Nitto Denko is a Japanese company originally started in 1918 as Nitto Electric Company to produce electrical insulating materials. Celebrating the company’s 70th birthday in 1988, they officially changed their name to Nitto Denko Corporation. Permacel was founded in 1927 as a division of Johnson & Johnson and became a wholly owned subsidiary of Nitto Denko in 1988. In 2009, Nitto Denko announced that the Permacel brand name will be changed to Nitto Tape, serving the electrical and electronic assembly, consumer electronics, aerospace and other industries. The Permacel P-numbered products retain the same product number under the Nitto Tape brand.