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2024.05.14
RESEARCH

After over 20 Years of R&D, What Does a 'Comfortable Fit' Entail for Charmant's Glasses? – Charmant Co., Ltd.

#Glasses
#Eyewear
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In Sabae City, Fukui Prefecture, Charmant Co., Ltd. began with the manufacturing of rivet pins for glasses. Today, the company not only manufactures eyeglass frames through integrated production processes but also has a sales network in approximately 100 countries, highlighting their high level of technical ability. Among these, a key principle of Charmant is the pursuit of comfort.
Anyone who wears glasses may have experienced them slipping off or causing pain at the earpieces during use. However, Charmant’s glasses are designed to avoid such discomfort. It seems that materials and technologies derived from long-term research to enhance comfort lie hidden in these designs.
We spoke to the individuals in the company’s R&D department to uncover the secrets behind Charmant's comfortable fit.
PROFILE
(From right) Hiroshi Nakamura / Hiroyuki Tada / Shirou Inoue / Taichi Fujii
(From right) Hiroshi Nakamura / Hiroyuki Tada / Shirou Inoue / Taichi Fujii

Hiroshi Nakamura
Manager, Technical Development, R&D Department
In charge of Laser Micro-Joint Development

Hiroyuki Tada
Expert, Technical Development, R&D Department
In charge of Excellence Titanium Development

Shirou Inoue
General Manager, R&D Department

Taichi Fujii
Leader, Product Development, R&D Department
In charge of Head Shape Research Development

What Does a Comfortable Fit Entail?

Can you share the background of how you started researching comfort?
Fujii　In the 1990s, we had the opportunity to discuss the manufacturing policy for glasses, and we decided to collect surveys from users. We received many comments about the uncomfortable fit, such as "It hurts my head," and "My nose and ears hurt." We believed that improving these aspects could lead to more satisfying glasses for our customers, and thus we began researching comfort.
 
We repeatedly reviewed materials and structures and created various shapes, but ultimately, because actual sensation when wearing the glasses is crucial, we needed to base our decisions on solid data.
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