Komatsu Corporation

Mitsubishi Chemical Corporation

Astro, Inc.

Canon Kabushiki Kaisha

Naoki Akiyama

Yasuhiro Miyahara

Katsuya Abe

Jun Yamane

Toshitake Kawakami

Miho Hanafusa

Hirotaka Yuno

A data collection device is mounted on a work machine and collects data that is collectable from the work machine. The data collection device includes a collectable list generation unit and a collectable list notification unit. The collectable list generation unit updates a collectable list indicating a type of data that is collectable from the work machine, in a case in which a change has occurred in the type of data that is collectable. The collectable list notification unit transmits the updated collectable list to an external device outside the work machine.

Data collection device of work machine, data providing system for work machine, and data collection method of work machine

An agent for preserving freshness of cut flowers, which contains, as an active ingredient, at least one water-soluble polymer selected from the group consisting of:

Agent and method for preserving freshness of cut flowers

Growing community of inventors

Tokyo, Japan

Naoki Akiyama