This excerpt taken from the TM 20-F filed Jun 26, 2006.
Article 3. (Denominations of share certificates)
1. Certificates of shares to be issued by the Corporation shall be in denominations of 1, 5, 10, 50, 100, 500, 1,000, 5,000, 10,000 or 100,000 shares; provided, however, that in addition to those mentioned above, with respect to any number of shares less than 100, a certificate representing such number of shares may be issued.
2. Shareholders may not request to issue certificates representing any number of shares falling short of the number of shares constituting one unit (tangen) provided for in Article 6, Paragraph 1 of the Articles of Incorporation of the Corporation (hereinafter called less-than-one-unit shares), except for the cases provided for in Article 21 (Reissue due to mutilation or disfigurement), Article 22 (Reissue due to used-up space on share certificate) hereof and reissuance due to lapse of share certificates.