![Takeshi Masumoto](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>)
Takeshi Masumoto
No open positions remaining
Net worth: 48 M $ as of 2026-07-30
Profile
Takeshi Masumoto has a career history that includes founding Japan Lifeline Co., Ltd. in 1981.
Mr. Masumoto was the founder of Japan Lifeline Co., Ltd. and held the title of Chairman from 2005 to 2017.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-09-29 | 4,860,000 ( 6.82% ) | 48 M $ | 2026-07-30 |
Former positions of Takeshi Masumoto
| Companies | Position | End |
|---|---|---|
| JAPAN LIFELINE CO., LTD. | Founder | 2017-06-27 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
20
1st degree connections
1
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 1 |
|---|---|
Japan Lifeline Co., Ltd.
 Japan Lifeline Co., Ltd. Medical SpecialtiesHealth Technology Distributes medical equipment | Health Technology |
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