Frequently Asked Questions (FAQ)

April 5, 1956.

The company was founded on April 5, 1956, in Ota-ku, Tokyo, as a manufacturer and seller of filters. In October 2005, it changed its name to Yamashin Filter Corporation.

We manufacture and sell filters and related components for construction machinery, industrial, and process applications. Please refer to “Business & Products” for further details. 

A filter removes impurities from fluids or gases. It consists of a filtering material, an outer casing, a securing band, and an inner tube for pressure resistance. Filters are widely used in various industries.

Filters are evaluated based on lifespan, filtration accuracy, and pressure loss. A high-quality filter balances these three factors effectively.

We are committed to reducing environmental impact through technology and product development, as well as ongoing efforts in pollution prevention and environmental conservation. Please refer to “Sustainability Initiatives” and “Environmental Measures” for further details.

The fiscal year-end is March 31.

Please refer to our “IR Calendar.”

Recent financial reports are available in the “IR Library.”

Yamashin Filter’s corporate philosophy is “Rokaji ni Tsukafuru,”  which translates as “Contributing to society through our filtration business.” For more details, please refer to “Philosophy.”

Our management strategy is explained in the financial results briefing materials. These materials are published after each briefing session. Past materials are available in the “IR Library.”