| 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | |
| Japan Credit Rating Agency, Ltd. Long-term credit rating |
AA- | AA | AA- | AA- | AA- | AA- | AA- |
| Rating and Investment Information, Inc. Long-term credit rating |
A+ | A+ | A+ | A+ | A+ | A+ | A+ |
| Issued | Amount (¥mn) | Coupon rate | Date of maturity | |
| 1st Corporate deventure bonds | Dec.17, 2009 | 30,000 | 0.683% Per annum | Dec.17, 2014 |
| 2nd Corporate deventure bonds | Dec.17, 2009 | 20,000 | 1.483% Per annum | Dec.17, 2019 |







