東京証券取引所市場第二部への上場に伴う当社決算情報等のお知らせ

東京証券取引所市場二部上場承認に関するお知らせ

株主代表訴訟に関するお知らせ

代表取締役の異動に関するお知らせ

平成25年３月期決算短信

On the continuation of countermeasures (takeover defense measures) concerning the large-scale acquisitions of the Company's shares

Announcement of extraordinary profit and revision of earnings forecast

Notice concerning appeal of judgment in lawsuit

Notice concerning the transfer of fixed assets and the occurrence of extraordinary income

About patent infringement litigation with Matsui Manufacturing Co., Ltd.