Prosecution Insights
Last updated: April 19, 2026

Tokuyama Corporation

24 pending office actions

Portfolio Summary

24
Total Pending OAs
11
Final Rejections
13
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
19102333 ALUMINUM NITRIDE POWDER AND RESIN COMPOSITION LI, JUN 1732 Final Rejection Feb 07, 2025
18292787 CLEANING BASKET AYALEW, TINSAE B 1711 Final Rejection Jan 26, 2024
18394206 SILICON ETCHING SOLUTION, METHOD OF TREATING SILICON SUBSTRATE, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AHMED, SHAMIM 1713 Non-Final OA Dec 22, 2023
18286646 OPTICAL ARTICLE, SPECTACLE LENS AND SPECTACLES AHVAZI, BIJAN 1763 Final Rejection Oct 12, 2023
18279710 PHOTOCHROMIC CURABLE COMPOSITION SHAH, SAMIR 1787 Final Rejection Aug 31, 2023
18239303 SILICON ETCHING SOLUTION AND METHOD FOR PRODUCING SILICON ETCHING SOLUTION, METHOD FOR TREATING SUBSTRATE, AND METHOD FOR PRODUCING SILICON DEVICE LU, JIONG-PING 1713 Final Rejection Aug 29, 2023
18279095 PACKAGING BAG FOR FILLING CRUSHED POLYSILICON MATERIAL AND POLYSILICON PACKAGE MIGGINS, MICHAEL C 1782 Final Rejection Aug 28, 2023
18278667 Hexagonal Boron Nitride Aggregated Particles, Hexagonal Boron Nitride Powder, Resin Composition, and Resin Sheet NGUYEN, CAM N 1736 Non-Final OA Aug 24, 2023
18235958 GROUND STRUCTURE AND CONSTRUCTION METHOD THEREOF HARTMANN, GARY S 3671 Non-Final OA Aug 21, 2023
18235120 ETCHING SOLUTION, METHOD OF MANUFACTURING SILICON DEVICE AND METHOD OF TREATING SUBSTRATE USING THE ETCHING SOLUTION AHMED, SHAMIM 1713 Final Rejection Aug 17, 2023
18274403 NOVEL CURABLE COMPOSITION CONTAINING CYCLIC MONOMER LEONARD, MICHAEL L 1763 Non-Final OA Jul 26, 2023
18274185 CURABLE COMPOSITION CONTAINING CYCLIC MULTIFUNCTIONAL MONOMER BOYLE, KARA BRADY 1766 Non-Final OA Jul 25, 2023
18274188 HOLLOW MICROBALLOON RIOJA, MELISSA A 1764 Non-Final OA Jul 25, 2023
18272242 Hexagonal Boron Nitride Powder KUVAYSKAYA, ANASTASIA ALEKSEYEVNA 1731 Non-Final OA Jul 13, 2023
18271925 RESIN COMPOSITION, OPTICAL LAMINATE, OPTICAL ARTICLE, LENS AND EYEGLASSES RICE, STEVEN 1787 Non-Final OA Jul 12, 2023
18247834 Method of Manufacturing Green Sheet WIESE, NOAH S 1731 Non-Final OA Apr 04, 2023
18023028 CRUSHED POLYCRYSTALLINE SILICON LUMPS AND METHOD FOR PRODUCING SAME TAYLOR, JORDAN W 1738 Final Rejection Feb 24, 2023
17920921 METHOD OF MANUFACTURING HALOGEN OXOACID AND MANUFACTURING APPARATUS THEREFOR BAHTA, MEDHANIT W 1692 Final Rejection Oct 24, 2022
17912426 METHOD FOR PRODUCING SURFACE-TREATED SILICA POWDER, RESIN COMPOSITION, AND SLURRY CASE, SARAH CATHERINE 1731 Non-Final OA Sep 16, 2022
17910984 METHOD FOR PRODUCING HEXAGONAL BORON NITRIDE POWDER PHAN, ANNETTE HOANG-ANH 1736 Non-Final OA Sep 12, 2022
17801884 ELECTROLYSIS ELEMENT FOR ALKALINE WATER ELECTROLYSIS, AND ALKALINE WATER ELECTROLYSIS VESSEL CHUNG, HOSUNG CHARLES 1794 Final Rejection Aug 24, 2022
17774400 TRICHLOROSILANE PRODUCTION METHOD, AND PIPES TAYLOR, JORDAN W 1738 Non-Final OA May 04, 2022
17765021 APPARATUS AND METHOD FOR PRODUCING POLYCRYSTALLINE SILICON, AND POLYCRYSTALLINE SILICON TAYLOR, JORDAN W 1738 Non-Final OA Mar 30, 2022
17708596 SEMICONDUCTOR TREATMENT LIQUID DEO, DUY VU NGUYEN 1713 Final Rejection Mar 30, 2022

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