Toho System Science Co., Ltd.
Toho System Science Co., Ltd. is a Private limited company (Ltd.) registered in Japan under 5010001005331, and its current status with National Tax Agency — Corporate Number Publication Site is active. The company was incorporated on 5 October 2015 and lists its registered address as Bunkyo Ward, Japan. 2 shareholders are on record for Toho System Science Co., Ltd., and since every one of them is a company rather than an individual, this particular filing does not on its own establish an ultimate beneficial owner (UBO) — identifying one would mean tracing the ownership of each shareholding company in turn. This profile is sourced directly from National Tax Agency — Corporate Number Publication Site and was last updated on 2 October 2026.
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Shareholders
2
Two shareholders are currently on record for Toho System Science Co., Ltd., reflecting the kabunushi meibo (shareholder register) maintained under Articles 121-122 of the Companies Act rather than a public filing.
The largest of these is DFA Japanese Small Company Series, holding 62.8% — a majority holding — followed by DFA Investment Dimensions-DFA International Small Cap Growth Port at 37.2%.
Because every shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| DFA Japanese Small Company Series | 62.8% | National Tax Agency — Corporate Number Publication Site | |
| DFA Investment Dimensions-DFA International Small Cap Growth Port | 37.2% | National Tax Agency — Corporate Number Publication Site |
Officers
5
The President, Ceo & Representative Director of Toho System Science Co., Ltd. currently on record is Tomoyasu Kosaka; five officers are currently on record for Toho System Science Co., Ltd., filed with National Tax Agency — Corporate Number Publication Site.
The register reports 11 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Management authority at Toho System Science Co., Ltd. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.
Group Structure
Toho System Science Co., Ltd. sits 1 level below its ultimate parent, TORANVIA CO.,LTD., registered in Japan. The full chain up to TORANVIA CO.,LTD. is derived by walking shareholder filings across jurisdictions; no link in it is independently corroborated by Toho System Science Co., Ltd.'s own shareholder record.
TORANVIA CO.,LTD.
Japan
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Frequently Asked Questions
Who owns Toho System Science Co., Ltd.?
Two shareholders are currently on record for Toho System Science Co., Ltd., reflecting the kabunushi meibo (shareholder register) maintained under Articles 121-122 of the Companies Act rather than a public filing. The largest of these is DFA Japanese Small Company Series, holding 62.8% — a majority holding — followed by DFA Investment Dimensions-DFA International Small Cap Growth Port at 37.2%. Because every shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
Who is Toho System Science Co., Ltd.'s UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for Toho System Science Co., Ltd. is itself a company rather than a natural person, so no Ultimate Beneficial Owner (UBO) is identified at this level; establishing one would require tracing the ownership of each shareholding company in turn.
How many shareholders does Toho System Science Co., Ltd. have on record?
2 shareholders are shown on record for Toho System Science Co., Ltd..
What is Toho System Science Co., Ltd.'s company registration number?
Toho System Science Co., Ltd.'s registration number is 5010001005331, filed with National Tax Agency — Corporate Number Publication Site in Japan. Its current status on the register is active.
Is Toho System Science Co., Ltd. still an active company?
Toho System Science Co., Ltd.'s status on National Tax Agency — Corporate Number Publication Site is listed as active.
When was Toho System Science Co., Ltd. incorporated?
Toho System Science Co., Ltd. was incorporated on 5 October 2015, according to National Tax Agency — Corporate Number Publication Site.
What is Toho System Science Co., Ltd.'s registered address?
The registered address on file for Toho System Science Co., Ltd. is Bunkyo Ward, Japan.
What legal structure is Toho System Science Co., Ltd. registered as?
Toho System Science Co., Ltd. is registered as a Private limited company (Ltd.) in Japan.
Who are the officers/directors of Toho System Science Co., Ltd.?
The President, Ceo & Representative Director of Toho System Science Co., Ltd. currently on record is Tomoyasu Kosaka; five officers are currently on record for Toho System Science Co., Ltd., filed with National Tax Agency — Corporate Number Publication Site. Management authority at Toho System Science Co., Ltd. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does Toho System Science Co., Ltd. have a parent company or subsidiaries?
Toho System Science Co., Ltd. sits 1 level below its ultimate parent, TORANVIA CO.,LTD., registered in Japan.
Can Zavia monitor changes to Toho System Science Co., Ltd.'s ownership over time?
This profile reflects a point-in-time snapshot from National Tax Agency — Corporate Number Publication Site. Zavia's monitoring API can track changes to Toho System Science Co., Ltd.'s registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access Toho System Science Co., Ltd.'s data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including Japan, so records like Toho System Science Co., Ltd.'s registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from National Tax Agency — Corporate Number Publication Site and was last synced on 2 October 2026.