Profile
Ryoko Sugiyama is currently Chairman at Gifu Sugiyama Memorial Foundation since 2016, Director at Gifu Hoso KK since 1999, Representative Director at Gifu Shimbunsha KK since 2018, Director at Sugiyama & Kurihara Environmental Consultants, Inc. since 2007, Independent Outside Director at SATO SHO-JI CORP.
starting 2024, Independent Outside Director at JSP Corp.
starting 2023, and Independent Outside Director at Tokyu Corp.
starting 2025.
Former roles include Independent Non-Executive Outside Director at Kurita Water Industries Ltd. and UACJ Corp., Non-Executive Director at Lecip Holdings Corp.
from 2010 to 2016, and Professor at Fuji Tokoha University & Graduate School.
Ryoko Sugiyama active positions
| Companies | Position | Start |
|---|---|---|
| SATO SHOJI CORPORATION | Director/Board Member | 31/05/2024 |
| JSP CORPORATION | Director/Board Member | 31/05/2023 |
| TOKYU CORPORATION | Director/Board Member | 31/05/2025 |
Gifu Hoso KK | Director/Board Member | 30/11/1999 |
Sugiyama & Kurihara Environmental Consultants, Inc. | Director/Board Member | 31/07/2007 |
Gifu Shimbunsha KK | Director/Board Member | 30/11/2018 |
Gifu Sugiyama Memorial Foundation
Gifu Sugiyama Memorial Foundation Investment Trusts/Mutual FundsMiscellaneous Functions as a public interest incorporated foundation | Chairman | 31/12/2015 |
Former positions of Ryoko Sugiyama
| Companies | Position | End |
|---|---|---|
| KURITA WATER INDUSTRIES LTD. | Director/Board Member | - |
Fuji Tokoha University & Graduate School
Fuji Tokoha University & Graduate School Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
| ░░░░ ░░░░░░░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
| ░░░░░ ░░░░░░░░ ░░░░░░░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 11 |
|---|---|
Tokyu Corp.
Tokyu Corp. Department StoresRetail Trade Functions as a holding company whose subsidiaries operates department stores, develops, sells residential land, buildings and provides bus, railway tramway transportation, hotel & resort accommodation services | Retail Trade |
Kurita Water Industries Ltd.
Kurita Water Industries Ltd. Miscellaneous ManufacturingProducer Manufacturing Provides water treatment services and manufactures, develops and markets water treatment chemicals, machinery and equipment | Producer Manufacturing |
JSP Corp.
JSP Corp. Chemicals: SpecialtyProcess Industries Manufactures and markets polystyrene and polyolefin resin products | Process Industries |
SATO SHO-JI CORP.
SATO SHO-JI CORP. Wholesale DistributorsDistribution Services Sells, import and export of metal products | Distribution Services |
Lecip Holdings Corp.
Lecip Holdings Corp. Electronic Equipment/InstrumentsElectronic Technology Operates as a holding company whose subsidiaries manufactures and sells electric screening equipment and digital displays for transport industry | Electronic Technology |
Gifu Hoso KK | |
Gifu Shimbunsha KK | |
Sugiyama & Kurihara Environmental Consultants, Inc. | |
Fuji Tokoha University & Graduate School
Fuji Tokoha University & Graduate School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
UACJ Corp.
UACJ Corp. AluminumNon-Energy Minerals Manufactures and markets aluminum sheets and extruded products | Non-Energy Minerals |
Gifu Sugiyama Memorial Foundation
Gifu Sugiyama Memorial Foundation Investment Trusts/Mutual FundsMiscellaneous Functions as a public interest incorporated foundation | Miscellaneous |
- Stock Market
- Insiders
- Ryoko Sugiyama
















