Location History:
- Kanagawa, JP (2010 - 2017)
- Ibaraki, JP (2018)
Company Filing History:
2 out of 7,533 
1 out of 2,467 
Years Active: 2010-2018
Title: Hiroyasu Kitajima: Innovator in Semiconductor Technology
Introduction
Hiroyasu Kitajima is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His innovative work has paved the way for advancements in semiconductor devices and manufacturing methods.
Latest Patents
One of Kitajima's latest patents is a semiconductor device and method of manufacturing a semiconductor device. This invention features a pair of floating gates spaced apart by a first distance, along with a pair of spacer insulating films on each floating gate in a memory region. Additionally, a second pair of floating gates is spaced apart by a smaller second distance in a monitor region. This design allows for the creation of a tapered portion on the side surface of the floating gate in the monitor region, enabling the assessment of the floating gate's shape in the memory region.
Another notable patent is for a semiconductor device that includes a crack-resisting ring structure and its manufacturing method. This device comprises an interlayer insulating layer over a semiconductor substrate, which contains multiple wiring layers. A seal ring surrounds the circuit region of the semiconductor substrate, while a crack lead ring surrounds the seal ring. The protective film covers both the crack lead ring and the seal ring, ensuring the integrity of the device.
Career Highlights
Hiroyasu Kitajima has worked with leading companies in the semiconductor industry, including Renesas Electronics Corporation and NEC Electronics Corporation. His experience in these organizations has contributed to his expertise and innovative capabilities in semiconductor technology.
Collaborations
Throughout his career, Kitajima has collaborated with notable colleagues, including Hiroshi Furuta and Toshikatsu Jinbo. These partnerships have fostered a creative environment that has led to significant advancements in their field.
Conclusion
Hiroyasu Kitajima's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in technology.