![Susumu Yamada](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>)
Susumu Yamada
Chairman at
Yoshitake Works (Thailand) Ltd.
Net worth: 29 M $ as of 2026-07-30
Profile
Susumu Yamada is currently the Chairman at Kawaki Measuring Instrument Co., Ltd., Yoshitake Works (Thailand) Ltd., and Everlasting Valve Co., Inc. He is also the Representative Director at Koyo Suntech KK.
In the past, he served as the Representative Director at Yoshitake-Armstrong, Ltd. and Armstrong-Yoshitake, Inc. He was also the Chairman at Yoshitake Inc from 2006 to 2016.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
YOSHITAKE INC. 34.96% | 2025-09-29 | 4,659,000 ( 34.96% ) | 29 M $ | 2026-07-30 |
Susumu Yamada active positions
| Companies | Position | Start |
|---|---|---|
Yoshitake-Armstrong, Ltd. | Director/Board Member | 1985-09-30 |
Armstrong-Yoshitake, Inc.
 Armstrong-Yoshitake, Inc. Industrial MachineryProducer Manufacturing Manufactures and distributes high pressure humidification systems | Director/Board Member | 1985-09-30 |
Everlasting Valve Co., Inc.
 Everlasting Valve Co., Inc. Industrial MachineryProducer Manufacturing Manufactures and markets industrial valves | Director/Board Member | 1990-06-30 |
Yoshitake Works (Thailand) Ltd.
 Yoshitake Works (Thailand) Ltd. Industrial MachineryProducer Manufacturing Manufactures and sells industrial valves | Chairman | 1997-01-31 |
Kawaki Measuring Instrument Co., Ltd.
 Kawaki Measuring Instrument Co., Ltd. Industrial MachineryProducer Manufacturing Manufactures and markets measuring equipment | Chairman | 2006-03-31 |
Koyo Suntech KK | Director/Board Member | 2012-07-31 |
Former positions of Susumu Yamada
| Companies | Position | End |
|---|---|---|
| YOSHITAKE INC. | President | 2006-05-31 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
5
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Yoshitake Inc
 Yoshitake Inc Industrial MachineryProducer Manufacturing Manufactures and markets automatic pressure-regulating valves that are use in fluid control | Producer Manufacturing |
Kawaki Measuring Instrument Co., Ltd.
Kawaki Measuring Instrument Co., Ltd. Industrial MachineryProducer Manufacturing Manufactures and markets measuring equipment | Producer Manufacturing |
Everlasting Valve Co., Inc.
Everlasting Valve Co., Inc. Industrial MachineryProducer Manufacturing Manufactures and markets industrial valves | Producer Manufacturing |
Yoshitake-Armstrong, Ltd. | |
Armstrong-Yoshitake, Inc.
Armstrong-Yoshitake, Inc. Industrial MachineryProducer Manufacturing Manufactures and distributes high pressure humidification systems | Producer Manufacturing |
Koyo Suntech KK | |
Yoshitake Works (Thailand) Ltd.
Yoshitake Works (Thailand) Ltd. Industrial MachineryProducer Manufacturing Manufactures and sells industrial valves | Producer Manufacturing |
- Stock Market
- Insiders
- Susumu Yamada
