ROHM was incorporated as Toyo Electronics Industry Corporation by Kenichiro Sato on September 17, 1958. When ROHM was established, resistors were its main product. Later, ROHM began manufacturing semiconductors. ICs and discrete semiconductors now account for about 80% of ROHM's revenue. By 1964, ROHM already reached a defect rate for resistors of 1 in 1,000,000, compared to 1 in 100,000 with other manufacturers. ROHM strongly encourages its customers to purchase all ROHM semiconductor products through ROHM’s authorized sources: either directly from ROHM or through a ROHM-authorized distributor...