual property activities and every year, we honor engineers who have met these criteria as recipients of the ROHM Invention Award.
In particular, we promote the creation of intellectual property from inventions generated within ROHM Group through incentives, such as establishing a young innovator award for young rising talent.

History of External Awards

ROHM Group has received numerous awards at regional invention awards sponsored by the Japan Institute of Invention and Innovation.

History of invention awards