Toshihiko Yasuma

Title: Innovations of Toshihiko Yasuma

Introduction

Toshihiko Yasuma is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of optical disc technology and circuit modules. With a total of 2 patents, Yasuma's work reflects his dedication to advancing technology in practical applications.

Latest Patents

Yasuma's latest patents include a "Simplified optical disc writing apparatus making a host system process at least one part of a digital signal processing portion." This invention provides a simplified optical disc writing apparatus that connects to a host system, allowing for various digital signal processing tasks to be performed using software. The process involves picking up a signal from a first optical disc, amplifying it, and converting it into a binary coded signal that is processed by the host system. The software handles EFM demodulation, decoding, encoding user data, and EFM modulation, ultimately enabling data writing onto a second optical disc.

Another significant patent is the "Shielded circuit module with terminal pins arrayed on four sides." This circuit module consists of one or more semiconductor parts mounted on a substrate, with terminals arranged around the substrate's periphery. This design allows for easy electrical and mechanical connections to a computer board, enhancing the module's usability in various applications.

Career Highlights

Yasuma is currently employed at Mitsumi Electric Company Ltd., where he continues to innovate and develop new technologies. His work has had a lasting impact on the industry, particularly in the areas of optical disc technology and circuit design.

Collaborations

Throughout his career, Yasuma has collaborated with notable colleagues, including Richard G. Geiger and Yoshiyuki Kato. These partnerships have contributed to the successful development of his inventions and have fostered a collaborative environment for innovation.

Conclusion

Toshihiko Yasuma's contributions to technology through his patents and work at Mitsumi Electric Company Ltd. highlight his role as a significant inventor in the field. His innovative designs continue to influence advancements in optical disc technology and circuit modules.