Toru Onodera

Title: Toru Onodera: Polymer and Battery Material Innovations.

Introduction

Toru Onodera is an inventor associated with Tsukuba, Japan, and Sumitomo Chemical Company, Limited. His listed portfolio includes 5 patents, spanning polymer materials and sodium battery technology.

Latest Patents

Onodera’s listed patent work includes “Heterophasic propylene polymerization material.” The invention combines a propylene copolymer with two ethylene–α-olefin copolymers, specifying their composition and viscosity properties. These characteristics are designed to define the material’s polymer structure and performance.

Another listed invention is “Nonaqueous electrolyte for sodium secondary battery and sodium secondary battery.” It describes an electrolyte containing a sodium salt, a sulfur–oxygen-bond compound, and a nonaqueous solvent. The specified concentration of the sulfur–oxygen-bond compound is 0.05 to 10 percent by weight of the electrolyte. The patent description presents the electrolyte as a means of supporting improved charge–discharge cycle characteristics.

Career Highlights

Onodera’s listed inventions reflect work in two areas of materials innovation: heterophasic polypropylene and electrolytes for sodium secondary batteries. His association with Sumitomo Chemical connects this work to a company active in chemical and materials research.

Collaborations

Shigeru Sasaki and Daizaburo Yashiki are identified as Onodera’s coworkers. The available information does not specify their roles in the listed inventions or particular patent collaborations.

Conclusion

Toru Onodera’s patent portfolio highlights innovations in polymer composition and sodium battery electrolytes, with his listed work associated with Sumitomo Chemical Company, Limited.