Koichi Muramatsu

Title: Koichi Muramatsu: Innovator in Audio and Battery Technology

Introduction

Koichi Muramatsu is a prominent inventor based in Osaka, Japan. He has made significant contributions to the fields of audio technology and battery design. With a total of 7 patents to his name, Muramatsu has demonstrated a commitment to innovation and excellence in his work.

Latest Patents

Among his latest patents, Muramatsu has developed a speaker unit and earphone. This speaker unit is incorporated in a housing of an earphone and includes a frame with a cylindrical shape, a diaphragm that emits sound, and a board to which a wiring line of a coil provided to the diaphragm is connected. The design features a space inside the frame, with the diaphragm and the board placed within this space.

Another notable patent is for a battery pack and its production method. This battery pack includes a connector holder fixed to an exterior case, which has two main surfaces, including a first main surface exposed through an opening of the exterior case. The design features a floating connector that is connected to the center of the connector holder, allowing for variable orientation and position. Additionally, a lead wire connects the floating connector with a circuit board, and a positioning buffer ensures the floating connector is positioned correctly when no external force is applied.

Career Highlights

Muramatsu has worked with several notable companies throughout his career, including Panasonic Intellectual Property Management Co., Ltd. and Sanyo Electric Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Throughout his career, Muramatsu has collaborated with talented individuals such as Masami Haino and Kouji Fukushima. These collaborations have further enriched his work and led to advancements in technology.

Conclusion

Koichi Muramatsu is a distinguished inventor whose work in audio and battery technology has made a lasting impact. His innovative patents and collaborations highlight his dedication to advancing technology and improving user experiences.