This inventor holds 7 USPTO granted patents. Top assignees: Canon Kabushiki Kaisha, Fuji Electric Co., Ltd., Nippon Mitsubishi Oil Corporation. Active years: 1989-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
5 out of 93,085 
1 out of 4,826 
1 out of 84 
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile