This inventor holds 11 USPTO granted patents. Top assignees: Nec Corporation, Tdk Electronics Company, Limited, Nec Electronics Corporation. Active years: 1983-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Komoro, JP (1983 - 1986)
- Tokyo, JP (1983 - 2004)
Company Filing History:



Years Active: 1983-2004
Title: Yutaka Nakashima: Innovator in Defect Inspection and Fingerprint Verification
Introduction
Yutaka Nakashima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of defect inspection and fingerprint verification. With a total of 11 patents to his name, Nakashima's work has advanced quality assurance and security technologies.
Latest Patents
Nakashima's latest patents include a defect inspection method and apparatus designed to accurately determine whether potential defects on the surface of a wafer are true defects. This innovative method restrains the oversight of defects, allowing for reliable quality assurance and accurate quality control. The process involves capturing the surface of a wafer using a differential interference microscope, processing the image to count potential defects, and applying a spatial filter to enhance areas of luminance shifts. This technique enables the detection of adjoining potential defects without overlapping. Additionally, he has developed a fingerprint verification system that verifies input fingerprint data against pre-registered reference fingerprint data, enhancing security measures.
Career Highlights
Throughout his career, Nakashima has worked with notable companies such as NEC Corporation and TDK Electronics Company, Limited. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Nakashima has collaborated with talented individuals in his field, including Kazunaga Yoshida and Yoshikazu Ikebata. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Yutaka Nakashima's contributions to defect inspection and fingerprint verification demonstrate his commitment to innovation and quality. His patents reflect a deep understanding of technology and its applications in real-world scenarios.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile