Japan · Procurement Portal award records · Supplier record

Rika Ken Co., Ltd.

理科研株式会社

Line: Office machines and their supplies and accessories (UNSPSC 44100000)Register loaded to September 2026Compiled 12 October 2026

Rika Ken Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 12 award notices, all years (Sep 2022 – Sep 2025); 6 since January 2024 (3 buyers); 383rd rank in the line (of 709 suppliers · 0.1%); 31 buyers never served (2,515 notices in the line from them).

Assay record ASY-JP-1WSQ80E1H0 · Cite as: Assay Systems, “Rika Ken Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/rika-ken-co-ltd/

12
award notices, all years
Sep 2022 – Sep 2025
6
since January 2024
3 buyers
383rd
rank in the line
of 709 suppliers · 0.1%
31
buyers never served
2,515 notices in the line from them

Own record by year

award notices, 2014 onward
2
4
4
2
2014201520162017201820192020202120222023202420252026

Who buys from Rika Ken Co., Ltd.

since January 2024
3buyers
6notices
50%top buyer
National Police Agency50.0%
3 notices
Ministry of Agriculture, Forestry and Fisheries33.3%
2 notices
Public Prosecutors Office16.7%
1 notice

1 buyer named Rika Ken Co., Ltd. before 2024 only.

The line

since January 2024
3,954award notices
35buyers
709suppliers
21.4%held by top ten

Office machines and their supplies and accessories (UNSPSC 44100000)

1,465
1,410
1,079
202420252026Jan–Sep
383rdof 709 suppliers
2notices name Rika Ken Co., Ltd.
0.1%share of the line
0.4%of 256 notices from Ministry of Agriculture, Forestry and Fisheries
1.4%of 73 notices from National Police Agency
50new suppliers since 2024

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

since April 2014
31buyers
2,515notices since 2024
27buyers took a new supplier
151suppliers came in that way
Ministry of Justice
575 notices
Forestry Agency
513 notices
Ministry of Land, Infrastructure, Transport and Tourism
438 notices
National Tax Agency
299 notices
Ministry of Defense
122 notices
Ministry of Finance
107 notices
Ministry of Economy, Trade and Industry
94 notices
Japan Coast Guard
88 notices
Cabinet Office
39 notices
Ministry of the Environment
34 notices
Supreme Court of Japan
34 notices
Japan Meteorological Agency
25 notices
Ministry of Internal Affairs and Communications
21 notices
Ministry of Education, Culture, Sports, Science and Technology
16 notices
Ministry of Foreign Affairs
15 notices
Board of Audit of Japan
13 notices
Japan Patent Office
13 notices
Digital Agency
10 notices
Nuclear Regulation Authority
9 notices
House of Representatives
8 notices
Public Security Intelligence Agency
7 notices
Children and Families Agency
6 notices
Fire and Disaster Management Agency
6 notices
Cabinet Secretariat
5 notices
Casino Regulatory Commission
4 notices
Fisheries Agency
4 notices
Japan Fair Trade Commission
3 notices
House of Councillors
2 notices
Imperial Household Agency
2 notices
National Personnel Authority
2 notices
Japan Transport Safety Board
1 notice

Suppliers next to it in the line

since January 2024
Abe Bungu Co., Ltd.1 buyer
2 notices
Aiba Insatsu Co., Ltd.1 buyer
2 notices
Amano Shoten Ltd.1 buyer
2 notices
Rika Ken Co., Ltd.
2 notices

All 709 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.