This inventor holds 23 USPTO granted patents and 1 published patent application, plus 2 CIPO patents and 1 EPO patent, primarily in Acoustic Diaphragms. Top assignees: Sony Corporation, Mitsui Petrochemical Industries, Ltd., Other. Active years: 1993-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Saitama, JP (1996 - 2004)
- Tokyo, JP (1993 - 2012)
Company Filing History:
21 out of 58,147 
1 out of 1,008 
2 out of 834,570 Years Active: 1993-2012
Areas of Expertise:
Title: Innovations of Kunihiko Tokura: A Pioneer in Acoustic Technology
Introduction
Kunihiko Tokura, based in Tokyo, Japan, is a prominent inventor known for his groundbreaking work in the field of acoustic technology. With an impressive portfolio of 23 patents, Tokura has made significant contributions to the development of advanced speaker components that enhance sound quality.
Latest Patents
Among his latest innovations, Tokura has patented a unique speaker diaphragm that features a three-layer structure. This structure consists of a polyester film as the base material, sandwiched between two layers of polyimide-based resin. This innovative design aims to optimize the acoustic performance of speakers. Another notable patent involves an advanced acoustic diaphragm designed specifically for loudspeakers. This diaphragm incorporates a thermoplastic elastomer edge, which is injection-molded to enhance mechanical properties. The edge is composed of a polyolefinic elastomer with a perfectly aligned structure to prevent anisotropy in its physical characteristics, resulting in superior sound reproduction.
Career Highlights
Throughout his illustrious career, Kunihiko Tokura has worked with notable entities, including Sony Corporation, contributing to the evolution of audio technology. His expertise in material science and acoustic engineering has positioned him as a leading inventor in this specialized field.
Collaborations
Tokura has collaborated with prominent professionals in the industry, including Masaru Uryu and Toru Takebe. These partnerships have played a vital role in the development and refinement of his innovative acoustic solutions.
Conclusion
Kunihiko Tokura’s remarkable contributions to the field of acoustic technology through his 23 patents exemplify his dedication to innovation. His advancements in speaker diaphragms demonstrate the potential for continued growth and development in audio engineering, paving the way for future innovations that enhance the listening experience.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile