Lixil Corporation

Ryuichi Yokoi

Hiroaki Watanabe

Tomoya Sasaki

Akiya Saeki

Ryosuke Nakamura

Ryosuke Suzuki

Yudai Morikawa

Toshiaki Ikeda

Motoki Kagawa

Kouta Higuchi

Akitaka Hamajima

A flush toilet is provided with a toilet main unit and a functional unit. The toilet main unit has a toilet bowl and an upper surface portion on which a recessed portion is formed. The functional unit is provided on the rear side of the toilet bowl and offers a function different from a function for washing the toilet bowl. The functional unit is able to move between an entering position where at least a portion of the functional unit is located inside the recessed portion and a retreating position where the entire functional unit is located outside the recessed portion.

Flush toilet

Provided is a method of manufacturing a toilet seat that is formed by joining together a seat front member and a seat rear member. The method includes a cutting step of forming a processed surface of a joint part between the seat front member and the seat rear member by cutting the joint part between the seat front member and the seat rear member with a cutting tool having a curved cutting blade part such that the shape of the processed surface is formed in a curved shape in which the seat rear member side thereof protrudes outward in a cross section perpendicular to the direction in which the joint part extends.

Toilet seat and method of manufacturing same

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Tokyo, Japan

Ryuichi Yokoi