This inventor holds 9 USPTO granted patents. Top assignees: Nissan Motor Company Limited, Nhk Spring Co., Ltd., Tachi-S Co., Ltd.. Active years: 1989-1999.
Location History:
- Yokosuka, JP (1989 - 1998)
- Yokohama, JP (1999)
Company Filing History:



Years Active: 1989-1999
Title: The Innovations of Toshimichi Hanai
Introduction
Toshimichi Hanai is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of seat device technology, holding a total of 9 patents. His work focuses on enhancing comfort and functionality in seating arrangements.
Latest Patents
One of his latest inventions is a seat device that comprises a cushion frame mounted on a floor, a support member for supporting a seat pad, and torsion bars for elastically supporting the support member on the cushion frame. This innovative design includes a torque bar section and an arm section, with torsion bars positioned at the front and rear or left and right positions of the seat. Each arm section of the torsion bars is designed to form a parallel link mechanism. Another significant patent is the torsion-bar equipped vibration absorbing seat device. This device features a cushion frame mounted on a floor, a support member for a seat pad, and a torsion bar that includes a torque bar section and an arm section. The design incorporates an arm supporting bracket of a cylindrical shape, allowing for relative movement with respect to the support member.
Career Highlights
Throughout his career, Toshimichi Hanai has worked with prominent companies such as Nissan Motor Company Limited and Tachi-s Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative seating solutions.
Collaborations
Toshimichi has collaborated with notable individuals in his field, including Takayoshi Kashiwamura and Akira Homma. These partnerships have further enriched his work and led to advancements in seat technology.
Conclusion
Toshimichi Hanai's contributions to the field of seat device technology are noteworthy. His innovative patents and collaborations reflect his commitment to enhancing comfort and functionality in seating solutions.