diff --git a/README.md b/README.md
index d5724a3..c9d3f89 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ Development Resources
 Copyright
 ----------------------------------------------------------------------
 
-Copyright (C) 2012-2013 SATOH Fumiyas @ OSS Technology Corp., Japan
+Copyright (C) 2012-2013 SATOH Fumiyasu @ OSS Technology Corp., Japan
 
 Licensed under the GNU General Public License version 3
 
diff --git a/ext/net/smb/rb_smb.h b/ext/net/smb/rb_smb.h
index b2d2338..54b914f 100644
--- a/ext/net/smb/rb_smb.h
+++ b/ext/net/smb/rb_smb.h
@@ -1,7 +1,7 @@
 /*
  * Ruby/Net::SMB - SMB/CIFS client (Samba libsmbclient binding) for Ruby
  * Common header for Net::SMB
- * Copyright (C) 2012-2013 SATOH Fumiyas @ OSS Technology Corp., Japan
+ * Copyright (C) 2012-2013 SATOH Fumiyasu @ OSS Technology Corp., Japan
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/ext/net/smb/smb.c b/ext/net/smb/smb.c
index bcdcc01..4317b66 100644
--- a/ext/net/smb/smb.c
+++ b/ext/net/smb/smb.c
@@ -1,7 +1,7 @@
 /*
  * Ruby/Net::SMB - SMB/CIFS client (Samba libsmbclient binding) for Ruby
  * Net::SMB class
- * Copyright (C) 2012-2013 SATOH Fumiyas @ OSS Technology Corp., Japan
+ * Copyright (C) 2012-2013 SATOH Fumiyasu @ OSS Technology Corp., Japan
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/ext/net/smb/smbdir.c b/ext/net/smb/smbdir.c
index b2f5428..c3ec971 100644
--- a/ext/net/smb/smbdir.c
+++ b/ext/net/smb/smbdir.c
@@ -1,7 +1,7 @@
 /*
  * Ruby/Net::SMB - SMB/CIFS client (Samba libsmbclient binding) for Ruby
  * Net::SMB::Dir class
- * Copyright (C) 2012-2013 SATOH Fumiyas @ OSS Technology Corp., Japan
+ * Copyright (C) 2012-2013 SATOH Fumiyasu @ OSS Technology Corp., Japan
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/ext/net/smb/smbdirentry.c b/ext/net/smb/smbdirentry.c
index ac125be..2ca57c8 100644
--- a/ext/net/smb/smbdirentry.c
+++ b/ext/net/smb/smbdirentry.c
@@ -1,7 +1,7 @@
 /*
  * Ruby/Net::SMB - SMB/CIFS client (Samba libsmbclient binding) for Ruby
  * Net::SMB::DirEntry class
- * Copyright (C) 2012-2013 SATOH Fumiyas @ OSS Technology Corp., Japan
+ * Copyright (C) 2012-2013 SATOH Fumiyasu @ OSS Technology Corp., Japan
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/ext/net/smb/smbfile.c b/ext/net/smb/smbfile.c
index cc4c188..8ba9e53 100644
--- a/ext/net/smb/smbfile.c
+++ b/ext/net/smb/smbfile.c
@@ -1,7 +1,7 @@
 /*
  * Ruby/Net::SMB - SMB/CIFS client (Samba libsmbclient binding) for Ruby
  * Net::SMB::File class
- * Copyright (C) 2012-2013 SATOH Fumiyas @ OSS Technology Corp., Japan
+ * Copyright (C) 2012-2013 SATOH Fumiyasu @ OSS Technology Corp., Japan
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/ext/net/smb/smbstat.c b/ext/net/smb/smbstat.c
index 0d6cafd..992c15a 100644
--- a/ext/net/smb/smbstat.c
+++ b/ext/net/smb/smbstat.c
@@ -1,7 +1,7 @@
 /*
  * Ruby/Net::SMB - SMB/CIFS client (Samba libsmbclient binding) for Ruby
  * Net::SMB::Stat class
- * Copyright (C) 2012-2013 SATOH Fumiyas @ OSS Technology Corp., Japan
+ * Copyright (C) 2012-2013 SATOH Fumiyasu @ OSS Technology Corp., Japan
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by