--- title: droproof_column | Takanori 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 --- [Skip to content](https://en.droproof.com/ko-kr/column/author/takanori#main-content) - [한국어 - 대한민국](https://en.droproof.com/ko-kr/column/author/takanori) - [Deutsch](https://en.droproof.com/de/column/author/takanori) - [English](https://en.droproof.com/column/author/takanori) - [中文 - 繁體](https://en.droproof.com/zh-tw/column/author/takanori) - [简体中文](https://en.droproof.com/zh-cn/column/author/takanori) 한국어 - 대한민국 Show submenu for translations [![ロゴデータBB](https://en.droproof.com/hs-fs/hubfs/%E3%83%AD%E3%82%B4%E3%83%87%E3%83%BC%E3%82%BFBB.png?width=283&height=114&name=%E3%83%AD%E3%82%B4%E3%83%87%E3%83%BC%E3%82%BFBB.png)](https://en.droproof.com/?hsLang=ko-kr) - [HOME](https://en.droproof.com) Show submenu for HOME - [What do we want?](https://en.droproof.com/de/what-do-we-want-to-solve) - [Why can we do it?](https://en.droproof.com/why-can-we-do-it) - [How well does it?](https://en.droproof.com/how-well-does-it-perform-dwr) - [Contact us](https://en.droproof.com/contact-us) - [Cross talk](https://en.droproof.com/cross_talk) - [Column](https://en.droproof.com/column) - [Privacy policy](https://en.droproof.com/privacypollicy) Open main navigation Close main navigation - [HOME](https://en.droproof.com) Show submenu for HOME - [What do we want?](https://en.droproof.com/de/what-do-we-want-to-solve) - [Why can we do it?](https://en.droproof.com/why-can-we-do-it) - [How well does it?](https://en.droproof.com/how-well-does-it-perform-dwr) - [Contact us](https://en.droproof.com/contact-us) - [Cross talk](https://en.droproof.com/cross_talk) - [Column](https://en.droproof.com/column) - [Privacy policy](https://en.droproof.com/privacypollicy) - - [한국어 - 대한민국](https://en.droproof.com/ko-kr/column/author/takanori) - [Deutsch](https://en.droproof.com/de/column/author/takanori) - [English](https://en.droproof.com/column/author/takanori) - [中文 - 繁體](https://en.droproof.com/zh-tw/column/author/takanori) - [简体中文](https://en.droproof.com/zh-cn/column/author/takanori) 한국어 - 대한민국 Show submenu for translations - [문의](https://en.droproof.com/contact-us) [문의](https://en.droproof.com/contact-us?hsLang=ko-kr) # 드롭루프의 모든 열 목록 당사는 DWR 활성화 및 기타 실외 지속 가능한 솔루션 서비스를 제공합니다. 이 칼럼에서는 실외 장비 유지 관리에 대한 정보를 제공합니다. 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