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About Our Patents

Magnesium-lithium Alloy Patents

Information on our magnesium-lithium alloy-related patents

 We have established techniques for melting, casting and rolling magnesium-lithium alloys and have developed ultralight magnesium-lithium alloys with exceptional cold workability.
 We possess numerous international and domestic patents related to the surface treatment of magnesium-lithium alloys and other alloys thereof (hereafter referred to as “Santoku SanMaLia Alloy Patents”). The main ones are displayed on the graph below.
 Our company has provided this patent information for your reference. For questions regarding these patents, please contact our department for intellectual properties.

■Santoku-held Magnesium-lithium Patents and their Terms of Validity
(An excerpt of our patents. Applications have also been submitted to countries other than those listed below.)

Japan America Europe Korea China
Mg-Li alloy patent 1) 2029 Under examination Under examination - Under examination
Mg-Li alloy patent 2) 2029 Under examination Under examination - Under examination
Mg-Li alloy patent 3) 2029 - - - -
Mg-Li alloy surface treatment patent 4) 2029 - - Under examination 2030年

1)JP 5643498

2)JP 4672796

3)JP 5731206

4)JP 5431081 (*Japanese patents are jointly held with Million Chemicals Co., Ltd. All patents held in other countries belong exclusively to Santoku)

When purchasing magnesium-lithium alloys

(1) As seen above, our company possesses various patents related to magnesium-lithium alloys. We recommend that you confirm with your supplier whether the alloy you desire infringes upon Santoku-held Magnesium-lithium Alloy Patents before purchasing.

When manufacturing magnesium-lithium alloys

Please be aware that, regardless of the intended purpose, manufacturing and sales related to magnesium-lithium alloys may infringe upon Santoku-held Magnesium-lithium Alloy Patents in regions where these apply.

Features of Magnesium-lithium Alloys

詳しくはこちら

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