Masahito Hitotsumatsu

Title: Masahito Hitotsumatsu and His Shower Innovation.

Introduction

Masahito Hitotsumatsu is an inventor associated with Toto Ltd. in Fukuoka, Japan. His patent work includes a hand-held shower designed to make it easier to select among different water spray patterns.

Latest Patents

Hitotsumatsu is credited with 1 patent: “Shower with a Micromotor Operated Revolving Shower Head.” The invention features a rotatable shower head with multiple spray heads, each offering different water-delivery characteristics. A micromotor turns the head to bring the selected spray into position when the user presses a control button.

The design also uses a pressure-responsive movable sealing member to maintain a fluid-tight connection while reducing friction between the rotating head and the water conduit. The patent describes applications in a hand-held shower unit and a shower-bath system, as well as an automatic faucet capable of varying its water-delivery patterns.

Career Highlights

Hitotsumatsu’s documented patent contribution focuses on improving the convenience and operation of shower and faucet systems. The revolving head combines motorized selection of spray patterns with a sealing arrangement intended to reduce the torque needed to rotate it.

Collaborations

The supplied information names Yasuhide Kimura and Hiroshi Kobayashi as Hitotsumatsu’s coworkers. It does not specify their roles in the patent or the invention.

Conclusion

Masahito Hitotsumatsu’s patent describes a motor-driven shower head that lets users select among different spray patterns while addressing friction and sealing challenges in the rotating assembly.