ESG Data

Environmental (E) Data

Environmental performance data

Financial Control*　(Coverage: 95% or more on an electricity-consumption basis, and 90% or more for Scope 3 emissions)
Scope of consolidation (group-wide coverage):
Sanken Electric Co., Ltd. (Head Office), Ishikawa Sanken (*1), Yamagata Sanken, Fukushima Sanken, Dalian Sanken (*2), the former Kawagoe Plant (*3), Sanken Opto Products (*4), Kashima Sanken (*5), the Semiconductor Reliability Evaluation Center, and non-production sites (sales offices and Sanken Plaza).
Calculation method from FY2022:
From FY2022, data have been calculated by Sanken Core.
The entities included in the consolidation scope are Sanken Electric Co., Ltd., Ishikawa Sanken (Horimatsu, Shiga, and Noto), Yamagata Sanken, Fukushima Sanken, Sanken Plaza, the Semiconductor Reliability Evaluation Center, Dalian Sanken, and EK (*6).
*1 January 2022
　Reorganization of manufacturing operations within Ishikawa Sanken (Machino Plant was integrated into the Uchiura Plant and reorganized as the Noto Plant).
As of April 2023, the scope includes the Horimatsu Plant, Shika Plant, and Noto Plant.
*2 April 2022
　Added to the scope of calculation.
*3 April 2021
　Intra-group business reorganization (business transferred to another company).
*4 April 2021
　Intra-group business reorganization (integrated into the Horimatsu Plant of Ishikawa Sanken).
*5 December 2021
　Intra-group business reorganization (integrated into the Horimatsu Plant of Ishikawa Sanken; closed in May 2022).
*6 December 2023
　Became a wholly owned subsidiary; included in reporting from FY2024 onward (excluding Scope 3).
*7 August 2024
　Following the exclusion of Allegro Microsystems, Inc. from the scope of consolidation, the denominator used for revenue-based intensity indicators was revised to better reflect actual business conditions.
*8 FY2025 performance data will be disclosed after completion of third-party assurance (scheduled for August 2026).

Social (S) Data

•  ● FY2025 data is as of March 31, 2026.

 *1  The childcare leave utilization rate was calculated in accordance with the requirements of the Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members (Act No. 76 of 1991) and its Enforcement Ordinance (Ministry of Labour Ordinance No. 25 of 1991), Article 71-6, Item 1.  *2  The rate may exceed 100% when there are male employees whose spouse gave birth in one fiscal year but who took childcare leave in a different fiscal year.

 * Occupational accident frequency rate (LTIFR:Lost Time Injury Frequency Rate) is One of the indicators representing occurrence frequency.
 *  Severity Rate of Occupational Accidents (Severity Rate) is ne of the indicators representing severity.
 * The calculation is based on the calendar year.
 * Established a safety and health framework at Niigata Sanken in 2024.
　Health and Safety Page

 * The wage system is set based on qualification levels and positions, with no gender-based wage disparities. Men and women in the same qualification level and position receive the same wages.
 * The disparity that exists is due to the differences in gender composition ratios within each qualification level and position.

 * In FY2025, we reviewed our priority activities and allocated resources from companies across the Sanken Group.
　Social Contribution Page

Governance (G) Data

Composition of the Board of Directors

Composition of the Audit and Supervisory Committee

Composition of the Nomination Committee

Composition of the Compensation Committee

Corporate Governance

Number of Meetings Held and Attendance Rate (FY2025)

*1 The attendance records of Tatsuaki Seki and Osamu Yanagisawa at Board of Directors meetings cover only those meetings held after their appointment on June 27, 2025.
*2 Yumi Ogose retired as an Outside Director (not serving as an Audit and Supervisory Committee Member) on June 27, 2025, and was appointed as an Outside Director serving as an Audit and Supervisory Committee Member on the same date.
*3 The attendance rates of Noriharu Fujita, Takamoto Yamada, and Atsushi Minami are based on Board of Directors meetings held before their retirement on June 27, 2025.
*4 Major resolutions of the Board of Directors during the fiscal year included matters related to collaboration with MinebeaMitsumi Power Device Inc., the cancellation of treasury shares acquired as part of shareholder returns, an absorption-type merger aimed at accelerating the commercialization of GaN devices, the activities of the Sustainability Committee, the setting of performance indicators for performance-linked executive compensation, and the evaluation of the effectiveness of the Board of Directors.

Board and Committee Composition

*1 Shows the composition of the Board of Directors, the Audit and Supervisory Committee, and voluntary committees, as well as the chairpersons of each body. (◎ indicates the Chairperson or Committee Chair, and 〇 indicates membership on the relevant Board or Committee.)
*2 The Company has appointed seven Independent Outside Directors (including Outside Directors serving as Audit and Supervisory Committee Members) out of a total of eleven Directors. As a result, Independent Outside Directors constitute a majority (64%) of the Board of Directors.
*3 Two of the three members (67%) of the Audit and Supervisory Committee are Independent Outside Directors.
*4 Three of the four members (75%) of the Nominating Committee are Independent Outside Directors.
*5 Three of the five members (60%) of the Compensation Committee are Independent Outside Directors.