Mani, Inc. engages in the development, manufacture, and sale of medical instruments specializing in surgical and dental products. It operates through the following segments: Surgical-related Products, Eyeless-related Products, and Dental-related Products. The Surgical-related Products segment produces surgical medical devices, suturing tools, and ophthalmic knives. The Eyeless-related Products segment deals with the manufacture and distribution of suturing needles. The Dental-related Products segment manages the research and development, manufacture, and sale of dental instruments, root canal treatment devices, endodontic rotary cutting apparatus, and endodontic accessories. The company was founded by Masao Matsutani on May 1, 1956 and is headquartered in Utsunomiya, Japan.