Patented Technologies

HISTORY MANAGEMENT DEVICE, HISTORY MANAGEMENT METHOD, AND PROGRAMTechnical BackgroundTechnologies regarding inventory management are known.For exa

PIANO PRACTICE DEVICE COMPATIBLE WITH EXISTING PIANOTechnical BackgroundThere are known devices that are mounted on keyboard instruments not inclu

VIRTUAL SPACE SEQUENCE MANAGEMENT DEVICETechnical BackgroundInventory management systems include a known system in which in a flatly stacking ware

AIR CONDITIONING APPARATUS AND AIR CONDITIONING MANAGEMENT METHODTechnical BackgroundThere are known devices that perform air conditioning in a re

PAPER SHRED RESTORATION DEVICETechnical BackgroundThere are known methods for evaluating shredding performance of a shredder.For example, there is

Vibration deviceTechnical BackgroundAging devices for wooden musical instruments are known. For example, a device consists of a hygroscopic, sound

PH METERTechnology backgroundThere are known methods for preventing foreign matter from adhering to an object, and known methods for removing fore

FREELY ADJUSTABLE BOOKSHELFTechnical BackgroundThere is a known device that aligns positions of spines of a plurality of books displayed on a shel