Location History:
- Yokohama, JA (1977)
- Yokohama, JP (1980 - 1988)
- Hiratsuka, JP (1992 - 1998)
Company Filing History:
20 out of 42,508 
3 out of 152 
1 out of 13 
Years Active: 1977-1998
Title: The Innovations of Keiro Shinkawa: A Pioneer in Digital Signal Technology
Introduction
Keiro Shinkawa is an influential inventor based in Yokohama, Japan, recognized for his significant contributions to the field of digital signal technology. With a remarkable portfolio of 21 patents, Shinkawa has played a crucial role in enhancing the transmission and reception of digital video signals, which has led to more efficient communication systems.
Latest Patents
Among his recent innovations, Shinkawa developed a patent for a digital signal transmission system that incorporates priority information forcing. This system boasts the ability to transmit highly efficient compressed digital video signals while simultaneously allowing emergency information to be displayed. The system employs a multiplexer to mix digital video signals with a digital information signal that includes N-level priority information. This innovation allows the receiver to determine when to display the emergency text alongside the video images without the need to decode the digital video signals on the transmitter side.
Another notable patent is for a sync signal generator designed for television receivers in vehicles. This generator includes a phase reset detector that minimizes phase fluctuations caused by issues such as ghosting or fading phenomena. As a result, the sync signal remains stable and synchronized with the input signal, enhancing the viewing experience while on the road.
Career Highlights
Shinkawa has achieved significant milestones throughout his career, particularly during his tenure at Hitachi, Ltd. and Hitachi Automotive Engineering Co., Ltd. His work has not only advanced technological capabilities but has also substantially influenced how digital signals are processed and transmitted in various media.
Collaborations
Throughout his career, Shinkawa has collaborated with other eminent professionals, including Chuichi Sodeyama and Tsutomu Noda. These collaborations have undoubtedly enriched his research and development experiences, leading to groundbreaking innovations that benefit both consumers and industries alike.
Conclusion
Keiro Shinkawa's contribution to digital signal technology exemplifies the spirit of innovation and invention. His patents remain crucial in the evolution of communication systems, ensuring that technology continues to meet the demands of modern society. The advancements he has introduced reflect not only his expertise but also his dedication to enhancing the quality and efficiency of digital signal transmission.