Sakato Kumazaki

Title: Sakato Kumazaki and Resinous Composition Innovation.

Introduction

Sakato Kumazaki is an inventor associated with Hitachi Chemical Company, Ltd. in Hitachi, Japan. His patent work includes a resinous composition designed for coating and electrical-insulation applications.

Latest Patents

Kumazaki’s listed patent, “Resinous Composition,” describes a formulation containing 40–90 parts by weight of one or more oligomers and 10–60 parts by weight of one or more polymerizable monomers. The oligomers are obtained by reacting a polyvalent alcohol or its derivative with fatty acids derived from oils and fats, along with a specified monobasic acid. The monomers contain at least one polymerizable double bond.

The composition is suitable for coating and casting for electrical insulation, and can be used without solvent. The patent also describes its potential to reduce styrene-related odor. Coating films made from the composition are reported to offer resistance to blocking, solvents, and stains, as well as hardness, gloss, and flexibility. Kumazaki is credited with 1 patent.

Career Highlights

Kumazaki’s listed invention reflects work on resin formulations intended to combine practical processing characteristics with durable coating performance. His company affiliation is Hitachi Chemical Company, Ltd.

Collaborations

Kumazaki’s listed coworkers include Iwao Maekawa and Isao Uchigasaki.

Conclusion

Sakato Kumazaki’s patent documents a resinous composition developed for coatings and electrical insulation, with an emphasis on solventless use and a range of desirable film properties.