This inventor holds 6 USPTO granted patents. Top assignees: Fujitsu Corporation, Nec Lcd Technologies, Ltd., Nlt Technologies, Ltd.. Active years: 1990-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanagawa, JP (2008)
- Kawasaki, JP (1990 - 2014)
Company Filing History:
3 out of 39,378 
2 out of 568 
1 out of 398 Years Active: 1990-2014
Title: Yuuichi Hasegawa and Inverter Safety Innovation.
Introduction
Yuuichi Hasegawa is an inventor based in Kawasaki, Japan. His work includes patenting technology for detecting voltage abnormalities in DC/AC inverter substrates. He is associated with Fujitsu Corporation and NEC LCD Technologies, Ltd. His patent portfolio includes 6 patents.
Latest Patents
Hasegawa’s listed latest patent is “DC/AC Inverter Substrate Having Voltage Abnormality Detector Circuit.” The invention describes a detector circuit with high-voltage-side, low-voltage-side, and combined high- and low-voltage detection sensors. These sensors are arranged without electrical connection to the transformer’s secondary side or to a connection point. This configuration is intended to protect the sensors from damage by preventing overvoltage from reaching the detector circuit during abnormal discharge.
Career Highlights
Hasegawa’s listed work connects him with Fujitsu Corporation and NEC LCD Technologies, Ltd. His patent on inverter voltage-abnormality detection highlights an engineering approach focused on protecting sensing components during electrical faults.
Collaborations
Hidetake Suzuki is identified as Hasegawa’s coworker.
Conclusion
Yuuichi Hasegawa’s patent work includes a DC/AC inverter detector design intended to improve sensor protection during abnormal discharge, reflecting his contributions to electrical and electronic technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile