Regarding the Judgment (Victory) of Patent Infringement Lawsuit Against Tokyo Seimitsu Co., Ltd.

2024/06/12
  • Hamamatsu Photonics K.K.

On April 24, 2024, the Intellectual Property High Court acknowledged the infringement of our patent rights by products of Tokyo Seimitsu Co., Ltd. ("Tokyo Seimitsu") in the patent infringement lawsuit (Intellectual Property High Court Reiwa 5 (Ne) 10052, etc.) that we filed against Tokyo Seimitsu. The court acknowledged the infringement of our patent rights related to stealth dicing technology (Patent No. 3867108) by Tokyo Seimitsu's products and also acknowledged the infringement of some of their products on our patent rights (Patent No. 4601965). As a result, we are pleased to inform you that judgments (victory and partial victory) have been rendered by the Intellectual Property High Court in all three patent infringement lawsuits that we filed against Tokyo Seimitsu.

 

Our company is committed to the continuous development of cutting-edge technologies and respects the intellectual property protection system. We will take strict measures against any unauthorized use or infringement of our patents, designs, trademarks, and other intellectual properties.