Location History:
- Minato-ku, JP (2004)
- Tokyo, JP (2008 - 2011)
- Kani, JP (2007 - 2016)
Company Filing History:
6 out of 308 
1 out of 393 
1 out of 21,862 
Years Active: 2004-2016
Title: Nobumichi Hanawa: Innovator in Vehicle Suspension Technology
Introduction
Nobumichi Hanawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of vehicle suspension technology, holding a total of 7 patents. His innovative designs focus on enhancing vehicle performance and safety through advanced damper and shock absorber mechanisms.
Latest Patents
One of Hanawa's latest patents is a damper with a vehicle height adjusting function. This invention includes a damper body and a vehicle height adjusting mechanism that allows for the adjustment of the damper's axial length. The damper body consists of a cylinder, a head member that closes one end of the cylinder, and a piston rod that is axially supported on the head member's inner periphery. The piston rod is inserted into the cylinder, allowing for axial movement, while a piston retained by the rod partitions the cylinder into two pressure chambers. The vehicle height adjusting mechanism features a partition wall member that defines a jack chamber in one of the pressure chambers, capable of extending and contracting in the axial direction, along with a pump that supplies or discharges a working fluid into or from the jack chamber.
Another notable patent is a spring force adjusting device for a hydraulic shock absorber. This device includes a tubular cover arranged on the outer side of a rod, with a suspension spring positioned around the cylinder and the cover. A cam mechanism adjusts the spring force and is located on the outer periphery of the cover. The device also features a top cap mounted on the tip of the rod, a junction member sandwiched between the top cap and the cover, and a means for preventing relative rotations of the top cap, cover, and junction member.
Career Highlights
Throughout his career, Nobumichi Hanawa has worked with notable companies such as Kayaba Industry Company, Ltd. and Kyb Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in vehicle suspension technology.
Collaborations
Hanawa has collaborated with talented individuals in his field, including Masaru Mishima and Yuji Nakashima. These partnerships have contributed to the advancement of his inventions and the overall progress in vehicle suspension systems.
Conclusion
Nobumichi Hanawa is a distinguished inventor whose work in vehicle suspension technology has led to several innovative patents. His contributions continue
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.