This inventor holds 5 USPTO granted patents. Top assignees: Hitachi Ulsi Systems Co., Ltd., Renesas Technology Corp.. Active years: 2007-2010.
Company Filing History:
5 out of 336 
5 out of 3,781 
Years Active: 2007-2010
Title: Innovations of Atsushi Tachigami
Introduction
Atsushi Tachigami is a notable inventor based in Mito, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of five patents. His work focuses on enhancing the design and manufacturing processes of semiconductor devices.
Latest Patents
One of Atsushi Tachigami's latest patents involves a semiconductor device and a method of manufacturing the same. This semiconductor IC device features a circuit region and a peripheral region on the main surface of a semiconductor substrate. It includes a first insulating film formed over the main surface, with external terminals arranged in the peripheral region and formed over the first insulating film. A conductive guard ring is also incorporated, surrounding the external terminals. Additionally, second insulating films are formed in both the internal and peripheral regions, with the second insulating film in the peripheral region contacting the external terminals. The second insulating films of the circuit region and the peripheral region are separately formed and isolated from each other. A separate second insulating film may also be created over the wirings of one or more existing wiring levels of the semiconductor device.
Career Highlights
Atsushi Tachigami has worked with prominent companies in the semiconductor industry, including Renesas Technology Corporation and Hitachi ULSI Systems Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor device innovation.
Collaborations
Throughout his