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51

fy-08pd9

Worth a look

Shows low returns (0.4%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 81Growth 52Conversion 63Competition 22Returns 98Price range 0Avg price 0Brand share 0Review moat 78Quality gap 80

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Market size

Great¥1.2M

¥1.2M/yr · 6K searches

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Great434.23

avg incumbent reviews — the moat a new listing must climb

Conversion

Good5.6%

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

Growth

Good+23.5%

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

Competition

Bad74%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Avg price

Bad¥3357.48

avg listing price — sweet spot $15–$100

Price range

Bad¥1620.82–¥5012.39

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

According to Flapen's Amazon Japan niche tracking, fy-08pd9 is a ¥1.2M/yr Amazon Japan market (6K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug. Verdict: Worth a look — 51/100.

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

fy-08pd9 market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
¥1.7M–¥2.5M
units × avg price
Conversion rate
5.6%
Avg BSR
#117
Page quality
0%
Prime
100%
Sponsored
62%
Out of stock
0.0%
Avg brand age
55 months
Avg seller age
155 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

62

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

0%

  • パナソニック(Panasonic)62%
  • 三菱電機(MITSUBISHI ELECTRIC)26%
  • Umillion5%
  • Hon&Guan4%
  • 高須産業(Takasu Sangyo)4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +23.5% search growth over the last 90 days.
225175Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Aug · busiest ÷ quietest = 1.6×

Top fy-08pd9 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%10%¥121K20%¥241K30%¥362K40%¥482K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about fy-08pd9

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

What buyers love

騒音レベル38%

“静かで音を感じません”

組み立て/インストール15%

“簡単取り付け”

コストパフォーマンス9%

“コスパ良くおすすめの逸品”

使用の容易さ6%

“羽もワンタッチで取れるのでメンテナンスしやすいです”

耐久性5%

“問題なく使用出来ています”

総合品質4%

“良い、良い、良い”

コンパクトさ2%

“とてもコンパクト”

匂い2%

“トイレに臭気がほぼ溜まらなくなった”

コネクタ/ポート/プラグ2%

“プラグ付は楽ちんだ。”

効率2%

“動作は正常ですがコンセント直結の為、利便性を考えて後でリモコンスイッチを取付けました。”

What buyers complain about

騒音レベル27%

“うるさいと思う、”

サイズ全体12%

“小さいけど良く換気してます”

清掃の容易さ8%

“交換よりも排出口に溜まった汚れの掃除の方に時間がかかりました。”

組み立て/インストール5%

“壁の穴あけ大変でしたが取り付けました。”

耐久性5%

“直ぐに壊れた”

漏れ防止3%

“精度が全く無いのでエアーが漏れる”

ジャミング/詰まり3%

“ただこの商品は縦に使うとゴミがファンに詰まって1年程で動かなくなります”

総合品質3%

“安い”

使用の容易さ3%

“解除穴にマイナスドライバーを差し込んで、配線をとるのですがらこれはなかなか苦労しました(所要時間5分).”

不良材料/部品3%

“配線の接続部分の説明がなく破損させてしまった”

Top return reasons

サイズ全体58%
コネクタ/ポート/プラグ14%
接続性 - 全体8%
広告と実際の製品の違い7%
耐久性6%
互換性-全体3%
充電3%
不良材料/部品3%
追加アイテム/添付ファイル3%
騒音レベル1%

Common questions

Is fy-08pd9 profitable to sell on Amazon Japan?
The niche generates ¥1.2M/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +23.5%. Flapen's verdict: Worth a look (51/100).
How competitive is the fy-08pd9 niche?
5 brands and 62 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in fy-08pd9?
Top complaints mined from reviews: 騒音レベル, サイズ全体, 清掃の容易さ. The return rate is 0.4%.
When does demand for fy-08pd9 peak?
Demand peaks in Aug; the busiest month runs 1.6× the quietest.
What does it cost to enter the fy-08pd9 niche?
Listings span ¥1620.82–¥5012.39; the average listing price is ¥3357.48 (sweet spot $15–$100). The average incumbent carries 434 reviews — the moat a new listing must climb.