Location History:
- Fujisawa, JA (1977 - 1978)
- Fujisawa, JP (1979 - 1981)
Company Filing History:
3 out of 681 
1 out of 2,916 
1 out of 522 Years Active: 1977-1981
Title: Shigeru Asakawa: Pioneering Innovations in Security Communication Systems
Introduction
Shigeru Asakawa, a prominent inventor based in Fujisawa, Japan, has made significant contributions to the field of security communication systems. With a total of four patents to his name, Asakawa's inventions reflect his dedication to enhancing the security and reliability of communication technologies.
Latest Patents
Among his latest innovations, Asakawa developed a groundbreaking security communication system that features a transmission apparatus incorporating a scrambling circuit. This circuit scrambles information signals using a specific code, while the reception apparatus includes a deciphering circuit that effectively decodes the output signal, maintaining security throughout the communication process.
Another notable patent involves a security communication system utilizing polarity inversion. This system is designed to protect original voice signals by employing various circuits for sampling, inverting, and restoring signals, ensuring reliable transmission even during non-voice intervals.
Career Highlights
Throughout his career, Shigeru Asakawa has worked with influential companies such as Tokyo Shibaura Electric Co., Ltd. and Tokyo Shibaura Denki Kabushiki Kaisha, where he was able to apply his innovative ideas and engineering expertise. His work at these organizations has been foundational in the development of advanced communication technologies.
Collaborations
Shigeru Asakawa has collaborated with notable professionals in his field, including Fumio Sugiyama and Makoto Nakamura. Their collective efforts have contributed to the progress and refinement of security communication systems, ensuring a robust development process for Asakawa's patents.
Conclusion
Shigeru Asakawa's impressive portfolio of patents showcases his innovative spirit and commitment to enhancing security in communication technologies. His contributions have not only advanced the field but also provided a foundation for future innovations, making him a significant figure in the world of inventors.