Company Filing History:
Years Active: 1999-2001
Title: Masahiko Yamaguchi: Innovator in Fingerprint Technology
Introduction
Masahiko Yamaguchi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of fingerprint technology, holding a total of four patents. His work focuses on enhancing the reliability and security of fingerprint registration and identification systems.
Latest Patents
Yamaguchi's latest patents include a fingerprint registering method and a fingerprint checking device. The fingerprint registering method improves the reliability and simplicity of registering fingerprints by indicating the quality of a fingerprint image through the number of pseudo minutiae. This innovation enhances the security of entrance and exit control systems by accurately detecting the direction of ridge lines in fingerprints. Additionally, it allows for the collection of renewed registered fingerprint data by a host device, ensuring that the latest fingerprint data is maintained for each gate. The method also improves operability by enabling the use of shorter identification numbers and automatically applies spatial filtering to achieve a high match rate during re-registration.
Another significant patent is the fingerprinting judging method, which focuses on renewing dictionary image data in fingerprint identification devices. This method shortens dictionary identification time and maintains the dictionary images in optimal condition. It also improves the identification rate by registering and identifying multiple dictionaries, while preventing continuous identification rejections and misjudgments in fingerprint identification.
Career Highlights
Masahiko Yamaguchi is associated with Fujitsu Denso Ltd., where he has been instrumental in developing advanced fingerprint technologies. His innovative approaches have led to significant advancements in the security and efficiency of fingerprint identification systems.
Collaborations
Yamaguchi has collaborated with notable colleagues, including Mitsunobu Okazumi and Hiroyuki Souno. Their combined expertise has contributed to the success of various projects in the field of fingerprint technology.
Conclusion
Masahiko Yamaguchi's contributions to fingerprint technology have established him as a key figure in the industry. His innovative patents continue to enhance the security and efficiency of fingerprint registration and identification systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.