This inventor holds 4 USPTO granted patents. Top assignees: Shiseido Company, Limited, Toby Kogyo K. K., Topy Industries, Limited. Active years: 1991-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Aichi, JP (1991 - 1992)
- Toyohashi, JP (1998)
Company Filing History:
3 out of 1,041 
2 out of 2 
1 out of 11 Years Active: 1991-1998
Title: Masaru Yamamoto: Innovator in Pearlescent Pigments and Cosmetic Materials
Introduction
Masaru Yamamoto is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of cosmetic materials and pigments, holding a total of 4 patents. His work focuses on developing innovative solutions that enhance the quality and performance of cosmetic products.
Latest Patents
Yamamoto's latest patents include advancements in pearlescent pigments and paint compositions. One of his inventions addresses the challenges associated with the development of yellow color at mass tone angles and the lack of clarity in interference colors. This pearlescent pigment is characterized by a metal oxide coating on synthetic mica, which has an average refractive index of not more than 1.58. The synthetic mica particles are smoothened and made flaky, with iron content not exceeding 1.0%. Another significant patent involves synthetic mica powder that contains 75 to 99% of the stoichiometrical composition of fluorine. This powder is designed to improve the hold of oils and prevent leaching of fluorine ions, resulting in cosmetics that exhibit excellent extensibility, gloss, adherence, and moldability.
Career Highlights
Throughout his career, Masaru Yamamoto has worked with prominent companies in the cosmetic industry, including Shiseido Company, Limited and Toby Kogyo K.K. His experience in these organizations has allowed him to refine his expertise in the development of innovative cosmetic materials.
Collaborations
Yamamoto has collaborated with notable professionals in his field, including Tetsushi Kosugi and Akitsugu Ando. These collaborations have contributed to the advancement of his research and the successful development of his patented inventions.
Conclusion
Masaru Yamamoto's contributions to the field of cosmetic materials and pearlescent pigments highlight his innovative spirit and dedication to improving product quality. His patents reflect a commitment to solving industry challenges and enhancing the performance of cosmetic products.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile