日本
Patent No.7064672
Patent No.7052961
Patent No.6841936
Patent No.6054975
アメリカ
Patent No.US 11,472,586,B2
インド
Patent No.496445
ベトナム
Patent No.38261
Patent No.7064672
Patent No.7052961
Patent No.6841936
Patent No.6054975
Patent No.US 11,472,586,B2
Patent No.496445
Patent No.38261