Patent assignee · JP · COMPANY

PARAMOUNT BED CO., LTD.

126Patents
107Active
126Granted
56Portfolio score

Filing activity: May 16, 1989 → Jan 19, 2024 · 14 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8015638B2 X-linked lift mechanism Human Necessities 71 Active
US7174586B2 Operation control apparatus for electric bed Human Necessities 47 Expired
US9233020B2 Controller for vacuum suction type urine collector Human Necessities 42 Active
US7235942B2 Method of controlling the lifting of bottom sections of lying furniture such as a bed Human Necessities 39 Expired
US7058999B2 Electric bed and control apparatus and control method therefor Human Necessities 32 Expired
US5469591A Bottom structure for a bed Human Necessities 25 Expired
US5377373A Bottom structure of a bed Human Necessities 22 Expired
US5369826A Bottom structure of a bed Human Necessities 20 Expired
US9095224B2 Air mattress Human Necessities 19 Active
US6691345B2 Lifting mechanism for liftable side rails for a lying table such as a bed Human Necessities 19 Expired
US9597244B2 Air mattress Human Necessities 18 Active
US8381336B2 Bed apparatus provided with bed-departure prediction and detection system Human Necessities 17 Active
US10463165B2 Air mattress having a plurality of air cell groups Human Necessities 16 Active
US9326904B2 Air mattress with internal pump Human Necessities 16 Active
US9114048B2 Air mattress Human Necessities 15 Active
US6564404B1 Liftable side rail for a lying table such as a bed Human Necessities 15 Expired
US9622589B2 Air mattress with internal pump Human Necessities 15 Active
US9009898B2 Mattress, pressure sensor calibration method, and bed device Human Necessities 14 Active
US5388290A Bottom structure of a bed Human Necessities 13 Expired
US5377369A Bottom structure of a bed Human Necessities 12 Expired
US6957460B2 Mechanical system for operating the back and knee bottom sections of a bed or the like in an interlocked manner Human Necessities 11 Expired
US5448789A Bottom structure of a bed Human Necessities 11 Expired
US6854141B2 Lifting control method for lying furniture such as a bed Human Necessities 10 Expired
US6957458B2 Coordinative lifting control method of bottom sections for lying furniture such as a bed Human Necessities 10 Expired
US7834770B2 Bed apparatus having movable bedboard Physics 10 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.