Prosecution Insights
Last updated: April 19, 2026

Tanaka Chemical Corporation

5 pending office actions

Portfolio Summary

5
Total Pending OAs
1
Final Rejections
4
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18344207 NICKEL-CONTAINING HYDROXIDE, POSITIVE ELECTRODE ACTIVE MATERIAL USING NICKEL-CONTAINING HYDROXIDE AS PRECURSOR, AND METHOD PRODUCING NICKEL-CONTAINING HYDROXIDE DAVIS, SHENG HAN 1732 Non-Final OA Jun 29, 2023
18013065 PRECURSOR FOR LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR PRODUCING LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL HA, STEVEN S 1735 Non-Final OA Dec 27, 2022
18013057 PRECURSOR FOR LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM METAL COMPOSITE OXIDE, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY ARMSTRONG, KAREN JOYCE 1726 Final Rejection Dec 27, 2022
17915766 METHOD OF MANUFACTURING COMPOSITE HYDROXIDE AND COMPOSITE HYDROXIDE BARCENA, CARLOS 1723 Non-Final OA Sep 29, 2022
17589020 NICKEL COMPOSITE HYDROXIDE, POSITIVE ELECTRODE ACTIVE MATERIAL USING NICKEL COMPOSITE HYDROXIDE AS PRECURSOR, AND METHOD FOR PRODUCING THE SAME KRONE, TAYLOR HARRISON 1725 Non-Final OA Jan 31, 2022

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