Is hhp-am01 profitable to sell on Amazon Japan?

The niche generates ¥2.4M/yr across 8 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -3.6%. Flapen's verdict: Worth a look (50/100).

How competitive is the hhp-am01 niche?

7 brands and 8 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 89% of demand.

What do buyers complain about in hhp-am01?

Top complaints mined from reviews: 充電, サイズ全体, 耐久性. The return rate is 0.7%.

When does demand for hhp-am01 peak?

Demand peaks in Nov; the busiest month runs 1.6× the quietest.

What does it cost to enter the hhp-am01 niche?

Listings span ¥910.98–¥1657.96; the average listing price is ¥1140.59 (sweet spot $15–$100). The average incumbent carries 596 reviews — the moat a new listing must climb.

hhp-am01

Worth a look

Shows low returns (0.7%), but pricing outside the sweet spot ($1140.59 avg) keeps it on the watch list.

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Market size

Incredible¥2.4M

¥2.4M/yr · 35K searches

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good596.25

avg incumbent reviews — the moat a new listing must climb

Conversion

Good6.1%

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

Brand share

Okay89%

top-5 brand share — brands hold most of the demand

Growth

Bad-3.6%

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

Competition

Bad83%

top-5 click share — a locked-up shelf

Avg price

Bad¥1140.59

avg listing price — sweet spot $15–$100

Price range

Bad¥910.98–¥1657.96

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

Signals High Price

According to Flapen's Amazon Japan niche tracking, hhp-am01 is a ¥2.4M/yr Amazon Japan market (35K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Nov. Verdict: Worth a look — 50/100.

Data updated Jul 31, 2026 · scored weekly · How we score niches

hhp-am01 market data

Units sold / yr: 2K–3K; avg 100–250/product
Revenue / yr: ¥2.3M–¥2.9M; units × avg price
Conversion rate: 6.1%
Avg BSR: #20
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 7.7%
Avg brand age: 39 months
Avg seller age: 202 days

Competition & brand share

The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 rising

Sellers

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

Punasi26%
Tyuusei17%
LnauyJP16%
Tatsusen16%
SoulBay14%
wuernine6%
Open — no brand owns it (1 brand, 5%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.6% search growth over the last 90 days.

Peak months: Nov · busiest ÷ quietest = 1.6×

Open Trend

Top hhp-am01 search terms

hhp-am0113K/yr +9.5%6.2% conv.
オムロン血圧計 acアダプター9K/yr -9.4%4.3% conv.
hhp-am01 オムロン純正6K/yr +1.4%6.1% conv.
専用acアダプター hhp-am014K/yr -19.0%3.4% conv.
オムロン血圧計acアダプター3K/yr -25.7%4.8% conv.

All search terms

Top hhp-am01 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Punasi オムロン血圧計用ACアダプター PSE認証 HHP-AM01 Omron上腕式電子血圧計用 DCアダプタ電源 HCR-7104 HEM-AC-W5J HEM-ADPTW5に対応

Punasi¥917.214.2★3,243 rev

Tyuusei オムロン血圧計用 acアダプター充電器 Omron 上腕式血圧測定器 DC 6V アダプター電源 HCR-7104 HCR-7202 HEM-7130 HHP-AM01の代替品長さ150cm (ACアダプター)

Tyuusei¥914.483.9★89 rev

6V ACアダプター対応オムロン Omron HHP-AM01 HCR-7104 上腕式電子血圧計

LnauyJP¥1657.964.4★39 rev

オムロン血圧計用ACアダプター Omron上腕式電子血圧計用 6V DCアダプタ電源充電器 HEM-7120 HEM-7122 HEM-8731 HCR-7202 HCR-7106 HEM-1000 hem-ac-w5jの付け替え、長さ150 cm

SoulBay¥1160.484.2★1,295 rev

オムロン血圧計用 ACアダプター HHP-AM01 HCR-7106 HCR-7104 HCR-7202 HEM-7120 HEM-7122 HEM-8731 HEM-AC-W5J HEM-ADPTW5適合 Omron上腕式電子血圧計用充電器 6V1A (標準プラグ 4.0*1.7 1.m)

Tatsusen¥1273.863.8★15 rev

Newest

by launch date

オムロン血圧計用ACアダプタ HHP-AM01対応 Omron上腕式電子血圧計用 DCアダプタ 6V電源アダプターケーブル HCR-7104 HEM-AC-W5J HEM-ADPTW5 HHP-AM01 HEM-7122 HEM-8731対応 180cm

wuernine¥910.9820 rev

4mo ago

オムロン上腕式電子血圧計用 ACアダプター DC 6V 電源充電器付け替え・代替品互換モデル: HCR-7104 HEM-7120 HEM-7130 HCR-7202 他 150cm電源ケーブル [並行輸入品]

MianX¥916.8059 rev

1y ago

6V ACアダプター対応オムロン Omron HHP-AM01 HCR-7104 上腕式電子血圧計

LnauyJP¥1657.9639 rev

1y ago

Tyuusei オムロン血圧計用 acアダプター充電器 Omron 上腕式血圧測定器 DC 6V アダプター電源 HCR-7104 HCR-7202 HEM-7130 HHP-AM01の代替品長さ150cm (ACアダプター)

Tyuusei¥914.4889 rev

1y ago

オムロン血圧計用 ACアダプター HHP-AM01 HCR-7104 HCR-7202 HEM-7120 HEM-7122 HEM-8731 HEM-AC-W5J HEM-ADPTW5適合 Omron上腕式電子血圧計用充電器 6V1A （4.0×1.7+5.5*2.5変換プラグ付き 1.6m）

Tatsusen¥1372.9610 rev

2y ago

What buyers say about hhp-am01

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

What buyers love

使用の容易さ23%

“ちゃんと使えました”

コストパフォーマンス14%

“コスパの良い互換ACアダプタ”

互換性-全体11%

“シャープ製電話機にも使えます。”

バッテリーの内蔵9%

“電池切れ心配なく使用できます。”

総合品質6%

“良い製品です”

充電5%

“コードも比較的長く良い感じです。”

機能全体4%

“特に不具合は起きていないです。”

接続性 - 全体3%

“接続はとても簡単で、コンセントにつなぐだけですぐに使い始められました。”

コンパクトさ3%

“本体もコンパクトで”

効率2%

“ちゃんと使えました”

What buyers complain about

充電15%

“結構電池終わるんですよね。”

サイズ全体15%

“ケーブルが短すぎる1.5m”

耐久性9%

“購入から2ヶ月で壊れました”

接続性 - 全体9%

“接触不良”

バッテリーの内蔵7%

“電池が切れてからしばらく稼働してませんでした。”

総合品質6%

“個体差かもしれませんが当たりが悪かったと諦めています”

ディスプレイ全体5%

“血圧計の電源入れる時、1回では血圧計の画面が. 出ず、2〜3回強く電源ボタンを押さないと画面が. 出ないので困ってます。”

厚み4%

“ケーブルの太さは4mmくらいあって太めのため、断線しにくいとは思います。”

柔軟性4%

“電源コードにもう少し柔軟性を持たして欲しいです。”

測定/読み取り精度2%

“上腕での測定でないとダメと言われて・・・。”

Top return reasons

機能全体34%

充電14%

広告と実際の製品の違い14%

互換性-全体10%

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7%

接続性 - 全体7%

サイズ全体7%

不良材料/部品7%

Common questions

Is hhp-am01 profitable to sell on Amazon Japan?: The niche generates ¥2.4M/yr across 8 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -3.6%. Flapen's verdict: Worth a look (50/100).
How competitive is the hhp-am01 niche?: 7 brands and 8 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 89% of demand.
What do buyers complain about in hhp-am01?: Top complaints mined from reviews: 充電, サイズ全体, 耐久性. The return rate is 0.7%.
When does demand for hhp-am01 peak?: Demand peaks in Nov; the busiest month runs 1.6× the quietest.
What does it cost to enter the hhp-am01 niche?: Listings span ¥910.98–¥1657.96; the average listing price is ¥1140.59 (sweet spot $15–$100). The average incumbent carries 596 reviews — the moat a new listing must climb.

hhp-am01

hhp-am01 market data

Competition & brand share

Demand & seasonality

Top hhp-am01 search terms

Top hhp-am01 products on Amazon

Top sellers

Newest

Trending

What buyers say about hhp-am01

What buyers love

What buyers complain about

Top return reasons

Common questions

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