This inventor holds 3 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1979-2005.
Location History:
- Yokohama, JP (1979)
- Kanagawa, JP (1996 - 2005)
Company Filing History:
Years Active: 1979-2005
Title: Ikuo Chatani: Innovator in Loudspeaker Technology
Introduction
Ikuo Chatani is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of loudspeaker technology, holding a total of 3 patents. His work focuses on enhancing the performance and safety of loudspeaker devices.
Latest Patents
One of his latest patents is a speaker-use protection element and speaker device. This innovative loudspeaker protective unit is designed to safeguard a loudspeaker device against excessive input current. It features a lamp connected in series with the loudspeaker unit, housed in a casing made of electrically conductive material. The lamp is sealed with a special sealant that exhibits predetermined electrical conductivity. The design includes a preset spacing between lead lines of the lamp, which is filled with an inert gas. When voltage is applied, an electrical discharge interrupts the current flowing through the filament, preventing temperature rise in the lamp. Another significant patent is a diaphragm for a capacitance type loudspeaker. This diaphragm utilizes a conductive high polymer layer formed on a high molecular film of PET. The conductive layer is created by treating the film in a solution containing a conductive high molecular monomer, a chemical oxidizer, and a dopant.
Career Highlights
Ikuo Chatani is currently employed at Sony Corporation, where he continues to innovate in the field of audio technology. His work has been instrumental in developing advanced loudspeaker systems that enhance sound quality and reliability.
Collaborations
Throughout his career, Ikuo has collaborated with esteemed colleagues such as Masaru Uryu and Kunihiko Tokura. These partnerships have contributed to the advancement of loudspeaker technology and the successful development of innovative products.
Conclusion
Ikuo Chatani's contributions to loudspeaker technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the audio industry, ensuring better performance and safety in loudspeaker devices.