Marubeni Lumber Co., Ltd.
(https://marubenilumber.co.jp) 📸 Data Snapshot: May 30, 2026Inspect the JSON-LD. Is there an Organization or Person schema, and does it carry sameAs links to real external profiles (LinkedIn, socials)? Missing schema or no identity declaration signals an anonymous entity.
Authority is well-established through a 70-year history and active participation in government-led networking events (METI Kinki). A minor gap exists in the technical implementation of structured data; while JSON-LD is present, it uses basic CollectionPage and WebSite types rather than granular Organization or Person schema to link the ‘President’ mentioned in news to a verifiable digital footprint.
The disconnect is minimal. The bold claim of ‘Carbon Positive’—traditionally a high-BS marketing term—is grounded in a described methodology of forest management and product manufacturing that avoids incineration. The news section provides a timeline of actual donations to the ‘Present Tree’ project, providing a paper trail for their environmental claims.
Identity & Authority is read from the structured data first: whether the site declares who it is in machine-readable schema, with verifiable identity links. Below is the schema captured per page, then the external proof links that support (or fail to support) that identity.
🔗 Identity & Technical Layer — schema JSON-LD: identity chains, entity gaps
Homepage schema
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "CollectionPage",
"@id": "https://www.marubenilumber.co.jp/",
"url": "https://www.marubenilumber.co.jp/",
"name": "丸紅木材株式会社 -",
"isPartOf": {
"@id": "https://www.marubenilumber.co.jp/#website"
},
"breadcrumb": {
"@id": "https://www.marubenilumber.co.jp/#breadcrumb"
},
"inLanguage": "ja"
},
{
"@type": "BreadcrumbList",
"@id": "https://www.marubenilumber.co.jp/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "ホーム"
}
]
},
{
"@type": "WebSite",
"@id": "https://www.marubenilumber.co.jp/#website",
"url": "https://www.marubenilumber.co.jp/",
"name": "丸紅木材株式会社",
"description": "",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://www.marubenilumber.co.jp/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "ja"
}
]
}
/sustainability/
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "WebPage",
"@id": "https://www.marubenilumber.co.jp/sustainability/",
"url": "https://www.marubenilumber.co.jp/sustainability/",
"name": "サスティナビリティ - 丸紅木材株式会社",
"isPartOf": {
"@id": "https://www.marubenilumber.co.jp/#website"
},
"datePublished": "2023-11-05T13:05:45+00:00",
"dateModified": "2023-12-08T12:48:45+00:00",
"breadcrumb": {
"@id": "https://www.marubenilumber.co.jp/sustainability/#breadcrumb"
},
"inLanguage": "ja",
"potentialAction": [
{
"@type": "ReadAction",
"target": [
"https://www.marubenilumber.co.jp/sustainability/"
]
}
]
},
{
"@type": "BreadcrumbList",
"@id": "https://www.marubenilumber.co.jp/sustainability/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "ホーム",
"item": "https://www.marubenilumber.co.jp/"
},
{
"@type": "ListItem",
"position": 2,
"name": "サスティナビリティ"
}
]
},
{
"@type": "WebSite",
"@id": "https://www.marubenilumber.co.jp/#website",
"url": "https://www.marubenilumber.co.jp/",
"name": "丸紅木材株式会社",
"description": "",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://www.marubenilumber.co.jp/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "ja"
}
]
}
/contact/
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "WebPage",
"@id": "https://www.marubenilumber.co.jp/contact/",
"url": "https://www.marubenilumber.co.jp/contact/",
"name": "お問い合わせ・資料請求 - 丸紅木材株式会社",
"isPartOf": {
"@id": "https://www.marubenilumber.co.jp/#website"
},
"datePublished": "2023-10-23T08:51:52+00:00",
"dateModified": "2023-11-15T03:54:54+00:00",
"breadcrumb": {
"@id": "https://www.marubenilumber.co.jp/contact/#breadcrumb"
},
"inLanguage": "ja",
"potentialAction": [
{
"@type": "ReadAction",
"target": [
"https://www.marubenilumber.co.jp/contact/"
]
}
]
},
{
"@type": "BreadcrumbList",
"@id": "https://www.marubenilumber.co.jp/contact/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "ホーム",
"item": "https://www.marubenilumber.co.jp/"
},
{
"@type": "ListItem",
"position": 2,
"name": "お問い合わせ・資料請求"
}
]
},
{
"@type": "WebSite",
"@id": "https://www.marubenilumber.co.jp/#website",
"url": "https://www.marubenilumber.co.jp/",
"name": "丸紅木材株式会社",
"description": "",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://www.marubenilumber.co.jp/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "ja"
}
]
}
/news/
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "CollectionPage",
"@id": "https://www.marubenilumber.co.jp/news/",
"url": "https://www.marubenilumber.co.jp/news/",
"name": "お知らせ アーカイブ - 丸紅木材株式会社",
"isPartOf": {
"@id": "https://www.marubenilumber.co.jp/#website"
},
"primaryImageOfPage": {
"@id": "https://www.marubenilumber.co.jp/news/#primaryimage"
},
"image": {
"@id": "https://www.marubenilumber.co.jp/news/#primaryimage"
},
"thumbnailUrl": "https://www.marubenilumber.co.jp/wp/wp-content/uploads/2026/05/present-tree20260520.jpg",
"breadcrumb": {
"@id": "https://www.marubenilumber.co.jp/news/#breadcrumb"
},
"inLanguage": "ja"
},
{
"@type": "ImageObject",
"inLanguage": "ja",
"@id": "https://www.marubenilumber.co.jp/news/#primaryimage",
"url": "https://www.marubenilumber.co.jp/wp/wp-content/uploads/2026/05/present-tree20260520.jpg",
"contentUrl": "https://www.marubenilumber.co.jp/wp/wp-content/uploads/2026/05/present-tree20260520.jpg",
"width": 500,
"height": 425
},
{
"@type": "BreadcrumbList",
"@id": "https://www.marubenilumber.co.jp/news/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "ホーム",
"item": "https://www.marubenilumber.co.jp/"
},
{
"@type": "ListItem",
"position": 2,
"name": "お知らせ"
}
]
},
{
"@type": "WebSite",
"@id": "https://www.marubenilumber.co.jp/#website",
"url": "https://www.marubenilumber.co.jp/",
"name": "丸紅木材株式会社",
"description": "",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://www.marubenilumber.co.jp/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "ja"
}
]
}
🛡️ Trust Signals — external proof links that back the declared identity
| Page | Reviews | Proof links |
|---|---|---|
| / (home) | 2 | 1 |
| /sustainability/ | 2 | 1 |
| /contact/ | 2 | 1 |
| /news/ | 0 | 1 |
This page presents a snapshot of public data from Marubeni Lumber Co., Ltd., captured on May 30, 2026, to show how machine logic reads Identity & Authority signals into an AI reputation evaluation.
Purpose: This data is presented under “Fair Use” for the purpose of independent signal analysis, allowing readers to see the raw signals behind the reputation score.
Notice to Marubeni Lumber Co., Ltd.: This analysis is part of a non-adversarial audit conducted by 1 Euro SEO. The results are intended as professional feedback to help improve any website’s machine-readability and authority signals. The evaluation is free, and any company can request a fresh audit at any time.
Any company can use the insights for free and improve its voice. When a company has updated its content, it can always submit a new audit request, which will be reflected in a new current score.
To all users: You are encouraged to visit the live site at https://marubenilumber.co.jp to view the most current version of its content and see directly what this company is about and what it offers.