![Tsutomu Seito](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>)
Tsutomu Seito
President at
IMMUNO-BIOLOGICAL LABORATORIES CO., LTD.
Net worth: 7 M $ as of 2026-06-29
Profile
Tsutomu Seito currently works at Skylight Biotech, Inc., as Chairman from 2013, Trans Genic Group, Inc., as Outside Director from 2011, Immuno-Biological Laboratories Co., Ltd., as President & Representative Director from 1982, MCosmetics KK, as Director from 2013, and AI Bio KK, as President & Representative Director.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-09-29 | 1,123,700 ( 12.06% ) | 7 M $ | 2026-06-29 |
Tsutomu Seito active positions
| Companies | Position | Start |
|---|---|---|
| IMMUNO-BIOLOGICAL LABORATORIES CO., LTD. | President | 1982-08-31 |
| TRANSGENIC GROUP INC. | Director/Board Member | 2011-05-31 |
MCosmetics KK
 MCosmetics KK Household/Personal CareConsumer Non-Durables Manufactures and distributes cosmetics | Director/Board Member | 2013-09-30 |
Skylight Biotech, Inc.
 Skylight Biotech, Inc. Packaged SoftwareTechnology Services Provides software products and services to medical professionals | Chairman | 2013-06-30 |
AI Bio KK
 AI Bio KK BiotechnologyHealth Technology Produces antibody and diagnostic drugs | President | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
14
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Trans Genic Inc.
 Trans Genic Inc. BiotechnologyHealth Technology Produces antibodies and provides e-Commerce services | Health Technology |
Immuno-Biological Laboratories Co., Ltd.
 Immuno-Biological Laboratories Co., Ltd. Medical SpecialtiesHealth Technology Engages in the research, development, manufacture and sale of pharmaceutical products and quasi-drugs | Health Technology |
Skylight Biotech, Inc.
Skylight Biotech, Inc. Packaged SoftwareTechnology Services Provides software products and services to medical professionals | Technology Services |
MCosmetics KK
MCosmetics KK Household/Personal CareConsumer Non-Durables Manufactures and distributes cosmetics | Consumer Non-Durables |
AI Bio KK
AI Bio KK BiotechnologyHealth Technology Produces antibody and diagnostic drugs | Health Technology |
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