Japan · Procurement Portal award records · Supplier record

Ryuyosha Co., Ltd.

株式会社隆陽社

Line: Office supplies (UNSPSC 44120000)Register loaded to September 2026Compiled 12 October 2026

Ryuyosha Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 50 award notices, all years (Feb 2015 – Apr 2026); 10 since January 2024 (3 buyers); 47th rank in the line (of 435 suppliers · 0.4%); 25 buyers never served (441 notices in the line from them).

Assay record ASY-JP-1TM5A1Y0P1 · Cite as: Assay Systems, “Ryuyosha Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/ryuyosha-co-ltd/

50
award notices, all years
Feb 2015 – Apr 2026
10
since January 2024
3 buyers
47th
rank in the line
of 435 suppliers · 0.4%
25
buyers never served
441 notices in the line from them

Own record by year

award notices, 2014 onward
3
3
7
6
4
4
4
4
5
4
3
3
2014201520162017201820192020202120222023202420252026

Who buys from Ryuyosha Co., Ltd.

since January 2024
3buyers
10notices
60%top buyer
Ministry of Land, Infrastructure, Transport and Tourism60.0%
6 notices
Ministry of Agriculture, Forestry and Fisheries20.0%
2 notices
Ministry of Health, Labour and Welfare20.0%
2 notices

4 buyers named Ryuyosha Co., Ltd. before 2024 only.

The line

since January 2024
1,481award notices
32buyers
435suppliers
16.9%held by top ten

Office supplies (UNSPSC 44120000)

576
512
393
202420252026Jan–Sep
47thof 435 suppliers
6notices name Ryuyosha Co., Ltd.
0.4%share of the line
2.4%of 246 notices from Ministry of Land, Infrastructure, Transport and Tourism
23new suppliers since 2024

Buyers that buy the line and never named Ryuyosha Co., Ltd.

since April 2014
25buyers
441notices since 2024
19buyers took a new supplier
40suppliers came in that way
National Tax Agency
168 notices
Ministry of Finance
59 notices
Ministry of Economy, Trade and Industry
39 notices
National Police Agency
32 notices
Forestry Agency
24 notices
Japan Coast Guard
22 notices
Supreme Court of Japan
21 notices
Japan Meteorological Agency
12 notices
Cabinet Office
10 notices
Ministry of Education, Culture, Sports, Science and Technology
8 notices
Nuclear Regulation Authority
6 notices
Board of Audit of Japan
5 notices
Ministry of the Environment
5 notices
Children and Families Agency
4 notices
Public Security Intelligence Agency
4 notices
Casino Regulatory Commission
3 notices
Digital Agency
3 notices
House of Representatives
3 notices
Ministry of Foreign Affairs
3 notices
Cabinet Secretariat
2 notices
Japan Fair Trade Commission
2 notices
Japan Patent Office
2 notices
National Personnel Authority
2 notices
Fire and Disaster Management Agency
1 notice
Imperial Household Agency
1 notice

Suppliers next to it in the line

since January 2024
Atena Co., Ltd.1 buyer
6 notices
Bunyu Sha Co., Ltd.3 buyers
6 notices
Chuo OA Service Co., Ltd.2 buyers
6 notices
Ryuyosha Co., Ltd.
6 notices

All 435 suppliers in the line

The extract

Every buyer, every supplier, award date, notice number and value where one is disclosed, behind the figures above.

Request extract

Source: successful bid records (open data) for Japan in the Procurement Portal of the Government of Japan, Digital Agency, p-portal.go.jp, which permits reuse including commercial use under its terms of use; awards from April 2014 to 30 September 2026, accessed 12 October 2026.Assay Systems has changed the data.