Location History:
- Machida, JP (1991 - 1997)
- Sagamihara, JP (1997 - 2004)
Company Filing History:
Years Active: 1991-2004
Title: Tatsuya Yokoyama: Innovator in ATM Technology
Introduction
Tatsuya Yokoyama is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of asynchronous transfer mode (ATM) technology, holding a total of 8 patents. His work focuses on enhancing the efficiency and functionality of ATM controllers and communication devices.
Latest Patents
Yokoyama's latest patents include an ATM controller and an ATM communication control device. The ATM controller he developed supports the setting or alteration of protocol processing, significantly reducing the software processing load. It performs the processing of both the ATM layer and the AAL layer between a terminal and an ATM network. The controller features cell transmit control means for transferring packets from the terminal to the ATM network while segmenting them into data cells. Additionally, it includes cell reception control means for reassembling data cells received from the ATM network back into packets for the terminal. The device is equipped with a rewritable memory for firmware storage and a microprocessor for cell analysis and processing.
Another notable patent is the asynchronous transfer mode controller, which includes a buffer memory and a transfer circuit that manages packet data transfer between the buffer memory and an internal memory of an associative terminal unit. This controller allows for the subdivision of data blocks into data cells for transmission to the ATM network and reconstructs received data cells into predetermined length data blocks. The design accommodates various setup configurations and alterations in ATM protocol processing.
Career Highlights
Tatsuya Yokoyama is currently employed at Hitachi, Ltd., where he continues to innovate in the field of ATM technology. His work has been instrumental in advancing the capabilities of ATM systems, making them more efficient and adaptable to changing requirements.
Collaborations
Yokoyama has collaborated with notable colleagues, including Mika Mizutani and Tetsuhiko Hirata. Their combined expertise has contributed to the successful development of advanced ATM technologies.
Conclusion
Tatsuya Yokoyama's contributions to ATM technology through his innovative patents and collaborations highlight his role as a key figure in the field. His work continues to influence the development of efficient communication 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.