Company Filing History:
2 out of 5,229 
1 out of 4 
1 out of 2,333 
Years Active: 2006-2007
Title: Innovations of Tadashi Kotani
Introduction
Tadashi Kotani is a notable inventor based in Tottori, Japan. He has made significant contributions to the field of antenna technology, holding a total of 2 patents. His work has been instrumental in advancing the design and functionality of antennas used in various electronic devices.
Latest Patents
Kotani's latest patents include an innovative antenna unit and a watch equipped with this antenna unit. In one of his antenna units, a non-electrically conductive resin layer is provided on a core portion made of electrically conductive material, with a coil wound around the layer. This antenna unit is designed to be housed in the band attaching portion of a watch case, while the watch module is contained within the watch case. In another design, the core portion and the winding portion are arranged within a cover case, featuring openings in the side walls that allow parts of the winding portion to be exposed. The winding portion, along with the core portion, is supported by adhesive portions that secure it to the inner surface of the cover case. Additionally, his antenna design includes an elongate laminated core housed in a core case with electrical insulating properties, featuring a coil wound around the core. This design utilizes thin plates of amorphous soft magnetic alloy, which are laminated together to enhance performance.
Career Highlights
Throughout his career, Kotani has worked with prominent companies such as Casio Computer Co., Ltd. and Hitachi Ferrite Electronics, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Kotani has collaborated with notable coworkers, including Narutoshi Minami and Takashi Sano. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Tadashi Kotani's contributions to antenna technology exemplify the spirit of innovation. His patents reflect a deep understanding of materials and design, paving the way for advancements in electronic devices. His work continues to influence the industry and inspire future inventors.