Location History:
- Takatsuki, JP (1989 - 1991)
- Suita, JP (1995)
- Osaka, JP (1993 - 2003)
Company Filing History:
6 out of 1,332 
3 out of 236 
2 out of 456 
Years Active: 1989-2003
Title: Innovations of Yoshihiro Arita
Introduction
Yoshihiro Arita is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of ink jet recording materials and petroleum refining. With a total of 11 patents to his name, Arita's work showcases his expertise and innovative spirit.
Latest Patents
Arita's latest patents include a coating agent for ink jet recording materials and an ink jet recording material itself. The first patent provides an ink jet recording material that displays sufficient water resistance and excellent definition of initial images. This invention includes a first coating agent comprising an aqueous polymer with a carboxyl group and a water-soluble polymer with an oxazoline group as a crosslinking agent. The second coating agent also comprises a polymer and a crosslinking agent, where the polymer contains both a structural unit formed by ring-opening polymerization of an oxazoline compound and a carboxyl group. The resulting ink jet recording material features a coated and cured layer of these agents, ensuring high water resistance and exceptional image quality. Additionally, Arita has developed a process for presulfurizing a desulfurization catalyst used in a hydrodesulfurization unit of a petroleum refinery. This process involves sulfurizing fresh metal oxide in the catalyst with hydrogen sulfide produced from sulfur-containing compounds in the feed stream, using a mercapto alkylthio group as a promoter.
Career Highlights
Throughout his career, Arita has worked with notable companies such as Nippon Shokubai Co., Ltd. and Nippon Shokubai Kagaku Kogyo Co., Ltd. His work in these organizations has contributed to advancements in chemical engineering and materials science.
Collaborations
Arita has collaborated with esteemed colleagues, including Kiyoshi Kawamura and Yoshikuni Mori. These partnerships have fostered innovation and the development of new technologies in their respective fields.
Conclusion
Yoshihiro Arita's contributions to the fields of ink jet technology and petroleum refining highlight his innovative capabilities and dedication to advancing technology. His patents reflect a commitment to improving material performance and efficiency in industrial applications.