This inventor holds 34 USPTO granted patents and 1 EPO patent, primarily in Power Supply Control. Top assignees: Sumitomo Electric Industries, Limited, Sumitomo Wiring Systems, Limited, Autonetworks Technologies, Limited. Active years: 1978-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Osaka, JP (1978 - 1998)
- Mie, JP (2006)
- Nagoya, JP (2002 - 2007)
- Yokkaichi, JP (2009 - 2011)
Company Filing History:
26 out of 10,641 
14 out of 6,420 
9 out of 2,278 
Years Active: 1978-2011
Areas of Expertise:
Title: Innovations in Power Supply Management by Isao Isshiki
Introduction
Isao Isshiki, a noted inventor based in Nagoya, Japan, has made significant contributions to the field of power supply management with a remarkable portfolio of 34 patents. His innovative designs focus on enhancing the efficiency and performance of power electronics, particularly in semiconductor devices and controllers.
Latest Patents
Among his latest patents, Isshiki's work on a power supply controller is particularly noteworthy. This invention describes a gate driver that performs normal charging operations for a power MOSFET by relying solely on a charge pump when a low-level control signal (ON signal) is received during a normal operating state. However, in the event of a load anomaly, which is identified by the load current exceeding a specific threshold, an urgent charge FET and the charge pump are activated to enable rapid charging. Another significant patent he developed involves a voltage-dividing circuit formed of serially connected resistors. This circuit is strategically placed between the source terminal of a power MOSFET and the ground. It applies divided voltages to the input terminals of comparators to enhance operational stability and responsiveness in various conditions.
Career Highlights
Throughout his career, Isao Isshiki has been associated with reputable companies such as Sumitomo Electric Industries, Limited and Sumitomo Wiring Systems, Limited. His tenure with these firms allowed him to work on advanced semiconductor technologies and power management solutions that are crucial in today's electronics industry.
Collaborations
Isao has collaborated with distinguished coworkers like Takahiro Onizuka and Takao Nozaki, contributing to various projects that advance the field of electrical engineering. These partnerships have fostered a collaborative environment, promoting innovation and knowledge sharing among experts in the industry.
Conclusion
Isao Isshiki's inventive prowess and dedication to improving power supply management continue to impact the semiconductor industry significantly. His extensive patent portfolio underscores his role as a leading inventor in this essential technological field, paving the way for future advancements in power electronics.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile