![Hiroyuki Kato](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>)
Net worth: 16 M $ as of 2026-09-29
Hiroyuki Kato is the founder of Internetworking & Broadband Consulting Co., Ltd., founded in 2002, holding the title of Chairman & Chief Executive Officer since 2025.
Mr. Kato was the founder of Ichain, Inc., founded in 2016, and held the titles of President, CEO & Representative Director from 2016 to 2020.
Mr. Kato currently holds the position of Chairman at SundayArts KK since 2019.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-30 | 2,563,900 ( 44.58% ) | 16 M $ | 2026-09-29 |
| Companies | Position | Start |
|---|---|---|
| INTERNETWORKING AND BROADBAND CONSULTING CO.,LTD. | Chief Executive Officer | 2021-11-30 |
Sundayarts KK
 Sundayarts KK Information Technology ServicesTechnology Services Develops blockchain and provides system engineering services and software development | Chairman | 2019-03-31 |
| Companies | Position | End |
|---|---|---|
Ichain, Inc.
 Ichain, Inc. Packaged SoftwareTechnology Services Operates as an insurance application company | Founder | 2020-06-30 |
Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 3 |
|---|---|
Internetworking & Broadband Consulting Co., Ltd.
 Internetworking & Broadband Consulting Co., Ltd. Packaged SoftwareTechnology Services Engages in the development, sale, maintenance and support of computers and network system monitoring tools | Technology Services |
Ichain, Inc.
Ichain, Inc. Packaged SoftwareTechnology Services Operates as an insurance application company | Technology Services |
Sundayarts KK
Sundayarts KK Information Technology ServicesTechnology Services Develops blockchain and provides system engineering services and software development | Technology Services |
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