Mitsubishi Materials Corporation

Intellectual Property

Intellectual Property

Strategically Create Intellectual Property that Contributes to Business, and Reduce Intellectual Property Risk

Presenting options as the mission of the Development Dept. for business development of Mitsubishi Materials Group and contributing to technology and development strategies, and thereby making proposals for business and development strategies in the creation of intellectual property, disputes, licenses, and other negotiations with other companies and improving the level of intellectual property governance in the Group.

Vision and Mission

Our major missions are to form an intellectual property asset portfolio, respond to intellectual property risks, and improve the level of intellectual property in the Mitsubishi Materials Group so as to contribute to our business.

Vision and mission

As a trusted group of intellectual property experts, we aim to become an organization with a wide range of knowledge that contributes to business and development strategies.

Overview of the Mitsubishi Materials Group's Intellectual Property System

Overview of the Mitsubishi Materials Group's Intellectual Property System

Strategic Intellectual Property Formation Activities and Strengthening the Governance System

While utilizing intellectual property information analysis, we promotes "strategic dialogue" between business divisions and intellectual property divisions with the aim of forming strategic intellectual property.
In addition, we have strengthened its governance system through regular reports to the Strategic Management Committee and the Board of Directors and deliberations in the Meeting of Executive Officers and the Board of Directors

Strategic Intellectual Property Formation Activities and Strengthening the Governance System

Strategic Dialogue (Strategic Utilization of Intellectual Property Information)

From the development policy review stage, the Intellectual Property Office has conversations (strategic dialogue) with business divisions (including top management) to add intellectual property perspectives to management and business policies, with the aim of reducing various risks that occur at the business stage and at the same time forming high-value intellectual property rights.

Strategic Dialogue (Strategic Use of Intellectual Property Information)

Promotion of Branding

Mitsubishi Materials has branded new materials and is actively building them.


GloBrass and ECOBRASS are lead-free free-cutting brass alloys that are controlled to a lead content of 0.09% or less and complies with the EU's ELV Directive, RoHS Directive, and various regulations such as drinking water.


MOFC is a lineup of high-quality, high-performance oxygen-free copper products incorporating our core technologies-oxygen-free copper production technology and material-design technology.
In 2021, an oxygen-free copper MOFC-HR that meets high strength and heat resistance was newly added.


CLEANBRIGHT is an alloy that maintains the sterility and antiviral properties of copper but does not cause discoloration and discoloration. It combines high strength and processability as a material, and can be processed into a variety of parts that require antimicrobial properties.

Invention Reward System

Invention Reward System

Intellectual Property Education

We provide Group employees with the intellectual property education shown in the table below to improve their intellectual property literacy, utilize intellectual property information in business activities, and provide education for effective intellectual property formation.

Intellectual property education

Domestic and Overseas Patent Rights Held

Trends in the number of domestic and overseas patents held by Mitsubishi Materials are as follows.
(Aggregated at the end of each fiscal year)

Domestic and Overseas Patent Rights Held