Los Angeles-based NP Energy, a small oil...

Los Angeles-based NP Energy, a small oil and gas production firm, said it filed for protection under Chapter 11 of the U.S. Bankruptcy Code and will attempt to reorganize . . . Los Angeles-based Times Mirror Co. said all of its outstanding 10% notes, due 1985, have been called for redemption Feb. 20 at a redemption price of $1,027.24 per $1,000 principal amount . . . Columbia Savings & Loan Assn. of Beverly Hills said it has completed the sale of $210 million worth of adjustable-rate mortgage loans to an East Coast financial institution . . . New York-based City Investing reported that it has reached a definitive agreement to sell its Servomation Corp. foods unit for $225 million to Allegheny Beverage . . . Japan’s Ministry of International Trade and Industry will submit a bill to the Diet (parliament) providing penalties for semiconductor chip plagiarism, officials said.