Few biographical details are available, but Ogasawara has worked as a background artist for anime production, and specialises in animal portraits.
Recent works by this artist all bear the unexplained copyright declaration "Row. V. Ogasawara." Perhaps "Row" is a nickname, but the initial is a mystery, and on earlier puzzles "Row. E. Ogasawara" has also been seen.
For reference: you can view all of her puzzles that are out of print in the Attic.