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Japan Society for Noise Control Engineering Announces 'Environmental Design Award' — 'Shizukanki' Silencer for 24-Hour Ventilation Inlets Wins Award

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Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published Jun 15, 2026 7:10 PM ・ Updated Jun 16, 2026 1:52 AM ・ 9 min read ・ Source: PR TIMES

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⚡ Key Points

The 'Shizukanki®' silencer for residential and condominium 24-hour ventilation inlets, co-developed by Miya-chu Co., Ltd.
and Taisei Corporation, has won the 2025 'Environmental Design Award' from the Japan Society for Noise Control Engineering.
Its breakthrough patented technology, which significantly reduces noise across previously challenging frequency bands while simultaneously improving ventilation performance, was highly praised.

The 'Shizukanki®' silencer for residential and condominium 24-hour ventilation inlets, co-developed by Miya-chu Co., Ltd. and Taisei Corporation, has won the 2025 'Environmental Design Award' from the Japan Society for Noise Control Engineering. Its breakthrough patented technology, which significantly reduces noise across previously challenging frequency bands while simultaneously improving ventilation performance, was highly praised.

PRIMARY SOURCE Original source: https://prtimes.jp/main/html/rd/p/000000009.000133640.html Distributor: PR TIMES
Published: Jun 15, 2026

The 'Shizukanki® (Shizukanki)' silencer for residential and condominium 24-hour ventilation inlets, jointly developed by Miya-chu Co., Ltd. (Sendai City, Miyagi Prefecture; President Keigo Kikuchi) and Taisei Corporation, has been awarded the 2025 'Environmental Design Award' by the Japan Society for Noise Control Engineering, with the award ceremony held on Friday, June 12, 2026. The award recognizes the product's breakthrough patented technology, which dramatically reduces noise in frequency bands previously difficult to address with conventional technologies, while simultaneously enhancing ventilation performance.

(Environmental Design Award Certificate)

About the Environmental Design Award

The 'Environmental Design Award' by the Japan Society for Noise Control Engineering is presented to corporations, groups, or individuals who have achieved outstanding results in improving acoustic and vibration environments, specifically in:

① Planning and implementation cases aimed at enhancing comfort in urban, residential, and working environments

② Related research and technological development

(Source: Japan Society for Noise Control Engineering official website)

The product has been recognized for its design excellence in noise control at ventilation (air intake) openings. It can be easily installed by users from inside the room and functions effectively within the ventilation duct.

'Shizukanki' has previously won multiple awards, including the Good Design Award, the Environmental and Equipment Design Award, and the Miyagi Excellence Product Award, reflecting its acknowledged novelty and innovation. It has already been widely adopted in newly constructed condominiums, hotels, apartments, and detached houses, with over 500 installations across Japan, from Hokkaido to Okinawa.

The company will continue to develop products closely aligned with everyday living.

Product Information: Shizukanki® T-Silent Sleeve

'Shizukanki' is available for purchase by the general public through the official website below.

[Product Website]

https://miya-chu.co.jp/t-silent-sleeve/

[Product Overview]

Product Name: 'Shizukanki®' T-Silent® Sleeve

Specifications: TSS-100SK (for 100φ pipe)

TSS-150SK (for 150φ pipe)

Now available and popular on the official website!

About Miya-chu Co., Ltd.

Miya-chu Co., Ltd. — Sendai Airport Factory (Inawashiro City)

'ONLY ONE' THAN 'NUMBER ONE'

Miya-chu Co., Ltd. specializes in original packaging for construction materials, gardening supplies, and pet products. Additionally, the company manufactures products that solve various residential noise issues. It actively contributes to the local community by hosting internships and workplace experience programs for local students and conducting outreach lectures at high schools and universities. The company also shares its IT/DX implementation case studies for SMEs through collaborations with local government bodies.

[Company Overview]

Company Name: Miya-chu Co., Ltd.

Head Office: Sendai City, Miyagi Prefecture

President: Keigo Kikuchi

Founded: June 1977

Company Website: https://miya-chu.co.jp/

Note: https://note.com/miya_work_study

Ceiling Vibration Damping Material Website: https://miya-chu.co.jp/t-silent-ceiling/

Shizukanki Website: https://miya-chu.co.jp/t-silent-sleeve/

[Company Awards and Recognitions]

・ Certified by Miyagi SME Challenge Support Fund

・ Excellence Award and Judges' Special Award, 2023 National Cloud Practice Awards (Hokkaido-Tohoku Conference)

・ 26th Shichijyuichi New Business Grant Recipient

・ No-Code Promotion Association Award, 2023 National Cloud Practice Awards (National Conference)

・ 16th Miyagi Excellence Product Certification

・ 2024 Good Design Award Recipient

・ Selected by Good Design Award Jury as 'My Chosen Product'

・ 2024 'Youth Empowerment Certified Company' Certification

・ 2025 Disaster Prevention, Mitigation × Sustainability Award Encouragement Prize

・ 13th Tomikenn Miyagi Grand Prix (DX Division Award)

・ 17th Miyagi Excellence Product Certification

・ Healthy Business Certified Organization 2025 (SME Category)

・ 23rd Environmental and Equipment Design Award Recipient

・ 2025 'Youth Empowerment Certified Company' Certification

・ 2025 Mirai no Tane Award Recipient

・ Healthy Business Certified Organization 2026 (SME Category)

FACT BOX

Source: PR TIMES
Category: 受賞

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Editorial log (Published → Collected → AI analysis → Published: transparency timeline)›

Announced　Jun 15, 2026 7:10 PM — Distributor PR TIMES
Collected　Jun 15, 2026 10:21 AM
AI structured & analyzed　Jun 16, 2026 1:52 AM
Desk-reviewed & published　Jun 15, 2026 7:10 PM

FAQ

What is the 'Shizukanki' product?

A silencer installed in residential 24-hour ventilation air inlets that significantly reduces noise while maintaining or improving airflow performance.

What is the Environmental Design Award?

An award by the Japan Society for Noise Control Engineering for outstanding contributions to improving acoustic and vibration environments in living and urban spaces.

Where can I buy 'Shizukanki'?

Available to the general public via the official website, with two models: TSS-100SK (100φ) and TSS-150SK (150φ).

What are the key features of 'Shizukanki'?

Patented technology reduces wide-frequency noise, easy indoor installation, and maintains or enhances ventilation efficiency.

Where is this product used?

Installed in over 500 locations nationwide, including new condominiums, hotels, apartments, and detached homes.

Cite this article — HOW TO CITE

Washin AI News Desk“Japan Society for Noise Control Engineering Announces 'Environmental Design Award' — 'Shizukanki' Silencer for 24-Hour Ventilation Inlets Wins Award”AI News by Washin Village（和心村）, Jun 15, 2026. https://aeo.idaeo.ai/ai/%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BE%E3%81%BF%E3%82%84%E3%81%A1%E3%82%85%E3%81%86/en/news/2026-06-15-%E5%85%AC%E7%9B%8A%E7%A4%BE%E5%9B%A3%E6%B3%95%E4%BA%BA-%E6%97%A5%E6%9C%AC%E9%A8%92%E9%9F%B3%E5%88%B6%E5%BE%A1%E5%B7%A5%E5%AD%A6%E4%BC%9A-%E7%92%B0%E5%A2%83%E3%83%87%E3%82%B6%E3%82%A4%E3%83%B3%E8%B3%9E-%E3%82%92%E7%99%BA%E8%A1%A8%E3%83%BC%E3%83%BC%E3%83%BC24%E6%99%82%E9%96%93%E6%8F%9B%E6%B0%97%E7%B5%A6%E6%B0%97%E5%8F%A3

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