Toshiyuki Yamada

Title: Innovations of Toshiyuki Yamada

Introduction

Toshiyuki Yamada is a notable inventor based in Hadano, Japan. He has made significant contributions to the field of printing technology, holding a total of four patents. His work focuses on enhancing the efficiency and quality of color printing systems.

Latest Patents

One of Yamada's latest patents is a color printing apparatus. This apparatus includes a printer driver that receives print instructions and rasterizes print data to produce both con-tone/multi-bits and bi-tone/single-bit bitmap data. It features a page memory that independently stores these bitmap data types and a control unit that converts them into print data formats. Additionally, an output control unit synthesizes the print data for output to a color printing unit, effectively reducing the data amount of the bitmap data. Another significant patent is for an image output device that utilizes a test chart for tone correction. This device includes test charts patterned in a checkered design, which helps in calculating tone correction values based on visual data.

Career Highlights

Yamada has worked with prominent companies in the printing industry, including Ricoh Printing Systems, Ltd. and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in developing innovative printing solutions.

Collaborations

Throughout his career, Yamada has collaborated with notable colleagues such as Naoyuki Urata and Tuneo Imai. These partnerships have fostered a creative environment that has led to advancements in printing technology.

Conclusion

Toshiyuki Yamada's contributions to the field of printing technology through his patents and collaborations highlight his innovative spirit and dedication to improving color printing systems. His work continues to influence the industry and inspire future advancements.