Manufacture of quasi-optical matching unit for ITER gyrotron
Sole-source noticeJapanese title: ITERジャイロトロン用準光学整合器の製作一式
This single tendering procedure contract is for the manufacture of a quasi-optical matching unit for ITER gyrotrons. The contract is planned to be awarded on June 30, 2026, to Toyama Corporation due to absence of competition for technical reasons. The procuring entity is the Naka Institute for Fusion Science and Technology under the National Institutes for Quantum Science and Technology.
Key Details
- Source: Kanpo
- Notice type: Sole-source notice
- Publication date: June 4, 2026
- Procuring entity: Fukuda Mami, Contract Section, Department of Administrative Services, Naka Institute for Fusion Science and Technology, National Institutes for Quantum Science and Technology
- Planned contract date: June 30, 2026
- Intended vendor: Toyama Corporation
- Status: Expired
- Technology relevance: Possible
- Business-action likelihood: Low – The contract is a single tender to a specific company due to technical reasons, limiting open competition and business opportunities.
Business Relevance
May interest companies providing precision optical components and manufacturing services for advanced fusion research equipment.
Participation fit
This procedure is classified as sole-source and is not an open competitive tender. Direct participation is not applicable, but the notice may indicate existing government demand and active relevant vendors in Japan.
Official Source
This opportunity is based on a tender notice published in Kanpo, the official gazette of the Government of Japan.
- Source: Kanpo, Government Procurement Notice Edition
- Official category: 随意契約に関する公示 / Notice of single tendering procedures
- Publication date: June 4, 2026
- Publication: Kanpo, pages 20-21
Full English Translation
The following English translation was prepared from the original Japanese notice published in Kanpo. Where an official English summary appears in the Kanpo publication, it was used only for verification; the translation below is based on the Japanese source text.
Notice of single tendering procedures as follows. Date: June 4, 2026. Procuring entity: National Institutes for Quantum Science and Technology, Naka Institute for Fusion Science and Technology, Director of Administrative Department: Hironobu Yamanou. Procurement agency number: 804. Location number: 08. No. 10. 1 Procurement details:
(1) Product classification number 24
(2) Purchase subject and quantity: Manufacturing of quasi-optical matching unit for ITER gyrotrons, 1 set. 2 Scheduled date of single tender contract: June 30, 2026. 3 Reason for single tendering under the Agreement on Government Procurement: b Absence of competition for technical reasons. 4 Name of the party to be contracted under single tendering: Toyama Corporation. 5 Contact department: Contract Section, Administrative Department, Naka Institute for Fusion Science and Technology, National Institutes for Quantum Science and Technology, 801-1 Mukouyama, Naka City, Ibaraki Prefecture 311-0193. Contact person: Fukuda Mami, phone 029-210-1401. Date of notice: Thursday, June 4, 2026. (Extra Government Procurement No. 10). Official Kanpo source URL: https://www.kanpo.go.jp/20260604/20260604c00101/20260604c00101full00010024f.html
Show original Japanese notice
随意契約に関する公示
次のとおり随意契約について公示します。 令和8年6月4日国立研究開発法人量子科学技術研究開発機構那珂フュージョン科学技術研究所管理部長山農宏之
◎調達機関番号804 ◎所在地番号08
〇第10号
1 調達内容
(1) 品目分類番号24
(2) 購入等件名及び数量 ITERジャイロトロン用準光学整合器の製作一式
2 随意契約の予定日令和8年6月30日
3 随意契約によることとする「政府調達に関する協定」の規定上の理由 b「技術的理由による競争の不存在」
4 随意契約を予定している相手方の名称株式会社トヤマ
5 担当部局 〒311-0193茨城県那珂市向山801番地1国立研究開発法人量子科学技術研究開発機構那珂フュージョン科学技術研究所管理部契約課福田麻美電話029- 210-1401 6
Disclaimer
This page is based on the official Kanpo tender notice, with translation and a preliminary business assessment by I.J. Do. The official Japanese notice and tender documents are binding.
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