This inventor holds 1 USPTO granted patent. Top assignees: Aisin Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 682 
1 out of 39,010 
Years Active: 2026
Title: Takashi Hasumi: Inventor of a Vehicle Transaxle Cooling System.
Introduction
Takashi Hasumi is an inventor associated with Toyota and Aisin in Japan. His patent work includes a vehicle transaxle design that manages oil flow to cool components in an electric-drive system.
Latest Patents
Hasumi is named on one patent, titled “Transaxle.” The invention concerns a vehicle transaxle with a shaft that rotates together with a coupling gear and an electric-motor rotor. Separate oil passages in the shaft direct gear-scooped oil and pump-supplied oil toward different cooling targets. A closure within the shaft restricts communication between the two passages. This arrangement is designed to manage oil delivery within the transaxle. Hasumi’s reported total is 1 patent.
Career Highlights
Hasumi’s listed company affiliations include Toyota Jidosha Kabushiki Kaisha and Aisin Corporation. His transaxle patent reflects work on oil routing and cooling in vehicle powertrain systems.
Collaborations
Hiroki Inokura and Mizuki Bingo are listed as Hasumi’s coworkers. The available information does not specify their roles in the patent or their contributions to the invention.
Conclusion
Takashi Hasumi’s patent focuses on a transaxle shaft with distinct oil passages for cooling targets, contributing to the engineering of vehicle powertrain systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile