Location History:
- Chigasaki, JP (1987)
- Kitakyushu, JP (1998 - 1999)
Company Filing History:
Years Active: 1987-1999
Title: Innovations of Tatsumi Hamanaka
Introduction
Tatsumi Hamanaka is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of technology, particularly in the development of automatic faucets. With a total of 3 patents to his name, Hamanaka's work reflects his commitment to innovation and practicality.
Latest Patents
One of Hamanaka's latest patents is for an automatic faucet that utilizes a hand sensor to start and stop the discharge of water automatically. This innovative design ensures that only hands are detected accurately, preventing the erroneous detection of washbowls or water streams. The sensor consists of a light emitter and a light receiver, with the directional axis of the detection region intersecting the discharged water stream. The intersection angle is adjusted to be less than 70 degrees, regardless of the flow rate of the discharged water. The system samples reflected light levels periodically to calculate an average value and variance, which are then used to control water discharge effectively.
Career Highlights
Hamanaka's career is marked by his dedication to creating practical solutions that enhance everyday life. His work at Toto Ltd. has allowed him to focus on innovations that improve water efficiency and user experience in household products.
Collaborations
Throughout his career, Hamanaka has collaborated with talented individuals such as Mitsuyoshi Seki and Takatoshi Kawabata. These collaborations have contributed to the successful development of his patented technologies.
Conclusion
Tatsumi Hamanaka's contributions to the field of automatic faucets exemplify his innovative spirit and dedication to improving technology for everyday use. His patents reflect a deep understanding of user needs and a commitment to enhancing functionality in household products.