Data updated: July 2026
Wonderwall 片山正通 ✓
@masamichi_katayama · Instagram · JP · interior-design
About Wonderwall 片山正通
@masamichi_katayama's followers & following
@masamichi_katayama currently has 78,470 followers on Instagram and follows 1,075 accounts, a follower-to-following ratio of 73. That places the account in the micro tier of interior-design creators.
@masamichi_katayama's content
@masamichi_katayama has published 9,195 posts to date, working across static-posts, carousels, reels, stories. The account's content is classified under interior-design, home-decor, design, art, photography. Bio: “インテリアデザイナー Wonderwall®︎代表 @wonderwall_tokyo 武蔵野美術大学名誉教授 Interior Designer Principal, Wonderwall®︎ Professor Emeritus 📷Kazumi Kurigami”
AI quality check on @masamichi_katayama
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@masamichi_katayama's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@masamichi_katayama's audience
Audience snapshot
50% male · 50% female
Core age group25-34
Collaboration pricing
Price tierPremium
Get the AI fair-price estimate → free trialWhich brands fit Wonderwall 片山正通?
Frequently asked questions
How many Instagram followers does @masamichi_katayama have?
As of July 2026, @masamichi_katayama has 78,470 followers (78K) on Instagram, follows 1,075 accounts, and has published 9,195 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @masamichi_katayama?
Verified contact details for @masamichi_katayama — including business email where available — are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @masamichi_katayama's contact info — free trial →
How much does @masamichi_katayama charge for a sponsored post?
@masamichi_katayama sits in the premium price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate →
What is @masamichi_katayama's net worth?
@masamichi_katayama's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 78K followers and a premium price tier in interior-design, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @masamichi_katayama have fake followers?
Zaver's AI authenticity check scores @masamichi_katayama 98/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →
Who follows @masamichi_katayama?
@masamichi_katayama's 78K followers skew 50% male / 50% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @masamichi_katayama's report on Zaver.
Which influencers are similar to @masamichi_katayama?
Zaver lists comparable interior-design creators in Japan in the "Influencers like @masamichi_katayama" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 9,419 vetted interior-design creators with plain-English queries.
