List of zinc mining patents

Patent 11345607 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on May, 2022 by the United States Patent and Trademark Office.

Patent 11426976 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on August, 2022 by the United States Patent and Trademark Office.

Patent 10236507 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on March, 2019 by the United States Patent and Trademark Office.

Patent 8980135 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on March, 2015 by the United States Patent and Trademark Office.

Patent 10044025 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on August, 2018 by the United States Patent and Trademark Office.

Patent 11374220 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on June, 2022 by the United States Patent and Trademark Office.

Patent 11404690 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on August, 2022 by the United States Patent and Trademark Office.

Patent 11389875 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on July, 2022 by the United States Patent and Trademark Office.

Patent 10128501 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on November, 2018 by the United States Patent and Trademark Office.

Patent 8083847 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on December, 2011 by the United States Patent and Trademark Office.

Patent 11512182 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on November, 2022 by the United States Patent and Trademark Office.

Patent 7135223 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on November, 2006 by the United States Patent and Trademark Office.

Patent 11235558 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on February, 2022 by the United States Patent and Trademark Office.

Patent 10483539 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on November, 2019 by the United States Patent and Trademark Office.

Patent 7687141 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on March, 2010 by the United States Patent and Trademark Office.

Patent 10109849 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on October, 2018 by the United States Patent and Trademark Office.

Patent 9882204 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on January, 2018 by the United States Patent and Trademark Office.

Patent 7422621 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on September, 2008 by the United States Patent and Trademark Office.

Patent 7276186 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on October, 2007 by the United States Patent and Trademark Office.

Patent 10017875 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on July, 2018 by the United States Patent and Trademark Office.

Patent 7276187 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on October, 2007 by the United States Patent and Trademark Office.

Patent 9583764 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on February, 2017 by the United States Patent and Trademark Office.