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For the Inventor, By the Inventor

Kawasaki, Japan

Takeshi Sakamoto

USPTO Granted Patents = 24 

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 174(Granted Patents)


Location History:

  • Kanagawa, JP (2002 - 2005)
  • Kawasaki, JP (2002 - 2022)

Company Filing History:

goldMedal24 out of 39,228 
 
Fujitsu Corporation
 patents

Years Active: 2002-2022

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24 patents (USPTO):
1. 11228822 - Transmission system, transmission device, and transmission method (2022-01-18),
2. 10904648 - Transmission system, transmission device, and transmission method (2021-01-26),
3. 9379822 - Optical receiving apparatus (2016-06-28),
4. 8971700 - Bidirectional monitor module, optical module, optical add-drop multiplexer, and optical system (2015-03-03),
5. 8879915 - Optical switching device, optical add device, and optical drop device (2014-11-04),
6. 8824902 - Optical receiver, method for receiving optical signal, and optical transmission system (2014-09-02),
7. 8818191 - Wavelength reallocation method and node device (2014-08-26),
8. 8712238 - Optical switching device and communications system (2014-04-29),
9. 8655185 - Optical node, optical network system, and method for measuring polarization mode dispersion (2014-02-18),
10. 8548321 - Optical transmission apparatus (2013-10-01),
11. 8213805 - Optical communication system, method of measuring optical transmission line in the optical communication system, transmitting station, and receiving station (2012-07-03),
12. 8102595 - Optical transmission system with optical amplifier gain setup based on difference between signal loss and noise light loss (2012-01-24),
13. 7831149 - Optical transmission device (2010-11-09),
14. 7756422 - Method for measuring optical characteristics and system thereof (2010-07-13),
15. 7286758 - Method for switching transmission route, and optical transmission device (2007-10-23),

Title: Innovator Takeshi Sakamoto: A Journey Through Transmission Technology

Introduction: Takeshi Sakamoto is an accomplished inventor based in Kawasaki, Japan, known for his innovative contributions in the field of transmission technology. With a remarkable portfolio that includes 24 patents, Sakamoto has made significant advancements in optical communication systems, thereby enhancing the efficiency and functionality of data transmission.

Latest Patents: Among his latest patents, Sakamoto has developed a groundbreaking “Transmission system, transmission device, and transmission method.” This innovative device features a first wavelength converter that efficiently converts a second wavelength-multiplexed signal from one wavelength band to another distinct band. It also includes a multiplexer that transmits a wavelength-multiplexed signal, incorporating both a first and second supervisory control signal light ray. Interestingly, these control signals operate at wavelengths different from the original bands, showcasing a sophisticated approach to managing multiple signals within optical networks.

Career Highlights: Takeshi Sakamoto has been integral to Fujitsu Corporation, where he has driven many of the company's innovations forward. His work blends cutting-edge technology with practical applications, underscoring his role in enhancing communications infrastructure and data transmission capabilities.

Collaborations: Throughout his career, Sakamoto has collaborated with several esteemed colleagues including Hiroaki Tomofuji and Motoyoshi Sekiya. These partnerships have fostered a creative environment that has led to novel solutions in the field of transmission technology, enhancing operational efficiencies and pushing the boundaries of existing protocols.

Conclusion: Takeshi Sakamoto remains a vital figure in the realm of transmission technology. His impressive array of patents reflects his innovative mindset and dedication to advancing optical communication systems. As technology continues to evolve, Sakamoto’s contributions will undoubtedly play a key role in shaping the future of data transmission.

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