This inventor holds 1 USPTO granted patent. Top assignee: Rohm Gmbh. 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: Manabu Yanagihara and His Nitride Semiconductor Patent
Introduction
Manabu Yanagihara is an inventor associated with Kyoto, Japan, and Rohm GmbH. His work includes a patent concerning nitride semiconductor devices and their manufacture.
Latest Patents
The provided information lists one patent for Yanagihara: “Nitride Semiconductor Device and Manufacturing Method Therefor.” The invention describes a device with source and drain electrodes contacting a second nitride semiconductor layer through separate openings in a passivation film. The electrodes oppose each other across a ridge portion, while an extension portion of a third nitride semiconductor layer extends outward near one or both sides of the ridge. The patent focuses on the device structure and its manufacturing method. Yanagihara is credited with 1 patent in the information provided.
Career Highlights
Yanagihara’s listed patent reflects work on the structure of nitride semiconductor devices. The supplied information identifies Rohm GmbH as his company.
Collaborations
Hirotaka Otake and Kazuya Nagase are identified as Yanagihara’s coworkers. The provided details do not specify their roles in the patent or whether they collaborated on it.
Conclusion
Manabu Yanagihara is associated with a patent on nitride semiconductor device design and manufacturing, as well as with Rohm GmbH and colleagues Hirotaka Otake and Kazuya Nagase.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile