Location History:
- Tokyo, JP (1988 - 2013)
- Princeton, NJ (US) (2014)
- Chiba, JP (2014)
Company Filing History:
14 out of 35,705 
4 out of 718 
1 out of 1 Years Active: 1988-2014
Title: Tsutomu Tajima: Innovator in Signal Processing Technologies
Introduction
Tsutomu Tajima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of signal processing, holding a total of 17 patents. His work focuses on developing advanced technologies that enhance communication systems.
Latest Patents
Among his latest patents is a system for digital signal-to-signal beat noise reduction for filter-less coherent receiving systems. This innovation includes a filter-less coherent receiver frontend, a signal-signal beat-noise detector, and a real-time processor designed to reject signal-signal interference. Another notable patent involves chromatic dispersion compensation using sign operations and lookup tables. This method compensates for chromatic dispersion by applying filters to input data signals and outputting a compensated signal.
Career Highlights
Tsutomu Tajima has worked with notable companies such as NEC Corporation and NEC Laboratories America, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in signal processing.
Collaborations
Throughout his career, Tajima has collaborated with esteemed colleagues, including Philip N Ji and Ting Wang. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Tsutomu Tajima's contributions to signal processing technologies have established him as a key figure in the field. His innovative patents and collaborations continue to influence advancements in communication systems.