Location History:
- Itami, JP (1994)
- Hyogo, JP (1991 - 1997)
Company Filing History:
6 out of 6,896 
3 out of 55 
2 out of 5 Years Active: 1991-1997
Title: Yasuhiro Nishida: Innovator in Chemical Production
Introduction
Yasuhiro Nishida is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of chemical production, holding a total of 6 patents. His innovative methods have advanced the synthesis of important chemical compounds.
Latest Patents
Nishida's latest patents include a method for producing 1,4-dihydroxy-2-naphthoic acid. This method involves subjecting 1,4-dihydroxynaphthalene to an alkali metal salt formation reaction in an organic medium, followed by carboxylation using carbon dioxide gas. Another notable patent is for producing 2,6-dihydroxybenzoic acid. This process entails heating an aqueous solution containing a mixture of 2,6-dihydroxybenzoic acid and 2,4-dihydroxybenzoic acid, selectively decomposing the latter, and separating the desired product.
Career Highlights
Throughout his career, Yasuhiro Nishida has worked with reputable companies such as Sumitomo Chemical Company, Limited and Sumika Fine Chemicals Co., Ltd. His work in these organizations has allowed him to develop and refine his innovative techniques in chemical production.
Collaborations
Nishida has collaborated with notable coworkers, including Toshio Nakamatsu and Norio Kometani. These partnerships have contributed to the advancement of his research and the successful implementation of his patented methods.
Conclusion
Yasuhiro Nishida's contributions to chemical production through his innovative patents have made a significant impact in the field. His work continues to influence the industry and inspire future innovations.