This inventor holds 4 USPTO granted patents. Top assignees: The Tokyo Electric Power Company, Incorporated, Mitsubishi Denki Kabushiki Kaisha, Tokyo Shibaura Electric Co., Ltd.. Active years: 1976-1978.
Location History:
- Ebina, JA (1976)
- Chofu, JA (1977)
- Chofu, JP (1978)
Company Filing History:
4 out of 177 
3 out of 21,351 
1 out of 681 
Years Active: 1976-1978
Title: Yotsuo Ishida: Innovator in Electric Discharge Technology
Introduction
Yotsuo Ishida is a notable inventor based in Chofu, Japan. He has made significant contributions to the field of electric discharge technology, holding a total of 4 patents. His innovative designs have paved the way for advancements in various electrical applications.
Latest Patents
Ishida's latest patents include a discharge gap device that features two trigger electrodes insulatingly extended through one of two main opposite electrodes. These electrodes are connected to both ends of a secondary winding of a current transformer. A voltage is applied across the main electrodes, and a trigger pulse is supplied to the trigger electrodes through the current transformer to initiate an electric discharge across the main electrodes. Another patent describes a discharge gap device with two main toroidal electrodes supported by individual support plates. A rod-shaped consumable electrode is disposed on one of the support plates, extending through the central opening of the toroidal electrode and terminating within the central opening of the other toroidal electrode. All electrodes are higher in electric resistivity than the support plates and may be formed of carbon.
Career Highlights
Throughout his career, Yotsuo Ishida has worked with prominent companies such as Tokyo Electric Power Company and Mitsubishi Electric Corporation. His experience in these organizations has contributed to his expertise in electric discharge technologies.
Collaborations
Ishida has collaborated with notable coworkers, including Hiroshi Kuwahara and Hajime Matsumura. Their combined efforts have led to advancements in the field and have fostered a collaborative environment for innovation.
Conclusion
Yotsuo Ishida's contributions to electric discharge technology through his patents and collaborations highlight his role as a significant inventor in this field. His work continues to influence advancements in electrical applications.