Company Filing History:
2 out of 499 
1 out of 3,106 
1 out of 2,346 Years Active: 1990-1997
Title: The Innovative Journey of Katsuko Ohta
Introduction: Katsuko Ohta, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of lithographic printing and photopolymer technology. With a total of three patents to her name, she has been a trailblazer in her domain, showcasing her inventive spirit and expertise in developing advanced compositions and methods.
Latest Patents: Katsuko's latest patents highlight her innovative approach to lithographic processes. Her first notable invention is the "Light-sensitive lithographic printing plate utilizing o-quinone diazide." This invention comprises a support that has undergone graining and anodization treatments, coupled with a positive light-sensitive composition featuring an o-quinonediazide compound, an alkali-soluble resin, and a clathrate compound. This unique plate undergoes image exposure before being processed with a developing agent containing alkali metal silicate. Additionally, her "Photopolymerizable composition" showcases a formulation that includes an addition polymerizable ethylenically unsaturated compound combined with a specialized photopolymerization initiator system.
Career Highlights: Throughout her career, Katsuko Ohta has been affiliated with esteemed corporations that have fostered her innovative journey. She has worked with Mitsubishi Kasei Corporation and Konica Corporation, where she honed her skills and contributed to various research projects aimed at enhancing printing technologies.
Collaborations: Collaboration has been a key aspect of Katsuko’s career. Among her notable coworkers are Hideki Nagasaka and Katuhiko Higashino, who, alongside her, have played a pivotal role in advancing research and development in their respective fields.
Conclusion: Katsuko Ohta’s contributions to innovation in lithographic printing technology have established her as a significant figure in her field. Her inventive mindset and collaborative spirit continue to inspire future generations of inventors and researchers. As she moves forward, her work promises to pave the way for further advancements in technology and creativity.
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.