---
title: droproof_column | Takanori (5)
description: Born in 1980. After graduating from university, he joined Daikin Industries, one of only two fluorine manufacturers in Japan. He was involved in development work as an engineer. In 2010, he started Outdoor Gear Rental Soronoshita as a sole proprietorship and became the first in Japan to start renting outdoor equipment, mainly for mountain climbing, over the Internet. In 2012, he established Soronoshita Co. He is the current president of Soronoshita. Certified Mountaineering Guide Stage II & Nature Guide Stage I by the Japan Mountain Guides Association. Camping Instructor, Japan Camping Association; Camping Instructor, Japan Auto Camping Association; Cleaning person; High-pressure gas production safety officer (5)
---

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# List of all columns in droproof

We offer DWR revitalization and other outdoor sustainable solutions services. This section provides information about outdoor equipment maintenance.

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### [DWR vs Waterproof: Understanding the Difference](https://en.droproof.com/column/dwr-vs-waterproof-understanding-the-difference)

 March 22, 2024

DWR and water resistance are often misunderstood. Discover the key differences between DWR and...

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