IDiyas

For the Inventor, By the Inventor

Yokohama, Japan

Tetsuhiko Hirata

USPTO Granted Patents = 16

Average Co-Inventor Count = 4.3

ph-index = 9

Forward Citations = 560(Granted Patents)


Location History:

  • Kawasaki, JP (1992)
  • Machida, JP (1991 - 1994)
  • Yokohama, JP (1997 - 2011)

Company Filing History:

goldMedal16 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 19 
 
Yagi Antenna Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1991-2011

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16 patents (USPTO):Explore Patents
1. 8077719 - Packet switching apparatus (2011-12-13),
2. 7404008 - Address translator and method for management of address translation rules (2008-07-22),
3. 7173932 - Packet switching apparatus (2007-02-06),
4. 7123599 - Mobile communication system (2006-10-17),
5. 7085579 - Mobile communication systems, mobile stations, base station controllers and packet data service nodes (2006-08-01),
6. 7009950 - Mobile IP network system and connection switching method (2006-03-07),
7. 6701132 - Mobile communication system, mobile station, and base station that calculates distance from mobile station (2004-03-02),
8. 5748893 - Network interface apparatus (1998-05-05),
9. 5727149 - Network interface apparatus and data transmission control method thereof (1998-03-10),
10. 5706430 - Method and system for sequentially broadcasting data according to (1998-01-06),
11. 5678060 - System for executing high speed communication protocol processing by (1997-10-14),
12. 5623606 - Communication control method and apparatus for performing high speed (1997-04-22),
13. 5345410 - Arithmetic-logic unit with modulo addition/substraction function and (1994-09-06),
14. 5303344 - Protocol processing apparatus for use in interfacing network connected (1994-04-12),
15. 5150365 - Communication system for coexistent base band and broad band signals (1992-09-22),

Title: The Innovative Mind of Tetsuhiko Hirata

Introduction

Tetsuhiko Hirata, an accomplished inventor hailing from Yokohama, Japan, has made significant contributions to the field of telecommunications. With a remarkable portfolio of 16 patents, his innovative work has paved the way for advancements in packet switching technology and address translation management.

Latest Patents

Hirata's latest patents showcase his expertise in enhancing network communications. One notable invention is the Packet Switching Apparatus, which operates as an access node, facilitating IP connection services for various access methods, such as low-speed IP, high-speed IP, and mobile networks. This innovation allows for cost-effective solutions and simplifies the upgrade process to advanced access networks and services. The access nodes he designed utilize a pathfinding table that ensures efficient routing of packets by matching them with relevant entries, thus optimizing network performance.

Another significant patent is the Address Translator and Method for Management of Address Translation Rules. This invention focuses on preventing misrouted packets by ensuring that only correct destination and source addresses are transmitted across networks. By using a discriminator to identify temporary addresses, the address translator prevents multiple issues that may arise during communications, enhancing overall network integrity.

Career Highlights

Throughout his career, Tetsuhiko Hirata has worked with esteemed organizations such as Hitachi, Ltd. and Yagi Antenna Co., Ltd. His roles at these companies have allowed him to apply his inventive talents to real-world challenges, positively impacting the telecommunications industry. His work continues to influence network technologies today.

Collaborations

Hirata has had the opportunity to collaborate with notable coworkers, including Tatsuya Yokoyama and Mika Mizutani. These partnerships have enabled a collaborative atmosphere that fosters creativity and innovation, allowing them to tackle complex technological challenges together.

Conclusion

Tetsuhiko Hirata's innovative spirit and dedication to improving telecommunications have resulted in significant advancements that benefit the industry. His 16 patents not only reflect his technical expertise but also his commitment to enhancing network communications for a more efficient future. As technology continues to evolve, Hirata's contributions will undoubtedly leave a lasting impact in the field.

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