Press Relase / News Release Distribution Service [@Press]

Note: This page is a machine translation of the Japanese original and is provided for reference only.
In the event of any discrepancy between this page and the original, the original shall prevail. Click here for the original text.

Co-authored book by the representative of Radon Hot Springs in Yamanashi The book, "Thinking Methods to Achieve Business Prosperity," is now on sale! Pre-order campaign" is underway to commemorate the release of the book!

株式会社湯ーとぴあ

Yutopia Corporation (Location: Kai City, Yamanashi Prefecture), will begin sales of the book "Thinking Methods to Achieve Business Prosperity," co-authored by Yoshiteru Hayakawa, President of Yutopia Corporation, from Monday, June 23 to Monday, June 30, 2025, through the following website.

To commemorate the release of the book, a campaign is underway in which those who pre-order the book will receive a free rental towel set from the "Ryuoh Radon Onsen Yutopia".


商売繁盛を実現する思考法

The Thinking Method to Achieve Business Prosperity


Outline of the book

The book, "Thinking Methods to Achieve Business Prosperity," was written by 10 business owners who are active nationwide on their thinking methods to achieve "business prosperity.

There are many books out there that explain marketing know-how such as SNS advertising, TV commercials, SEO measures, MEO measures, etc. However, these are only one of the methods, and what is more important is the "way of thinking.

Without a solid foundation of "a way of thinking that realizes a prosperous business," it will be difficult to achieve a prosperous business.

Therefore, we asked 10 business owners who are active nationwide to fully disclose their "way of thinking" for realizing "prosperous business.

Their dashing success in various businesses is their "front face," but in fact, behind the scenes, they are drawing up elaborate success strategies.

Nor are they nationally renowned business owners.

Most of them are local small and medium business owners just like us, so you can learn from their life-size success know-how.

We will fully disclose the "way of thinking" of successful business owners who have achieved "business prosperity!


This is a book that also conveys the "essence of the way of thinking that realizes prosperous business" of our CEO, Mr. Hayakawa.



Outline of "Pre-order Campaign

Book title: "Thinking Process to Realize Business Prosperity

Pre-order start date: June 23, 2025 (Monday)

Pre-order end date: June 30, 2025 (Monday)

Price: 1,870 yen (tax included)

Number of pages: 160 (estimate)

Publisher: That's Co.

URL : https://x.gd/g3JXo



Other book outline


日本一の温泉をつくろう/難病が治る奇跡の温泉ができるまで

Let's create the best hot spring in Japan / How to create a miraculous hot spring that cures intractable diseases


Let's build the best hot spring in Japan / How to create a miracle hot spring that cures intractable diseases

Release date: January 10, 2025

Publisher: Fusosha

Price: 1,540 yen (tax included)

URL : https://www.amazon.co.jp/dp/4594099963


Ranked No. 1 on Amazon's bestseller list and No. 1 in nine other categories

The book introduces various events in the life of our CEO, Mr. Hayakawa, and finally found the "best hot spring in Japan! This book tells the story of how we finally found and can proudly say, "This is the best hot spring in Japan!

The content of the book is intended for those who are suffering from illness and are unable to take action, or those who are stuck in the shell of their illness, with the hope that they will "experience radon hot springs, even if only once.


KPI監査

KPI Audit


● KPI Audit

Release date: April 11, 2025

Publisher : Management, Inc.

Price : 3,080 yen (tax included)

URL : https://www.amazon.co.jp/dp/4837805361


Published by Toshihiro Shimada / Kenichi Nagano / Kazuhiro Okuyama / Yoshiteru Hayakawa.

This book presents practical examples of how to clarify KGI (Key Goals) - KSF (Key Success Factors) - KPI (Key Performance Indicators) through SWOT analysis - performance formula - bottleneck analysis, and how to ensure management improvement by incorporating specific actions into numerical values and monitoring KPI. The book provides practical examples and examples of business practices to ensure management improvement through KPI monitoring.

This book is a must-read for accounting firms, consultants, professionals, and financial institutions that monitor corporate management and support the promotion of improvement activities.


The above two books will be sold at a 20% discount only for those who pre-order "How to Think to Achieve Business Prosperity".



Outline of the "Show us your books and get a discount on bathing" campaign

Show the book you pre-ordered at the front desk and receive a free rental towel set (440 yen) for one person per book, from July 1, 2025 (Tue) to December 31, 2025 (Wed). Please take this opportunity to visit our hotel.

You can use it anytime during the period.



Attractions of Ryuoh Radon Hot Springs Yutopia

The hotel has won the "Nifty Onsen Ranking 2024" for four consecutive years, and was ranked No. 1 nationwide in the category of "good hot spring water.

It is a hot spring that was awarded the No. 1 hot spring and super public bathhouse ranking in Japan in the year-end general ranking.


Certified as a "hot spring for beautiful skin" by a major cosmetics company.

Ryuoh Radon Onsen Yutopia" was the first hot spring in Yamanashi Prefecture to be certified as a "melting purifying hot spring" for beautiful skin, and was the first hot spring in Yamanashi Prefecture to be certified as a "melting purifying hot spring" for beautiful skin by a major cosmetics company!


Certified as one of the "100 Best Hot Springs in Yamanashi".

Ryuoh Radon Onsen has been selected as one of the "Yamanashi Rikko-yoko Hyakumeiyu," a list of 120 facilities with hot springs that are full of character.

The hot spring is rich in individuality with various types of spring qualities, and has the most powerful therapeutic effects among the hot springs in Yamanashi, which has a high diversity of hot springs, and is one of the best in the country.

This is a luxurious bath using natural hot spring water that is completely free-flowing.


Radon Onsen, the original hot spring that sucks in water

Radon hot springs are hot springs in which radon gas, maintained at a safe constant concentration, is pumped into the bathtub.

Radon works on cells throughout the body by being taken into the body through bathing or breathing, and promotes "cell activation," "promotion of natural healing power," "enhancement of metabolism," and "improvement of immunity. For this reason, radon hot springs are also known as "hot springs that breathe. Our facility uses a radon generator with a concentration of 87 machetes, which is also used for medical treatment, to provide safe and stable radon hot spring water at all times.


◯Promoting services based on the concept of "organic health care

We propose a high-quality way of spending time that heals the body and mind by combining hot-spring cure, "radon therapy with the highest concentration," "aromatherapy," "dietary therapy using local ingredients," "triple beauty baths with reduced water," and "lactic acid bacteria with a very high immuno-activation rate.

The synergistic effects of the combination of these elements will exceed your expectations.


ラドン温泉

Radon Hot Springs


Outline of Ryuoh Radon Onsen Yutopia

Name: Ryuoh Radon Onsen Yutopia

Location: 1300-1 Tomitake-Shinden, Kai-shi, Yamanashi-ken 400-0113

Access : 8 minutes walk from Ryuoh Station on the Chuo Main Line

Spring quality: Sodium chloride and bicarbonate spring

Drop-in: 10:00-23:00, Adults 880 yen (tax included), Children 12 and under 770 yen (tax included)

        The above prices will be revised on January 1, 2025.

Website: https://u-u.co.jp/

X (former Twitter): https://x.com/radon_onsen

Instagram : https://www.instagram.com/radon_onsen

YouTube : https://www.youtube.com/user/utopia1213


竜王ラドン温泉_湯ーとぴあ全景

Panoramic view of Ryuoh Radon Onsen_Yutopia


Company Profile

U-Topia is a Japanese-style inn that promotes hot-spring cure culture to customers all over the world based on the philosophy of "delivering the joy of good health to many customers through radon hot springs.


Company name: U-TOPIA Co.

Location: 1300-1 Tomitake-Shinden, Kai City, Yamanashi-ken

Representative: Yoshiteru Hayakawa

Establishment : February 23, 1946

Capital : 10 million yen

Home Page: https://u-u.jp/overview

Logo Image