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Here is an overview of Asahi Dia, including company profile, management information, and location details.

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Announcement 2026.10.06

Notice Regarding the Awarding of Fellow Status by the Society of Abrasive Processing

Events 2026.10.06

Exhibiting at JIMTOF 2026

Events 2026.09.25

Exhibiting at SEMICON EUROPA 2026 (Germany)

Events 2026.09.09

Exhibiting at the 3rd [Kyushu] Semiconductor Industry Exhibition

Events 2026.08.21

Exhibiting at SEMICON INDIA 2026

Events 2026.08.20

Announcement Regarding Our Participation in the 12th China International Wire Industry Exhibition (China)

Announcement 2026.10.06

Notice Regarding the Awarding of Fellow Status by the Society of Abrasive Processing

Announcement 2026.06.01

Notice of the Publication of the Transcript of the Financial Results Briefing for the Fiscal Year Ending March 2026

Announcement 2025.11.27

Notice Regarding the Publication of the Transcript of the Financial Results Briefing for the Second Quarter (Interim) of the Fiscal Year Ending March 2026

Announcement 2025.11.04

Export Restrictions on Synthetic Diamond Abrasives Imposed by China’s Ministry of Commerce

Announcement 2025.06.10

Notice Regarding the Redesign of the Yamanashi Asahi Diamond Industries Co., Ltd. Website

Announcement 2025.05.30

Notice Regarding the Publication of the Transcript of the Financial Results Briefing for the Fiscal Year Ending March 2025

Company 2026.08.05

Announcement of an Investor Relations Seminar for Individual Investors

Company 2026.07.01

Announcement of the Launch of Sales Promotion Activities for Hub Blades Manufactured by AA Diamond Technology Co., Ltd.

Company 2026.04.08

Notice Concerning Relocation of Head Office

Company 2026.03.23

Regarding the Establishment of the Shiga Sales Office

Company 2025.07.31

Announcement of the Opening of Joint Venture Company “AA Diamond Technology Co., Ltd.”

Company 2025.05.09

Establishment of Joint Venture Company "AA Diamond Technology Co., Ltd.”

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Events 2026.10.06

Exhibiting at JIMTOF 2026

Events 2026.09.25

Exhibiting at SEMICON EUROPA 2026 (Germany)

Events 2026.09.09

Exhibiting at the 3rd [Kyushu] Semiconductor Industry Exhibition

Events 2026.08.21

Exhibiting at SEMICON INDIA 2026

Events 2026.08.20

Announcement Regarding Our Participation in the 12th China International Wire Industry Exhibition (China)

Events 2026.08.19

Notice Regarding Participation in the EMIDAS Manufacturing Fair (Formerly Known as the FBC ASEAN Manufacturing Fair) (Vietnam)

Media 2024.07.12

【TV broadcast】Video of "Canning Takeyama's Ichiban Laboratory" (broadcast on July 6, 2024) is now available on our official YouTube channel.

Media 2024.06.28

TV Broadcast Announcement

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Fact Sheet 2026.08.28

Business Report （422 KB）

Consolidated Financial Results 2026.08.07

Summary of the Consolidated Financial Results for the Three Months Ended June 30, 2026 （242 KB）

Other 2026.08.07

Notice Concerning Revision of Consolidated Earnings Forecasts for the First Half (Cumulative) and Full Year of the Fiscal Year Ending March 31, 2027 （165 KB）

Other 2026.08.07

Notice Concerning the Introduction of a Shareholder Benefits Program （209 KB）

Other 2026.08.07

Notice Concerning the Decision on Matters Concerning the Acquisition of Shares Under the Stock Compensation Plan （111 KB）

Other 2026.07.01

Announcement Regarding the Launch of Hub Blades Manufactured by AA Diamond Technology Co., Ltd. （199 KB）

Consolidated Financial Results 2026.08.07

Summary of the Consolidated Financial Results for the Three Months Ended June 30, 2026 （242 KB）

Consolidated Financial Results 2026.05.15

Summary of the Consolidated Financial Results for the Fiscal Year Ended March 31, 2026 （459 KB）

Consolidated Financial Results 2026.02.10

Summary of the Consolidated Financial Results for the Nine Months Ended December 31, 2025 （643 KB）

Consolidated Financial Results 2025.11.07

Summary of the Consolidated Financial Results for the Six Months Ended September 30, 2025 （656 KB）

Consolidated Financial Results 2025.08.08

Summary of the Consolidated Financial Results for the Three Months Ended June 30, 2025 （452 KB）

Consolidated Financial Results 2025.05.15

Summary of the Consolidated Financial Results for the Fiscal Year Ended March 31, 2025 （689 KB）

Notice of General Meeting of Shareholders 2026.06.01

NOTICE OF THE 107TH ANNUAL GENERAL MEETING OF SHAREHOLDERS （218 KB）

Notice of General Meeting of Shareholders 2025.05.30

NOTICE OF THE 106TH ANNUAL GENERAL MEETING OF SHAREHOLDERS （265 KB）

Notice of General Meeting of Shareholders 2024.05.31

NOTICE OF THE 105TH ANNUAL GENERAL MEETING OF SHAREHOLDERS （229 KB）

Notice of General Meeting of Shareholders 2023.05.31

NOTICE OF THE 104TH ANNUAL GENERAL MEETING OF SHAREHOLDERS （237 KB）

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Annual Report 2026.06.25

Annual Securities Report for the 107th Fiscal Year (April 1, 2025 to March 31, 2026) （2 MB）

Annual Report 2025.06.25

Annual Securities Report for the 106th Fiscal Year (April 1, 2024 to March 31, 2025) （2 MB）

Annual Report 2024.06.27

Annual Securities Report for the 105th Fiscal Year (April 1, 2023 to March 31, 2024）（2 MB）

Annual Report 2023.06.28

Annual Securities Report for the 104th Fiscal Year (April 1, 2022 to March 31, 2023) （2 MB）

Financial Information 2026.05.26

FY2025 Financial Results Briefing （941 KB）

Financial Information 2025.11.17

FY2025 2Q Financial Results Briefing （1 MB）

Financial Information 2025.05.26

FY2024 Financial Results Briefing （1 MB）

Financial Information 2024.11.19

FY2024 2Q Financial Results Briefing （1 MB）

Financial Information 2024.05.24

FY2023 Financial Results Briefing （2 MB）

Financial Information 2023.11.22

FY2023 2Q Financial Results Briefing （3 MB）

Mid-Term Management Plan 2026.05.26

Mid-Term Management Plan 2030 Presentation Materials （2 MB）

Mid-Term Management Plan 2026.05.15

Notice Concerning the Formulation of the Medium-Term Management Plan （211 KB）

Mid-Term Management Plan 2023.05.26

Mid-term Management Plan 2025 Presentation Materials （5 MB）

Articles of Incorporation / CG Report 2026.06.30

Report on Corporate Governance （734 KB）

Articles of Incorporation / CG Report 2022.06.24

Articles of Incorporation （200 KB）

Other 2026.08.07

Notice Concerning Revision of Consolidated Earnings Forecasts for the First Half (Cumulative) and Full Year of the Fiscal Year Ending March 31, 2027 （165 KB）

Other 2026.08.07

Notice Concerning the Introduction of a Shareholder Benefits Program （209 KB）

Other 2026.08.07

Notice Concerning the Decision on Matters Concerning the Acquisition of Shares Under the Stock Compensation Plan （111 KB）

Other 2026.07.01

Announcement Regarding the Launch of Hub Blades Manufactured by AA Diamond Technology Co., Ltd. （199 KB）

Other 2026.05.15

(Correction: Revision of Numerical Data) Regarding Partial Corrections to the “Financial Results for the Fiscal Year Ended March 2026 [Japanese Accounting Standards] (Consolidated)” （102 KB）

Other 2026.05.15

Notice Concerning Discrepancies Between Non-Consolidated Financial Results and Previous Fiscal Year Figures （138 KB）

Fact Sheet 2026.08.28

Business Report （422 KB）

Fact Sheet 2026.06.26

Fact Sheets （206 KB）

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