Lee; Ji Han

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lee; Ji Han.The latest application filed is for "gas diffusion layer for fuel cell, method of manufacturing the same, and unit cell for fuel cell including the same".

Company Profile

1.4.6

Lee; Ji Han - Seongnam-si KR
Lee; Ji Han - Hwaseong-si KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Gas Diffusion Layer for Fuel Cell, Method of Manufacturing the Same, and Unit Cell for Fuel Cell Including the Same App 20220200017 - Lee; Ji Han ; et al.	2022-06-23
Gas diffusion layer for fuel cell and method for manufacturing the same Grant 11,276,863 - Park , et al. March 15, 2	2022-03-15
Power factor correction circuit capable of performing bidirectional power transfer and charger including the same Grant 11,247,576 - Yeo , et al. February 15, 2	2022-02-15
Multiple Perforation Plate for Separator of Fuel Cell App 20220021008 - Noh; Seung Tak ; et al.	2022-01-20
United converter apparatus and operating method thereof Grant 11,223,292 - Yang , et al. January 11, 2	2022-01-11
Gas Diffusion Layer For Fuel Cell And Method For Manufacturing The Same App 20210184223 - Park; Jae Man ; et al.	2021-06-17
Power Factor Correction Circuit Capable Of Performing Bidirectional Power Transfer And Charger Including The Same App 20210178919 - Yeo; In Yong ; et al.	2021-06-17
United Converter Apparatus And Operating Method Thereof App 20200186048 - YANG; Jin Young ; et al.	2020-06-11
Gas diffusion layer for fuel cells and method of manufacturing the same Grant 10,593,957 - Park , et al.	2020-03-17
Gas Diffusion Layer for Fuel Cells and Method of Manufacturing the Same App 20180175393 - Park; Jae Man ; et al.	2018-06-21

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.