This inventor holds 2 USPTO granted patents and 4 published patent applications and 3 EPO patents. Top assignee: Kao Corporation. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Ojiro Tamagawa: Innovator at Kao Corporation
Introduction: Ojiro Tamagawa is an inventor based in Wakayama-shi, Wakayama, Japan. He is currently associated with Kao Corporation, where he contributes to the development of innovative products. Although he has not yet been granted any patents, his work is focused on creating effective solutions in his field.
Latest Patent Applications: Ojiro Tamagawa has submitted several notable patent applications. One of his latest applications is for a foaming agent composition for hydraulic compositions. This composition includes component (A1), which consists of one or more selected from the group of alkyl sulfates and alkenyl sulfates with specific carbon chain lengths. Additionally, it contains component (B), a monohydric alcohol, and may optionally include component (A2), which consists of other surfactants. The mass ratio of component (A1) to the total content of components (A1) and (A2) is specified to be between 0.8 and 1.
Another significant application is for a bubble-containing gypsum slurry. This application describes a method for producing a gypsum slurry that contains bubbles, allowing for an increased bubble size with a minimal amount of foaming component. The slurry consists of hydraulic powder containing gypsum, water, and specific components that enhance its properties.
Conclusion: Ojiro Tamagawa is an emerging inventor whose work at Kao Corporation focuses on innovative applications in the field of hydraulic compositions and gypsum slurries. His contributions, although not yet patented, show promise for future advancements in these areas.