Koki Holdings Co., Ltd.

Design and optimization of the mechanical components and power transmission systems within powered hand tools, including motors, gears, spindles, and impact mechanisms, for efficiency, durability, and compact form factor.

Focuses on the structural integrity, housing, mounting, and physical integration of battery cells into robust and protected packs within electric vehicles, including manufacturing considerations.

Software, algorithms, and associated hardware for monitoring, controlling, and optimizing battery performance, safety, and lifespan, including charge/discharge cycles, thermal regulation, and system integration.

Strategies and circuits for optimizing the supply and consumption of electrical power for motors, including current limiting, regenerative energy handling, battery integration, and managing power quality.

Design and application of abrasive tools and deburring heads tailored for specific geometries, materials, or access constraints, including flexible, expandable, or multi-component designs for precision finishing.

Design elements and integrated components that improve the usability, comfort, and versatility of hand tools, such as built-in lighting, vibration reduction, modular storage, or adjustable form factors.

Integration of robotics, sensors, and control systems to automate the grinding, polishing, or deburring process, including workpiece handling, tool adjustment, and system maintenance for improved efficiency and precision.

Methods and circuits for controlling the power electronic converters (inverters, bridges) that supply current and voltage to electric motors, including switching strategies, voltage command generation, and multi-phase configurations.

Integration of sensors, microcontrollers, and communication modules into hand tools to enable precise operation, remote configuration, and user guidance through real-time feedback or augmented reality.

Processes and apparatus for disassembling spent batteries and recovering valuable materials (e.g., metals, electrolytes, plastics) through mechanical, chemical, or electrochemical methods for reuse or sustainable disposal.

Design and control of power supply architectures that combine multiple power sources (e.g., AC grid, DC battery, generators) or modular battery units, often featuring switching, conversion, and redundancy for enhanced reliability and flexibility.

Tools and systems engineered for the precise installation, removal, or manipulation of specific components or fasteners, often involving specialized gripping, depth control, or extraction mechanisms.

Development of novel motor architectures beyond traditional radial flux designs, including linear, axial, or multi-armature configurations, often to optimize for specific performance characteristics like torque density or form factor.

Manufacturing processes and techniques for producing stator cores, windings, and coils, including lamination, impregnation, hairpin winding, and segment coil bending, to improve motor efficiency, power density, or reliability.