This inventor holds 11 USPTO granted patents. Top assignees: Hitachi, Ltd., Asahi Chemical Research Laboratory Co., Ltd., Kasei Optonix, Ltd.. Active years: 1977-1991.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hachioji, JA (1977 - 1978)
- Hachioji, JP (1980)
- Higashiyamato, JP (1983 - 1989)
- Higasiyamato, JP (1990 - 1991)
Company Filing History:
7 out of 42,731 
4 out of 10 
2 out of 87 
Years Active: 1977-1991
Title: Innovations of Yoichi Oba in Electromagnetic Wave Shielding
Introduction
Yoichi Oba is a notable inventor based in Higashiyamato, Japan, recognized for his significant contributions to the field of electromagnetic wave shielding. With a total of 11 patents to his name, he has made remarkable advancements, particularly in the development of materials and circuits designed to combat electromagnetic interference.
Latest Patents
Among his latest patents, Oba has developed an innovative electromagnetic wave shielding composition that incorporates epoxy resin. His patent details an electromagnetic wave shielding circuit, which comprises a base board and an electric circuit formed on it. This circuit features an electrically isolating coating applied over the electric circuit, a layer containing copper particles that is hardened by heating, and a copper plating layer on the surface to discharge electromagnetic wave currents. The unique composition of the coating contains 100% by weight of copper particles mixed with 12%-25% by weight of epoxy resin, effectively enhancing its performance in electromagnetic wave shielding.
Career Highlights
Throughout his career, Yoichi Oba has worked with esteemed companies such as Hitachi, Ltd. and Asahi Chemical Research Laboratory Co., Ltd. These experiences have equipped him with the knowledge and expertise essential for driving innovation in electromagnetic technologies.
Collaborations
In his professional journey, Oba has collaborated with fellow innovators like Yamahiro Iwasa and Isao Morooka. These partnerships have fostered a collaborative environment that has yielded groundbreaking advancements in his field of expertise.
Conclusion
In summary, Yoichi Oba stands out as an inventor dedicated to advancing technology in electromagnetic wave shielding. With a focused approach to innovation, his patents not only showcase his technical skills but also his commitment to addressing modern challenges in electromagnetic interference. His legacy continues to inspire future developments in this critical area of technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile