Company Filing History:

9 out of 215

At&t Wireless Services, Inc.

patents

5 out of 184

Cingular Wireless Ii, LLC

Years Active: 1999-2015

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21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9088388 - Method for frequency division duplex communications (2015-07-21),

2. 8693432 - Method for frequency division duplex communications (2014-04-08),

3. 8594138 - Methods for in-band signaling through enhanced variable-rate codecs (2013-11-26),

4. 8305990 - Method for frequency division duplex communications (2012-11-06),

5. 7983310 - Methods for in-band signaling through enhanced variable-rate codecs (2011-07-19),

6. 7983217 - Method for frequency division duplex communications (2011-07-19),

7. 7450542 - Method for frequency division duplex communications (2008-11-11),

8. 7095708 - Methods and apparatus for use in communicating voice and high speed data in a wireless communication system (2006-08-22),

9. 7065165 - Automatic gain control methods and apparatus suitable for use in OFDM receivers (2006-06-20),

10. 6940933 - Apparatus and method for synchronization in a multiple-carrier communications system by observing a phase-frequency relationship of a plurality of pilot signals (2005-09-06),

11. 6930995 - Apparatus and method for synchronization in a multiple-carrier communication system by observing a plurality of synchronization indicators (2005-08-16),

12. 6853629 - Method for frequency division duplex communications (2005-02-08),

13. 6807147 - Methods and apparatus for use in obtaining frame synchronization in an OFDM communication system (2004-10-19),

14. 6768714 - Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication system (2004-07-27),

15. 6700866 - Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication system (2004-03-02),

Title: The Innovative Mind of Michael Hirano

Introduction

Michael Hirano, an inventive engineer based in Redmond, WA, has made significant contributions to the field of communications. With a remarkable portfolio of 21 patents, Hirano's innovative spirit is exemplified in his work on advanced communication methods that enhance the efficiency and reliability of wireless systems.

Latest Patents

Among Hirano's latest patents is a groundbreaking "Method for Frequency Division Duplex Communications." This invention enables high-quality PCS communications in environments where adjacent service bands present challenges due to out-of-band harmonics. The approach offers a highly bandwidth-efficient communication method that integrates time division duplex (TDD), frequency division duplex (FDD), time division multiple access (TDMA), orthogonal frequency division multiplexing (OFDM), spatial diversity, and polarization diversity. Notably, this method also allows for excellent fade resistance and empowers users to adjust their available bandwidth on demand by assigning additional TDMA slots during their sessions.

Career Highlights

Michael Hirano's professional journey includes pivotal roles at major telecommunications companies, including AT&T Wireless Services, Inc. and Cingular Wireless II, LLC. His work at these organizations has contributed significantly to the evolution of communication technologies, influencing both the industry and consumer experiences.

Collaborations

Throughout his career, Hirano has collaborated with talented professionals, including Hongliang Zhang and Gregory J. Veintimilla. These partnerships have facilitated the exchange of ideas and technological advancements, leading to the development of innovative communication solutions.

Conclusion

In summary, Michael Hirano stands out as a prominent inventor in the communications sector. His 21 patents reflect his commitment to innovation and excellence in technology. As wireless communication continues to evolve, Hirano's contributions are likely to play a crucial role in shaping the future of the industry.

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