This inventor holds 11 USPTO granted patents, plus 4 CIPO patents and 4 EPO patents. Top assignees: Ntt Docomo, Inc., Ntt Mobile Communications Network, Inc.. Active years: 1997-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokosukashi, JP (1998)
- Yokosuka, JP (1997 - 2006)
- Yokohama, JP (1999 - 2012)
Company Filing History:
Years Active: 1997-2012
Title: Tatsuaki Wakabayashi: Innovator in Mobile Communication Technology
Introduction
Tatsuaki Wakabayashi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of mobile communication technology, holding a total of 11 patents. His innovative work has paved the way for advancements in content access and storage systems.
Latest Patents
Wakabayashi's latest patents include a system for restricting content access and storage. This system involves the use of a UIMID of a UIM owned by the owner of a portable phone, which is stored in an owner information registration area of the phone. A CPU of the portable phone compares the UIMID of a UIM inserted in the phone to the UIMID registered in the owner information registration area. The storing of content in nonvolatile memory is permitted only when the two UIMIDs match. Another notable patent is an authentication method, communication apparatus, and relay apparatus. This invention includes a Gateway server that clocks the precise present time, and a portable phone that performs packet communication through the gateway server and an IP server. The portable phone acquires time information from the gateway server at the start of communication with the IP server and corrects its own clock based on this information. Additionally, it decodes a public key certificate using the public key of the Certificate Office and checks its validity period using the corrected present time.
Career Highlights
Wakabayashi has worked with notable companies such as NTT Docomo, Inc. and NTT Mobile Communications Network, Inc. His experience in these organizations has greatly influenced his innovative contributions to mobile technology.
Collaborations
Throughout his career, Wakabayashi has collaborated with esteemed colleagues, including Masaaki Yoshimi and Kiyohito Nagata. These partnerships have fostered a creative environment that has led to groundbreaking advancements in the field.
Conclusion
Tatsuaki Wakabayashi's contributions to mobile communication technology are noteworthy and impactful. His innovative patents and collaborations have significantly advanced the industry, showcasing his expertise and dedication to innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile