Company Profile
About Our Patents
Magnesium-lithium Alloy Patents
Notice Regarding Our Patents on Magnesium-Lithium Alloys
We have established technologies covering the entire process from melting to casting to rolling for "Magnesium-Lithium Alloys," and have developed magnesium-lithium alloys with exceptional ultra-lightweight properties and cold workability.
We hold numerous patents domestically and internationally related to this magnesium-lithium alloy and surface treatment of the alloy (hereinafter collectively referred to as "our SanMaLia Alloy Patents"; SanMaLia is an abbreviation for Santoku Magnesium Lithium alloy). The main patents are listed in the table below.
We provide our patent information for your reference. For inquiries regarding patents and licensing, please contact our Intellectual Property department.
■ Our SanMaLia Alloy Patents and Their Expiration Dates (excerpt of selected patents)
| Japan | USA | Europe | China | |
|---|---|---|---|---|
| Mg-Li Alloy Patent 1) | 2029 | 2032 | - | 2029 |
| Mg-Li Alloy Patent 2) | 2029 | 2034 | - | 2030 |
| Mg-Li Alloy Patent 3) | 2029 | - | - | - |
| Mg-Li Alloy Patent 4) | 2036 | 2036 | - | - |
| Mg-Li Alloy Surface Treatment Patent 5) | 2029 | - | - | 2030 |
1) Japanese Patent No. 5643498
2) Japanese Patent No. 4672796
3) Japanese Patent No. 5731206
4) Japanese Patent No. 6794264
5) Japanese Patent No. 5431081 ※ Japanese patent only, co-owned with Million Chemical Co., Ltd.
When Purchasing Magnesium-Lithium Alloys
As stated above, we hold patents related to magnesium-lithium alloys. Therefore, when purchasing magnesium-lithium alloys, we recommend that you confirm with your supplier in advance that the alloy in question does not infringe upon our SanMaLia Alloy Patents before completing your purchase.
When Manufacturing Magnesium-Lithium Alloys
Please be aware in advance that in regions where our SanMaLia Alloy Patents are in effect, the manufacture, sale, or other activities related to magnesium-lithium alloys may potentially infringe upon our SanMaLia Alloy Patents, regardless of the purpose.