This inventor holds 2 USPTO granted patents. Top assignees: Sumika Fine Chemicals, Co.,ltd., Sumitomo Chemical Company, Limited. Active years: 2001-2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Osaka, JP (2001)
- Osaki, JP (2008)
Company Filing History:
1 out of 55 
1 out of 6,965 Years Active: 2001-2008
Title: Innovations by Taichi Yoshikawa: A Journey Through His Patents
Introduction
Taichi Yoshikawa, an accomplished inventor based in Osaki, Japan, has made significant contributions to the field of chemical processes through his patent work. With a total of two patents to his name, Yoshikawa has focused on advancing methods of crystal precipitation and the preparation of specialized chemical compounds.
Latest Patents
His latest innovations include two notable patents. The first patent involves methods of crystal precipitation, specifically for paroxetine hydrochloride β-hydrate. This method allows for the separation of crystals by adding water to a solution or suspension that contains paroxetine hydrochloride and a polar organic solvent, ensuring that the water content is adjusted to at least 70% by weight. Remarkably, the resultant crystals are not colored in pink and can also form in the presence of hydrogen chloride during the precipitation process.
The second patent centers on an L-tartrate of a trans-(-)-4-(4-fluorophenyl)-3-hydroxymethylpiperidine compound. This compound, represented by a specific chemical formula, showcases Yoshikawa's expertise in synthesizing complex chemical structures.
Career Highlights
Throughout his career, Taichi Yoshikawa has been associated with prominent organizations, including Sumitomo Chemical Company, Limited, and Sumika Fine Chemicals Co., Ltd. His work within these companies has allowed him to refine his skills and develop innovative solutions, particularly in the chemical engineering sector.
Collaborations
Yoshikawa's journey is also marked by fruitful collaborations with esteemed colleagues, including Shigeya Yamazaki and Taro Ishibashi. These professional relationships have facilitated knowledge exchange and contributed to the successful development of his patented technologies.
Conclusion
In summary, Taichi Yoshikawa exemplifies the spirit of innovation in the chemical domain through his methodical approach to crystal precipitation and compound preparation. His patents not only reflect his creativity but also his commitment to advancing chemical processes. As he continues to contribute to the field, his work remains a testament to the power of inventive thinking in addressing complex chemical challenges.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile