|Nakanishi Inc. Patent applications|
|Patent application number||Title||Published|
|20130137060||Dental Handpiece - A dental handpiece having a reciprocal rotation means for converting a rotary motion to a reciprocating rotating motion is disclosed. The reciprocal rotation means includes a rotary body having input- and output-side guide grooves, input- and output-side semispherical concave surface formed at the ends of input- and output-side shaft part, respectively, of a rotary shaft extending in a grip of the handpiece, and input- and output-side guide pin protruding from the input- and output-side semispherical concave surface, respectively for engagement in the input- and output-side guide grooves, respectively.||05-30-2013|
|20130099710||MOTOR CONTROL METHOD AND MOTOR CONTROL APPARATUS FOR DENTAL HANDPIECE - The present invention relates to a motor control method for a dental handpiece provided with a motor that rotationally drives a cutting tool. The control method includes a step A of limiting the motor current to a first limit current I||04-25-2013|
|20120305098||LIQUID TANK AND DENTAL DEVICE - A liquid tank capable of preventing a gas passage from being clogged and a dental device including this liquid tank are provided. A liquid tank having an accommodation space in which a liquid L to be supplied to outside is accommodated includes a tank body having a mouth part with an opening, a cap mounted on the mouth part to close the opening, a liquid passage through which the liquid L in the liquid tank flows toward outside, a gas passage having a gap between the mouth part and the cap and a path communicatively connecting to the gap and the accommodation space, a liquid flow valve provided on the liquid passage to allow or inhibit a flow of the liquid L to outside, and an aeration valve provided on the gas passage to compensate for a negative pressure occurring in the accommodation space.||12-06-2012|
|20090246730||DENTAL HANDPIECE - Two nozzles||10-01-2009|
|20080214989||Biopolymer Powder Gelating/Jetting Apparatus - A system is provided for efficiently gelating and injecting a constant amount of biopolymer powder for effectively using biopolymer in sealing, stanching, and prevention of adhesion of a post-surgical site. Powder transfer line||09-04-2008|
Patent applications by Nakanishi Inc.