This inventor holds 3 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Sakai Chemical Industry Co., Ltd., Sakai Chemical Industry., Ltd.. Active years: 1996-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ibaraki, JP (1996)
- Fukushima, JP (2011)
- Iwaki, JP (2015)
Company Filing History:
2 out of 158 
1 out of 1 Years Active: 1996-2015
Title: Hirobumi Yoshida: Innovator in Cosmetic and Coating Technologies
Introduction
Hirobumi Yoshida is a notable inventor based in Iwaki, Japan. He has made significant contributions to the fields of cosmetic materials and water-based compositions. With a total of 3 patents, his work focuses on enhancing the quality and performance of cosmetic products and coatings.
Latest Patents
Yoshida's latest patents include innovative developments in flaky particulate materials and ultrafine barium sulfate particles. One of his key inventions is a flaky particulate material designed to provide skin with excellent smoothness while avoiding the whitening problem due to its high transparency. This material has an average coefficient of friction of not more than 0.50 and a total light transmittance of not less than 85%. It comprises substrate particles made from materials such as mica, synthetic mica, sericite, talc, barium sulfate, and aluminum oxide. The resulting cosmetic composition offers great comfort of use and an excellent appearance.
Another significant patent involves an ultrafine barium sulfate particle that enhances color saturation and gloss in water-borne compositions, such as coatings and inks. This invention includes a barium sulfate particle coated with hydroxides or oxides of metallic elements, improving the performance of color pigments and metallic coatings.
Career Highlights
Throughout his career, Hirobumi Yoshida has worked with reputable companies, including Sakai Chemical Industry Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of materials science.
Collaborations
Yoshida has collaborated with notable coworkers, including Keiji Ono and Hiroyuki Izumikawa. Their combined expertise has contributed to the successful development of his patented technologies.
Conclusion
Hirobumi Yoshida's contributions to cosmetic and coating technologies demonstrate his innovative spirit and commitment to enhancing product performance. His patents reflect a deep understanding of material properties and their applications in everyday products.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile