The most likely explanation is a confusion or misspelling of names from two distinct, well-known Japanese cultural spheres: (a common female given name) and Mikimoto (a famous surname, primarily associated with the luxury pearl company).
For any specific reference, please double-check the source—it may be a rare fan creation, a misspelling (e.g., Nozomi or Mikimoto Nozomi as a custom character name), or a private individual not in public records. nozomi mikomoto