This inventor holds 9 USPTO granted patents and 2 published patent applications. Top assignee: Rohm Co., Ltd.. Active years: 2001-2012.
Company Filing History:
Years Active: 2001-2012
Title: Innovations of Yoshiyuki Hojo
Introduction
Yoshiyuki Hojo is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of power supply systems and semiconductor devices. With a total of 9 patents to his name, Hojo's work has had a considerable impact on modern technology.
Latest Patents
Hojo's latest patents include a switching power supply and a portable device. The switching power supply features a switching element connected to a power supply voltage that performs ON and OFF operations. It also includes a control circuit, a coil, and a capacitor that performs a rectifying operation with the coil. An oscillator outputs a signal to the control circuit, while a first comparator compares a current detection voltage with a feedback voltage. Additionally, a second comparator compares a deep threshold voltage with the feedback voltage. This design introduces a Deep Simple Light Load Mode control to enhance efficiency in light or no-load conditions, alongside PWM mode for heavy loading.
Another notable patent is a semiconductor integrated circuit device and regulator. This device comprises a semiconductor chip, a first frame lead, and a second frame lead. The semiconductor chip includes common-base transistors and pads connected to the respective emitters and collectors of these transistors. The structure allows for easy detection of any breaking of the bonding wires connected in parallel, showcasing Hojo's innovative approach to semiconductor design.
Career Highlights
Yoshiyuki Hojo is currently employed at Rohm Co., Ltd., a leading company in the semiconductor industry. His work at Rohm has allowed him to collaborate with other talented engineers and inventors, further advancing the field of electrical engineering.
Collaborations
Some of Hojo's notable coworkers include Yoshihisa Hiramatsu and Hirotaka Nakabayashi. Their collaborative efforts have contributed to the successful development of various innovative technologies.
Conclusion
Yoshiyuki Hojo's contributions to the field of electrical engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in power supply systems and semiconductor devices, making a lasting impact on technology.