Qi Jun patents

• Query optimization methods, apparatuses, and systems for secure multi-party database

  US-12259885-B2 · Mar 25, 2025 · US

• Low energy consumption electrocatalytic method for electrosynthesis of hydrogen peroxide coupled with oxidation upcycling of pet plastics

  US-2025092535-A1 · Mar 20, 2025 · US

• Preparation method for ni and mn bimetallic electrocatalyst and its application in small molecule electrooxidation

  US-2025091040-A1 · Mar 20, 2025 · US

• Data query method and apparatus, and secure multi-party database

  US-2024362243-A1 · Oct 31, 2024 · US

• Query optimization methods, apparatuses, and systems for secure multi-party database

  US-2024054129-A1 · Feb 15, 2024 · US

• Data query methods, apparatuses, and systems for multi-party secure database

  US-2024045985-A1 · Feb 8, 2024 · US

• Electronic device and method for text processing

  US-10860798-B2 · Dec 8, 2020 · US

• Die attachment apparatus and method utilizing activated forming gas

  US-10399170-B2 · Sep 3, 2019 · US

• Electronic device and method for text processing

  US-2019018838-A1 · Jan 17, 2019 · US

• Additives and methods for terminating polymerization and/or reducing viscosity of polymer solution

  US-9783654-B2 · Oct 10, 2017 · US

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