---
title: "Amazon商標権チェッカー – Chrome extension stats, history and permissions"
description: "178 users, no ratings yet. Version 0.0.1, updated 2022-09-27. Requests 3 permissions."
url: "https://extensiontracker.com/extension/lkngmhbnjmdfminjneehgdomljnbgdll"
---

# Amazon商標権チェッカー

Live in the Chrome Web Store.

- Users: 178
- Rating: no ratings yet
- Last checked: 2026-09-27 05:05 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #52,567 of 264,703 live extensions
- Rank in Workflow & Planning: #11,892 of 44,474

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> trademark check. 商標権チェッカ

- Extension ID: `lkngmhbnjmdfminjneehgdomljnbgdll`
- Developer: [NRS systems](https://extensiontracker.com/developer/u4c5b86d36381ae07b8ac1fb7f89e1a02)
- Trader status: Declared a trader under EU law
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2022-09-27
- Last updated: 2022-09-27
- Version: `0.0.1`
- Size: 76.62 KiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Website: `sedorifever.xyz`
- Support page: `https://line.me/ti/g2/0ssebHzZzWP4xSelP1IIs_e9KGqR4zxczmMy2g`
- Chrome Web Store: <https://chromewebstore.google.com/detail/amazon%E5%95%86%E6%A8%99%E6%A8%A9%E3%83%81%E3%82%A7%E3%83%83%E3%82%AB%E3%83%BC/lkngmhbnjmdfminjneehgdomljnbgdll>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Flkngmhbnjmdfminjneehgdomljnbgdll>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 178 | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `http://sedorifever.xyz/`: sedorifever.xyz

### Sites where it runs scripts

- `https://catalog-retail.amazon.co.jp/*`: catalog-retail.amazon.co.jp
- `https://mnrate.com/*`: mnrate.com
- `https://sellercentral.amazon.co.jp/*`: sellercentral.amazon.co.jp
- `https://www.amazon.co.jp/*`: www.amazon.co.jp

### Browser features

- `notifications`: Show notifications
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [メルカリ超かんたん計算機](https://extensiontracker.com/extension/imenhkkfpljpfbfmaekoefcojlhodbdl) | 75 | – | – | Workflow & Planning |
| [ヤフーショッピング計算機(税抜対応ver)](https://extensiontracker.com/extension/gaeamcnpockopgkdfncllidgbhjjjcni) | 14 | 5.00 | 1 | Workflow & Planning |
| [楽天「税抜」計算機](https://extensiontracker.com/extension/jkdgboilambneepdobchhfmgkjdgdcan) | 13 | – | – | Workflow & Planning |

All 4 extensions by [NRS systems](https://extensiontracker.com/developer/u4c5b86d36381ae07b8ac1fb7f89e1a02).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 05:05 UTC; next check around 2026-10-10.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Amazon商標権チェッカー” (lkngmhbnjmdfminjneehgdomljnbgdll). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/lkngmhbnjmdfminjneehgdomljnbgdll. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_lkngmhbnjmdfminjneehgdomljnbgdll,
  title   = {Amazon商標権チェッカー (lkngmhbnjmdfminjneehgdomljnbgdll)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/lkngmhbnjmdfminjneehgdomljnbgdll},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/lkngmhbnjmdfminjneehgdomljnbgdll>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.