This inventor holds 4 USPTO granted patents and 4 published patent applications and 2 EPO patents. Top assignees: The Furukawa Electric Co., Ltd., Totoku Electric Co., Ltd. Active years: 1994-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hiratsuka, JP (1994)
- Tokyo, JP (2015 - 2020)
Company Filing History:

Years Active: 1994-2020
Title: Syunji Yamamoto: Innovator in LED Technology
Introduction
Syunji Yamamoto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of LED technology, holding a total of 4 patents. His innovative designs focus on integrating sound and light functionalities, showcasing his expertise in creating advanced illumination devices.
Latest Patents
Yamamoto's latest patents include an LED illumination device with a speaker function and a method for extracting light and sound from this device. The first patent describes a frame member attached to an opening in an outer light-reflection plate. This frame consists of an inner and outer frame part, with a light extraction part formed between them. The inner frame part includes a separate extraction part that captures acoustic vibrations and light. This design features a sound intake port and a sound extraction port, strategically placed to optimize sound and light output. The second patent outlines an LED lighting device with a frame made of microcellular foam resin, designed to emit light uniformly from a light extraction portion.
Career Highlights
Throughout his career, Yamamoto has worked with notable companies such as Furukawa Electric Co., Ltd. and Totoku Electric Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in LED technology.
Collaborations
Yamamoto has collaborated with esteemed colleagues, including Tetsuji Kubota and Takuzo Hagiwara. Their combined expertise has fostered a creative environment that has led to the development of advanced technologies in the field.
Conclusion
Syunji Yamamoto's contributions to LED technology demonstrate his innovative spirit and commitment to enhancing illumination devices. His patents reflect a unique blend of sound and light functionalities, positioning him as a key figure in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile