This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Yanmar Holdings Co., Ltd.. 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:
Years Active: 2026
Title: Kenta Mitarai and an Ammonia-Fueled Engine Device.
Introduction
Kenta Mitarai is an inventor associated with Osaka, Japan, and Yanmar Holdings Co., Ltd. The provided information lists 1 patent for him.
Latest Patents
Mitarai’s listed patent, “Engine device,” describes an engine operated using fuel containing at least ammonia. Its exhaust system includes a selective reduction catalyst that reduces nitrogen oxides with a reducing agent, as well as an upstream ammonia adsorption catalyst that captures ammonia in the exhaust. A bypass passage and a path-switching valve allow exhaust flow to bypass the adsorption catalyst when needed. This arrangement addresses exhaust treatment in ammonia-fueled engine operation.
Career Highlights
The available information connects Mitarai’s invention to Yanmar Holdings Co., Ltd., a company known for developing engine technologies. His listed patent focuses on managing ammonia and nitrogen oxides in engine exhaust.
Collaborations
Ken Kawabe is identified as Mitarai’s coworker. The provided information does not specify whether Kawabe collaborated on the patent.
Conclusion
Kenta Mitarai’s listed invention concerns an exhaust-treatment system for an ammonia-fueled engine, combining ammonia adsorption, selective catalytic reduction, and a bypass mechanism.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile