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KOYU公式チャンネル (handle @晃友会) is the official YouTube channel of Japanese medical corporation Koyu-kai in Sagamihara, Kanagawa, Japan. It posts about 33 Japanese-language videos a year, with median views near 1,460 and 1,440 subscribers. Content covers brain, heart, and sleep health explainers, staff recruitment, and hospital tours. Rate range: $150 to $250 per video. Standout detail: a surgical nurse day-in-the-life video reached about 40,900 views.

Why brands book KOYU公式チャンネル

Japanese medical channel with a 40,900-view hit and steady health explainers

  • Median views of about 1,460 per video across 58 uploads
  • Strong reach on health explainers, with a 64,194-view heart failure video
  • Clean, sponsor-free channel suited to health-adjacent brands
Best forhealth and wellness products for Japanese audiencesemployer branding and recruitment
Watch forAudience is Japanese-speaking and the channel is run by a hospital, so product fit must be medically appropriate.

Brand fit report

Content

Topics, IAB taxonomy
Health60%
Careers25%
Medical Health15%
Formats
expert explainer videos, short clips, staff day-in-the-life features
Tone
informative, reassuring
Language
Japanese
On camera
Yes, talking head
Production
Clean, lightly edited
Typical length
under 60 seconds to 8 to 12 minutes

Audience

Commercial intent10/100
Comments asking for links, prices or where to buy
Sentiment75/100
Positive share of 30 comments
Engagement1.5%
Likes and comments per view on recent videos
Audience asks aboutwhat are the symptoms of this conditionhow is it diagnosed and treatedwhat does a day working at this hospital look like
Age
10%18-24
25%25-34
25%35-44
40%45+
Gender
50%women
50%men
Countries
🇯🇵 Japan95%
LanguagesJapanese 100%

Commercial

0%of the last 50 videos were sponsored
None seenno sponsored videos in the last 50
Brands seen
None yet
Categories promoted
None yet
Affiliate links
No

No sponsorship disclosures found in the last 50 videos

Suitability GARM Brand Safety Floor + Suitability

Profanitylow
Adultlow
Drugslow
Violencelow
Politicslow

Family friendly
Medical content on brain and heart conditions, with surgical footage described in titles such as 'Doctor on-site: heart surgery scene' and no flagged material.

We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.

Platforms

PlatformFollowersMedian viewsUploads, 90d
YouTube1.4k1.5k6

Benchmark score: 56 / 100

Public rule, same for everyone. How it works.

Engagement Median views relative to followers50 / 50
Activity Uploads in the last 90 days6 / 30
Reach Followers on the main platform0 / 20

Recent videos

▶当法人施設へのアクセス/晃友相模原病院/グリーンヒルズ相模原 · 109 views▶【脳神経外科医が解説】体を動かす脳の仕組み！前頭葉・小脳・視床の役割とは？ · 880 views▶しびれ・痛みは、どこが傷つくと起こる？｜脳神経外科医が解説 #感覚障害 #脳梗塞 #相模原 · 1.9k views

Last three uploads, latest 1 days ago.

医療法人社団晃友会は、「良医であり 名医であること」を理念に掲げ、地域に根ざした医療を提供しています。 私たちが目指す「良医」とは、患者様・ご利用者様やご家族の思いに耳を傾け、心に寄り添いながら安心と信頼を築くことのできることを意味します。そして「名医」とは、高い専門性と確かな技術を磨き続けるプロフェッショナルです。 脳神経外科、循環器内科、内科、整形外科をはじめとする専門医療を強みとし、救急医療から外来診療、入院、手術、リハビリテーション、さらには介護サービスまで、一貫した医療・介護体制を整えています。 これからも地域の皆様にとって身近で頼れる存在であり続けるために、一人ひとりに寄り添った質の高い医療と介護を提供してまいります。 お問い合わせ・講演・コラボの依頼はこちら↓ ✉️ koyu.kohobu@gmail.com
KOYU公式チャンネル's own profile description on YouTube

Are you KOYU公式チャンネル? Claim or remove this profile.

About KOYU公式チャンネル

KOYU公式チャンネル is the official YouTube channel of Medical Corporation Koyu-kai, a hospital group based in Sagamihara, Kanagawa, Japan. The channel publishes Japanese-language videos explaining neurosurgery, cardiology, sleep apnea, and dementia, along with hospital tours and staff recruitment films. Its most viewed uploads include a heart failure explainer with about 64,000 views and a surgical nurse feature with about 41,000 views.

The channel posts about 33 videos a year, with a median of roughly 1,460 views per upload. Its audience is likely Japanese adults concerned about heart and brain health, along with prospective healthcare workers; these are estimates, not platform-verified figures. No sponsorships were found. The channel has not disclosed brand work, and rates are estimated at $150 to $250 per video. That is well below typical paid-ad CPM of $10 to $30, so it suits brands seeking a credible, low-cost health context in Japanese.

Written from KOYU公式チャンネル's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. KOYU公式チャンネル can edit or remove this page at any time.

Questions about KOYU公式チャンネル

How much does KOYU公式チャンネル charge for a sponsored video?

Based on a median of about 1,460 views on long-form uploads, the estimated rate is $150 to $250 per video at $20 to $35 CPM. Shorts are priced lower, but a quote should be confirmed directly with the channel.

What does KOYU公式チャンネル post about on YouTube?

The channel posts Japanese-language health explainers on brain, heart, sleep, and dementia topics, often delivered by staff doctors. It also publishes hospital tours, nurse and therapist day-in-the-life videos, and recruitment content for its Sagamihara facilities.

How do I contact KOYU公式チャンネル for a brand deal?

The channel lists an inquiry address for lectures and collaborations in its description. Contact details unlock on Starbooked for $0.80, and boosted creators can be booked through Starbooked.

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