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フジ矢(fujiya)

Worth a look

Shows a $12.1M/yr market, but pricing outside the sweet spot ($4153.45 avg) keeps it on the watch list.

Market size 100Growth 14Conversion 9Competition 84Returns 98Price range 0Avg price 0Brand share 8Review moat 84Quality gap 75

Market size

Incredible¥12.1M

¥12.1M/yr · 416K searches

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Competition

Great31%

top-5 click share — an open shelf

Review moat

Great316.49

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Growth

Bad-23.0%

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

Conversion

Bad0.7%

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

Brand share

Bad97%

top-5 brand share — brand-locked demand

Avg price

Bad¥4153.45

avg listing price — sweet spot $15–$100

Price range

Bad¥1175.38–¥17119.71

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

According to Flapen's Amazon Japan niche tracking, フジ矢(fujiya) is a ¥12.1M/yr Amazon Japan market (416K searches/yr). The top 5 brands hold 97% of demand. Verdict: Worth a look — 53/100.

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

フジ矢(fujiya) market data

Units sold / yr
3K–3K
avg 0–100/product
Revenue / yr
¥10.4M–¥12.5M
units × avg price
Conversion rate
0.7%
Avg BSR
#99
Page quality
0%
Prime
96%
Sponsored
27%
Out of stock
0.7%
Avg brand age
53 months
Avg seller age
162 days

Competition & brand share

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

9 falling

Sellers

107

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

31%

Top 20: 70%

Open market

2%

  • フジ矢(Fujiya)79%
  • JUKMO10%
  • 083 基地 base3%
  • ノーブランド品3%
  • TENOCEE1%
  • Rockyu1%
  • Open — no brand owns it (3 brands, 2%)

Demand

Weekly Amazon search volume, last 49 weeks — -23.0% search growth over the last 90 days.
13K8KSpike '25Black Friday '25Aug '25Oct '25Dec '25Feb '26Apr '26May '26

Top フジ矢(fujiya) search terms

  • フジ矢(fujiya)109K/yr
  • fujiya38K/yr
  • フジ矢48K/yr
  • くろきん 工具46K/yr
  • フジ矢 黒金34K/yr
  • 黒金 フジ矢22K/yr
  • フジヤ 黒金シリーズ18K/yr
  • kurokin12K/yr
  • クロキン16K/yr
  • クロキン 工具14K/yr
All search terms

Top フジ矢(fujiya) 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%3%¥363K6%¥726K9%¥1.1M12%¥1.5M1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about フジ矢(fujiya)

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

What buyers love

使用の容易さ35%

“硬い地面に鍛造ペグを打ち込むには、専用ハンマーが使いやすいと思うけど、普通であれば問題なく打ち込める”

総合品質9%

“良い商品です。”

サイズ全体8%

“使いやすいちょうどいい大きさ(*'▽'*)”

耐久性5%

“壊れない”

強さ4%

“見た目も良く丈夫です”

4%

“色がいいw 初めてでもサッと使えました”

軽い3%

“軽めの作業なら疲れにくく扱いやすいです。”

握り心地3%

“握りやすさや操作性も良く、技能試験の練習にとても役立っています。”

コストパフォーマンス3%

“ホームセンターで同価格帯の物を買うならこれの方が良いです。お勧めです。”

地元製造2%

“私は日本の製品がとても好きで、韓国でものすごく購入しました。”

What buyers complain about

耐久性15%

“使用二月、今のところなし”

使用の容易さ13%

“使いにくい”

コストパフォーマンス10%

“無駄な出費になりました。”

握り心地10%

“普通のハサミは使い続けていると刃の間が開いてきて、電線をしっかり掴めず滑ってしまい、切りにくくなることがあります。”

重い6%

“重い”

サイズ全体4%

“自分のレギュラー品より大きく、置忘れない”

測定/読み取り精度4%

“初期不良なのか精度が悪く、全く綺麗にかしめれる感じなく返品しました。”

縫い目/仕上げ/磨き4%

“縫製が悪すぎる”

ロック機構2%

“粗悪品ロック解除ボタン100パー折れる”

商品の状態2%

“使ってるうちに取れるとは思ったが丸ヤスリで削り取った。”

Top return reasons

サイズ全体40%
不良材料/部品6%
広告と実際の製品の違い5%
5%
商品の状態5%
総合品質4%
認証4%
機能全体4%
メカニズムの問題4%
漏れ防止3%

Common questions

Is フジ矢(fujiya) profitable to sell on Amazon Japan?
The niche generates ¥12.1M/yr across 49 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is -23.0%. Flapen's verdict: Worth a look (53/100).
How competitive is the フジ矢(fujiya) niche?
9 brands and 107 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in フジ矢(fujiya)?
Top complaints mined from reviews: 耐久性, 使用の容易さ, コストパフォーマンス. The return rate is 0.4%.
What does it cost to enter the フジ矢(fujiya) niche?
Listings span ¥1175.38–¥17119.71; the average listing price is ¥4153.45 (sweet spot $15–$100). The average incumbent carries 316 reviews — the moat a new listing must climb.