About us



Design, Digital & Craftsmanship Jewelry-Thinking about the relationship between people and digital


In Japanese, "MEN" means Surfaces, "To" means And, and "SEN" means Lines.

We have been making original jewelry based in Tokyo.

In the situation of Corona that started in 2021, we decided to think about new manufacturing with new values. And we started to make this collection "MENTOSEN".

Now, I think it is very important to make things by thinking about "Surfaces" and "Lines" that we feel comfortable with.
 In a complicated world, let's think about what outline and shape was important without any decorations or worldly thoughts.

That is because  the "Surfaces" and "lines" create all the "shapes".

Entrusting unspeakable feelings and sensibilities to "Surfaces" and "lines",

We will continue to connect "lines" to make the relationship between "those who wear" and "those who create" into "Surfaces".


Design Born from Technology and Handswork

Welcome to Mentosen Collection, where tradition meets modern innovation.

Crafted by Shinko Studio in Tokyo, Japan, our name, "mentosen," reflects this philosophy.

In Japanese, it signifies the harmonious balance of "surface and lines," the very foundation of our design approach.

Use Digital to Express Subtle Human Senses

The ongoing challenges of the pandemic inspired us to rethink the essence of our craft in a world brimming with complexities.

We believe that simplicity and human connection are more important than ever.

That's why we leverage modern digital technology to capture the subtle details and emotions that elevate design.

Creating by Hands

But technology is just one part of the story. The heart of Mentosen Collection lies in the skilled hands of our artisans.

Their meticulous craftsmanship infuses each piece with a timeless quality and a touch of human soul.

We know your time is valuable.

Mentosen Collection seamlessly integrates into your life, offering comfort and timeless style through its essential shapes and lines.

Creators introduction - meet the creators behind mentosen

Each one has a job as an independent professional, while they are involved in the progect of MENTOSEN of creating.

MENTOSEN CEO, Producer, Designer Akiko Yonei

CEO, Producer, Designer- Akiko Yonei

MENTOSEN デザイン Maho Takada

Product Designer - Maho Takada

MENTOSEN Craftsman  Takeshi Uchida

Craftsman) - Takeshi Uchida

MENTOSEN コンテンポラリージュエリー・アーティスト  デザイン西林 加寿子 Kazuko Nishibayashi

Jewelry Artists - Kazuko Nishibayashi

MENTOSEN jewelry making Ayumi Maruyama

Craftsman - Ayumi Maruyama

MENTOSEN 3D CAD Model Advisor Kenichiro Taniguchi

CAD Model Advisor - Kenichiro Taniguchi

-The path to MENTOSEN-

MENTOSEN is a jewelry collection started in December 2021 by "SHINKO STUDIO" in Tokyo.

We have created original collections and designed custom-made jewelry for nearly 20 years. 

The new collection MENTOSEN was born by creating many designs and listening directly to the voices of clients at the store. 


Activities of the Jewelry Artists of Japan (JAJ)

Jewelry Artists of Japan (JAJ) is a community for jewelry crators and etc. That was started in 2012 by Akiko Yonei,  SHINKO STUDIO CEO. It is a community where people who are involved in jewelry making such as jewelry artists, craftspeople, designers, producers, sellers and other stakeholders come together to support young jewelry artists.

As we encourage new talents, we want to initiate a new experiment to make jewelries more approachable for producers, manufacturers, sellers and eventually, wearers.   JAJ Web Site

MENTOSEN was born as a result of meeting artists and creators who gathered at JAJ and building relationships.

Creators session night

Creators session night is a event which artists, craftspersons, and other crators interact with people who wear jewelry. Contemporary jewelery artists, Engraver, etc. took the stage.  Creators Session Night

We met the artists and creators who gathered in JAJ's activities. Also, we have built a relationship between "those who make" and "those who wear" at the Creators Session Night. And finally, MENTOSEN was born.

Why designers use digital technology?

For a long time, the jewelery work was the work of a skilled craftsman.
Of course, we still also believe that.

However, in recent years, the prices of 3D modeling systems such as CAD and 3D printers have dropped dramatically, and the technology has been released to individuals who do not have large capital.

This made it possible to shift the expression of fine "Surfaces" and "lines" from craftsmen to designers.

And we started using digital.

To use digital freely by designers will make it possible to better reflect the question "what are people thinking now? " in the fild of jewelry.

In order that Jewelry become a thing that asks the meaning of people's lives from the material value, we will continue to use digital in harmony with handicrafts.

"Manufacturing" will change society

We believe that the making things has the power to move people's hearts.

In addition,  it must have the power to change society.

We think it would be wonderful if those who make and those who wear could move the world a little through the ultimate unnecessary thing called "jewelry".