(b) As of March 31, 2002: 7. Inventories 8. Property, Plant and Equipment 9. Revaluation Reserve for Land Annual Report 2003 41 Millions of yen Within 1 1 to 5 5 to 10 Over 10 year years years years 1) Debt securities Government and  municipal bonds ¥ 750 ¥1,483 ¥671 ¥147 Corporate bonds 24,200 115 243 28 Other 27,109 5,147 — — 2) Other 1,190 202 — — Total ¥53,249 ¥6,947 ¥914 ¥175 Millions Millions Thousands of of yen of yen U.S. dollars 2003 2002 2003 Finished products ¥120,986 ¥119,925 $1,006,539 Work in process 55,698 53,364 463,378 Raw materials 20,005 17,157 166,431 Supplies 1,967 2,102 16,364 ¥198,656 ¥192,548 $1,652,712 Millions Millions Thousands of of yen of yen U.S. dollars 2003 2002 2003 Buildings and structures ¥254,567 ¥239,229 $2,117,862 Machinery and vehicles 477,782 459,791 3,974,892 Other 198,164 189,630 1,648,619 930,513 888,650 7,741,373 Less accumulated depreciation (606,307) (579,422) (5,044,151) Land 157,895 150,649 1,313,602 Construction in progress 14,441 21,880 120,141 Total ¥496,542 ¥481,757 $4,130,965 Millions of yen Book value of land for business use before revaluation  ¥ 592 Book value of land for business use after revaluation 1,704 Inventories at March 31, 2003 and 2002 consisted of the following: Property, plant and equipment at March 31, 2003 and 2002 were summarized as follows: In accordance with the Law to Partially Revise the Land Revaluation Law (Law No. 34, enacted on March 31, 1998), land owned by a consolidated subsidiary for business use was revalued. The unrealized gains from the revaluation were included in shareholders’ equity as “Revaluation reserve for land”, net of deferred taxes. The deferred taxes of the unrealized gains were included in other long-term liabilities. The land was revalued as of March 31, 2002 as follows: