| 1990 | - | “PIOLAX, Inc.” established a “Special Development Division” | 
            
              | 1995 | October | “PIOLAX, Inc.” established a “Medical Appliance Division” | 
            
              | 1996 | January | Marketing approval for “Piolax Hydrophilic Guidewire” (angiographic guidewire) | 
            
              | 1996 | May | Launching of OEM Marketing of “Piolax Hydrophilic Guidewire” (angiographic guidewire) | 
            
              | 1996 | September | “Production and OEM” vending of guidewires used for cardiac therapy | 
            
              | 1996 | September | “Technical Center” established at Kariba-cho, Hodogaya-ku, Yokohama, Kanagawa | 
            
              | 1997 | May | Obtained certifications for ISO9001, ISO13485 | 
            
              | 1997 | November | Hydrophilic Guidewire CE marked | 
            
              | 1999 | March | Marketing approval for “Piolax W-Spiral Catheter” | 
            
              | 1999 | April | “Medical Appliance Division” separated and “Piolax Medical Devices” was established | 
            
              | 2009 | April | Obtained all of SOLUTION's stocks | 
            
              | 2010 | March | “RevoWave”, a non-vascular guidewire CE marked | 
            
              | 2010 | April | Absorption type merger of SOLUTION | 
            
              | 2010 | July | Manufacture and sales approval for &ldq;Flexella-J” (esophageal stent) | 
            
              | 2015 | February | Completed “Yokohama Plant”, a new factory for medical device manufacturing in Kamiyabe-cho, Totsuka-ku, Yokohama-shi, Kanagawa | 
            
              | 2018 | September | Development department moved to “Yokohama Plant” |