Katsunori Hama

Title: Innovations of Katsunori Hama

Introduction

Katsunori Hama is a notable inventor based in Nishinomiya, Japan. He has made significant contributions to the field of furniture design, particularly in the development of innovative chair mechanisms. With a total of four patents to his name, Hama's work reflects a commitment to enhancing user comfort and functionality.

Latest Patents

One of Hama's latest patents is for a chair featuring a tiltable seat back. This design includes a support structure, a seat positioned above it, and a seat back that can tilt. The seat back is designed with both an upper back supporting portion and a lower waist supporting portion. A unique mechanism allows the waist supporting portion to deform forward, enabling the seat back to tilt rearward to a specific angle. This innovative feature also allows the seat to move rearward as the back tilts. Another significant patent is the tilting control assembly for a chair. This assembly includes a support device, a seat, and a seat back that tilts rearward. The assembly utilizes a tilting control spring device to support the seat back against rearward tilting, along with a displacing mechanism that responds to downward loads applied to the seat.

Career Highlights

Throughout his career, Katsunori Hama has worked with reputable companies such as Itoki Crebio Corporation and Itoki Kosakusho Co., Ltd. His experience in these organizations has contributed to his expertise in furniture design and innovation.

Collaborations

Hama has collaborated with notable individuals in his field, including Hiroshi Iwabuchi and Shunichi Takamatsu. These partnerships have likely influenced his inventive processes and led to the development of his patented designs.

Conclusion

Katsunori Hama's contributions to chair design through his innovative patents demonstrate his dedication to improving user experience. His work continues to inspire advancements in furniture technology.