Manufacturer profile
Only One Care
Koyo
Choose a product type to visit Koyo’s official information. Switch between Retail and Hospitals & care facilities to find the relevant products.
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Visit Koyo’s official siteOfficial product information
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Switch between Retail and Hospitals & care facilities to see official information for each channel.
Official product information for hospitals and care facilities.
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Pull-on adult diapers
Tape-fastened adult diapers
Incontinence insert pads
Light incontinence pads
Figures are reference values for the products and sizes checked on official manufacturer pages. Ranges show the lowest and highest listed values found; they do not mean every intermediate value is available. Hospital and care facility figures in mL are reference absorbency, not total absorption capacity. Light incontinence pad absorbency is shown in cc. Specifications and measurement conditions vary by product. Figures checked: October 8, 2026.
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Manufacturer updates
Koyo news
Coverage: January 1, 2023–October 9, 2026. Entries use the manufacturer’s official publication dates.
Omutsu Navi case-study interview published
Koyo announced that an implementation interview about its Omutsu Navi continence care support service had appeared on the Sagami Robot Industry Special Zone website. The article describes its use in a care facility: sensing an insert pad’s absorption status helped staff reconsider continence checks and changing times. It also reports feedback about the burden on both staff and residents.
Read the official announcement ↗Omutsu Navi and Kaigo Plus linked with Nemuri CONNECT
On April 15, Koyo began system integration linking its Omutsu Navi urine-volume detection sensor and Sanwa’s Kaigo Plus continence support system with Paramount Bed’s Nemuri CONNECT monitoring support system. Sleep status and an insert pad’s absorption status could be viewed on the same screen. The integration aims to support assistance that follows daily routines and reduce the effort of checking multiple screens.
Read the official announcement ↗Omutsu Navi home kit launched for home care
Koyo launched an Omutsu Navi home kit that attaches a sensor to an adult diaper for home care. A smartphone app can show wetness inside the diaper, the wearer’s position and the internal temperature. The company presents it as a product that helps inform continence care decisions.
Read the official announcement ↗Omutsu Navi continence care support solution launched for care facilities
Koyo launched Omutsu Navi, a continence care support solution for care facilities. Sensors attached to adult diapers detect internal conditions to help tailor continence care to each resident. The company said it also aims to reduce staff checks and adult diaper use.
Read the official announcement ↗