Company Filing History:
Years Active: 1993-1994
Title: The Innovative Contributions of Makiko Sakai
Introduction: Makiko Sakai is an accomplished inventor based in Aichi, Japan, known for her significant contributions in the field of powder coatings. With a total of two patents under her name, Sakai has demonstrated her expertise and innovative approach in developing resin compositions that enhance the performance and qualities of powder coatings.
Latest Patents: Sakai's latest inventions include a "Resin composition for powder coating" and a "Resin composition for matte powder coating." The first patent describes a resin composition that comprises a polyester A with a hydroxyl value of at least 1,200 g eq/10^6 g, and a polyester B with a hydroxyl value ranging from 200 to 1,000 g eq/10^6 g. This composition is designed not to set to gel and employs an inner blocked isocyanate hardener, maintaining a weight ratio of polyester A to polyester B from 70:30 to 10:90. Notably, the gel time difference between the two polyesters is at least 3 minutes. The second patent outlines a similar resin composition intended for matte powder coatings, featuring the same components, weight ratio, and gel time specifications, but with a further requirement that the difference in acid value between polyester A and polyester B is at least 20 g eq/10^6 g.
Career Highlights: Makiko Sakai works at Nippon Ester Co., Ltd., where she has made strides in the development of advanced materials for industrial applications. Her devotion to innovation is reflected in the successful patents she holds, which contribute to the growing field of environmentally friendly coating solutions.
Collaborations: Throughout her career, Sakai has collaborated with notable colleagues such as Tokuzo Nozaki and Katsuyoshi Atsumi. These partnerships have facilitated the sharing of ideas and expertise, fostering a productive environment that drives innovation in their field.
Conclusion: Makiko Sakai is a prominent figure in the realm of materials science, particularly in the area of powder coatings. Her contributions, represented through her patents, illustrate her commitment to innovation and excellence. As she continues her work at Nippon Ester Co., Ltd., the impact of her inventions is likely to resonate throughout the industry for years to come.