HOH Water Technology Corp. said its founder,...

HOH Water Technology Corp. said its founder, Harry M. O’Hare, relinquished his operating duties as vice president of research but that the 70-year-old remains chairman of the Newbury Park concern.

O’Hare started the company in 1979. Since then, HOH Water has been developing a water-purification system for residential and industrial use, but has only recently begun bringing some products to market.