Solution : https://service.sap.com/sap/support/notes/95190 (SAP Service marketplace login required)
Key words : 
p30    ~ftp/general/r3server/abap/note, ~ftp/general/r3server/abap/note, full shift-jis code page, single-byte katakanathe program checks, identical double-byte katakana character, prerequisites additional information solution, additional key words zenginkyo, 1ithe field 'lfa1-name3', correct zenginkyo-format file, sap blended code pages
Related Notes : 
       
| 73606 | Supported Languages and Code Pages |