Company Filing History:
3 out of 768 
2 out of 3,192 
1 out of 630 Years Active: 2004-2015
Title: **Hiroshi Katsube: Innovating the Future of Ink Technology**
Introduction
Hiroshi Katsube, an inventive mind based in Tokyo, Japan, has made significant contributions to the field of ink technology. With a portfolio that boasts four patents, he has established himself as a key innovator, particularly in the realm of aqueous pigments and their applications in ink-jet recording.
Latest Patents
Hiroshi's latest inventions focus on the development of an aqueous pigment liquid dispersion and ink-jet recording ink. These innovations not only aim to enhance the preservation stability of printed images but also improve their luster and light fastness. His aqueous pigment liquid dispersion comprises C. I. pigment green 36, a styrene-acrylic acid type copolymer, a basic compound, and a wetting agent. The copolymer, consisting of at least 60% styrene-based monomer units, meets specific criteria in terms of acid value and molecular weight. Additionally, he has created a green pigment intended for color filters that offers a wide color reproduction range and high transmittance, which is essential for modern liquid crystal panels.
Career Highlights
Throughout his career, Hiroshi has worked with renowned companies such as Dic Corporation and Dai Nippon Printing Co., Ltd. His experience in these firms has not only helped to sharpen his innovative skills but also positioned him at the forefront of ink technology advancements.
Collaborations
In his journey toward innovation, Hiroshi has collaborated with notable coworkers like Arata Kudou and Eiichi Kiuchi. These partnerships have fostered a creative environment that drives the development of cutting-edge technologies where their combined expertise enhances each project.
Conclusion
Hiroshi Katsube stands out as a prominent inventor whose work in the field of ink technology is paving the way for future innovations. With his recent patents and collaborations, he continues to make strides that could redefine how we view and utilize inks in various applications. His commitment to improving the quality and efficiency of ink-jet recording illustrates the impact an inventor can have within the industry.
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.