The name "Showa" appears as a single character block in
Unicode at hex 337C. It looks like this:
㍼
As two characters, it uses hexes 662D and 548C:
昭和
Japanese writings have a nasty tendency to cite dates in the imperial year system, and if you're not used to it it can be a real pain in the arse. So here's a translation table from Showa years to CE years:
Showa 1 = 1926
Showa 5 = 1930
Showa 10 = 1935
Showa 15 = 1940
Showa 20 = 1945
Showa 25 = 1950
Showa 30 = 1955
Showa 35 = 1960
Showa 40 = 1965
Showa 45 = 1970
Showa 50 = 1975
Showa 55 = 1980
Showa 60 = 1985
Showa 64 = 1989
< Taisho - Showa - Heisei >