![Yumiko Matsuo](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Yumiko Matsuo
Director/Board Member at
TRANSACTION CO.,LTD.
Profile
Yumiko Matsuo is an Independent Outside Director at Transaction Co., Ltd. since 2020, an Outside Director at Triumfield Holdings Co., Ltd. since 2018, an Independent Outside Director at Sigma Koki Co., Ltd. since 2022, and an Independent Outside Director at Chiyoda Corp.
since 2024.
Former roles include Outside Director at SB-Kawasumi Laboratories, Inc. and Independent Director at SDS Biotech KK from 2016 to 2021.
Yumiko Matsuo active positions
| Companies | Position | Start |
|---|---|---|
| TRANSACTION CO.,LTD. | Director/Board Member | 2020-11-26 |
| SIGMAKOKI CO., LTD. | Director/Board Member | 2022-07-31 |
| CHIYODA CORPORATION | Director/Board Member | 2024-06-30 |
Triumfield Holdings Co., Ltd. | Director/Board Member | 2018-11-30 |
Former positions of Yumiko Matsuo
| Companies | Position | End |
|---|---|---|
| SDS BIOTECH K.K. | Director/Board Member | 2021-08-01 |
| KAWASUMI LABORATORIES, INCORPORATED | Director/Board Member | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
44
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Chiyoda Corp.
 Chiyoda Corp. Engineering & ConstructionIndustrial Services Provides civil engineering services | Industrial Services |
SB-Kawasumi Laboratories, Inc.
 SB-Kawasumi Laboratories, Inc. Medical SpecialtiesHealth Technology Manufactures medical devices and pharmaceuticals | Health Technology |
Sigma Koki Co., Ltd.
 Sigma Koki Co., Ltd. Electronic ComponentsElectronic Technology Manufactures and markets basic optical equipment and components | Electronic Technology |
SDS Biotech KK
 SDS Biotech KK Chemicals: AgriculturalProcess Industries Manufactures, imports and wholesales pesticides, functional feeds, industrial antifungal, anti-epidemic & special chemicals | Process Industries |
Transaction Co., Ltd.
 Transaction Co., Ltd. TextilesProcess Industries Engages in the manufacture and sale of household items, ecological goods and healthcare products | Process Industries |
Triumfield Holdings Co., Ltd. |
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