Company Filing History:
5 out of 90,594 
1 out of 4,800 
1 out of 7 
Years Active: 1989-2003
Title: Hajime Yoshida: Innovator in Printing Technology
Introduction
Hajime Yoshida is a notable inventor based in Yokohama, Japan, recognized for his contributions to printing technology. With a total of seven patents to his name, he has made significant advancements in the field, particularly in improving printer performance and efficiency.
Latest Patents
One of his latest patents focuses on correcting variations in ink discharge velocity in printers. This innovative method involves printing a test pattern and adjusting the printing position shift based on the ink discharge velocity. The printer prints multiple identical adjustment patterns while varying the printhead scanning speed. By visually comparing these patterns, the highest quality one is selected, and this selection is communicated to the printer. The printer then stores the necessary ink discharge velocity in non-volatile memory (NVRAM) and calculates the correction amount for the printing position shift accordingly. Another significant patent involves a method for preparing alkenyl-substituted aromatic hydrocarbons. This method utilizes alkenylation of an aromatic hydrocarbon with an olefin, employing a β-diketone and a rhodium complex catalyst in the presence of oxygen.
Career Highlights
Hajime Yoshida has worked with prominent companies such as Canon and Fuji Electric. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in printing technology.
Collaborations
Throughout his career, he has collaborated with notable colleagues, including Makoto Kashimura and Toshiyuki Onishi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Hajime Yoshida's work exemplifies the spirit of innovation in the printing industry. His patents reflect a commitment to enhancing printer technology and improving user experience. His contributions continue to influence the field and inspire future advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.