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thy582n

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 100Growth 18Conversion 82Competition 16Returns 98Price range 0Avg price 0Brand share 0Review moat 78Quality gap 32

Market size

Incredible¥22.1M

¥22.1M/yr · 32K searches

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Conversion

Great8.8%

search→purchase rate — share of searches ending in a sale

Review moat

Great438.82

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-13.9%

90-day search growth — must beat 0% to launch

Competition

Bad81%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Avg price

Bad¥7874.91

avg listing price — sweet spot $15–$100

Price range

Bad¥1601.49–¥11934.69

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon Japan niche tracking, thy582n is a ¥22.1M/yr Amazon Japan market (32K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 45/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

thy582n market data

Units sold / yr
2K–3K
avg 250–500/product
Revenue / yr
¥15.7M–¥19.7M
units × avg price
Conversion rate
8.8%
Avg BSR
#266
Page quality
0%
Prime
55%
Sponsored
36%
Out of stock
3.9%
Avg brand age
57 months
Avg seller age
153 days

Competition & brand share

The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

63

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

81%

Top 20: 100%

Open market

0%

  • TOTO51%
  • ノーブランド品24%
  • Generic16%
  • E1110%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.9% search growth over the last 90 days.
900700Spike '24Holiday '24Spike '25Black Friday '25Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.8×

Top thy582n search terms

  • thy582n23K/yr
  • toto 混合水栓 カートリッジ5K/yr
  • thy582n カートリッジ4K/yr
All search terms

Top thy582n products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%¥3.3M30%¥6.6M45%¥9.9M60%¥13.2M1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted

All 11 tracked products in this niche — three views at once, no toggling.

What buyers say about thy582n

What buyers praise and complain about, mined from review topics.

What buyers love

漏れ防止26%

“水漏れ止まりました”

組み立て/インストール16%

“知識と経験があれば半時間程で設置出来ます。”

使用の容易さ13%

“DIY以外と簡単”

耐久性11%

“これでまた、25年使えそうです。”

使用説明書/ユーザーマニュアル/トラブルシューティング8%

“説明書をしっかり読んで慎重に作業したら素人の私でも交換が可能でした。”

メンテナンスと修理8%

“交換手順書がついており素人でも問題なく蛇口の修理をすることができました。”

総合品質5%

“部品があるのがスゴイ”

軽い5%

“動作も極めて軽くなって気持ちいい。”

互換性-全体3%

“広範囲に互換”

サイズ全体3%

“合いました”

What buyers complain about

漏れ防止45%

“水漏れが激しくなってきたので購入”

コストパフォーマンス27%

“少々お値段しますが、問題なく使用出来てます。”

耐久性9%

“定期的に壊れます”

不良材料/部品9%

“内部部品の一部も購入できるのはありがたい”

使用説明書/ユーザーマニュアル/トラブルシューティング5%

“取り替えは説明書見たらかんたんでした。”

Top return reasons

漏れ防止23%
不良材料/部品23%
メンテナンスと修理15%
互換性-全体12%
サイズ全体8%
材料の品質8%
機能全体8%
使用の容易さ4%

Common questions

Is thy582n profitable to sell on Amazon Japan?
The niche generates ¥22.1M/yr across 11 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is -13.9%. Flapen's verdict: Skip it (45/100).
How competitive is the thy582n niche?
4 brands and 63 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in thy582n?
Top complaints mined from reviews: 漏れ防止, コストパフォーマンス, 耐久性. The return rate is 0.4%.
When does demand for thy582n peak?
Demand peaks in Jan; the busiest month runs 1.8× the quietest.
What does it cost to enter the thy582n niche?
Listings span ¥1601.49–¥11934.69; the average listing price is ¥7874.91 (sweet spot $15–$100). The average incumbent carries 439 reviews — the moat a new listing must climb.