Koizumi; Masafumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Koizumi; Masafumi.The latest application filed is for "plasma apparatus".

Company Profile

1.8.8

Koizumi; Masafumi - Toyota JP
Koizumi; Masafumi - Nagoya JP
KOIZUMI; Masafumi - Nagoya-shi JP
KOIZUMI; Masafumi - Toyota-shi JP

*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
Plasma CVD apparatus Grant 10,392,703 - Hisano , et al. A	2019-08-27
Amorphous carbon film, process for forming amorphous carbon film, electrically conductive member and fuel cell bipolar plate having amorphous carbon film Grant 10,283,785 - Iseki , et al.	2019-05-07
Fuel cell separator and manufacturing method of fuel cell separator Grant 10,199,661 - Koizumi , et al. Fe	2019-02-05
Manufacturing method of separator for fuel cell Grant 10,181,603 - Koizumi Ja	2019-01-15
Plasma Apparatus App 20170309455 - YOSHIMURA; Takuya ; et al.	2017-10-26
Plasma Cvd Apparatus App 20170096737 - HISANO; Hirohiko ; et al.	2017-04-06
Fuel Cell Separator And Manufacturing Method Of Fuel Cell Separator App 20160301087 - KOIZUMI; Masafumi ; et al.	2016-10-13
Fuel Cell Separator, Fuel Cell, And Manufacturing Method Of Fuel Cell Separator App 20160233523 - KOIZUMI; Masafumi ; et al.	2016-08-11
Manufacturing Method Of Separator For Fuel Cell App 20160087287 - KOIZUMI; Masafumi	2016-03-24
Bipolar plate for fuel cell and method for producing the same Grant 8,993,197 - Iseki , et al. March 31, 2	2015-03-31
Amorphous Carbon Film, Process For Forming Amorphous Carbon Film, Electrically Conductive Member And Fuel Cell Bipolar Plate Having Amorphous Carbon Film App 20140356764 - Iseki; Takashi ; et al.	2014-12-04
Method and apparatus for forming film Grant 8,652,587 - Nakanishi , et al. February 18, 2	2014-02-18
Bipolar Plate For Fuel Cell And Method For Producing The Same App 20120231374 - Iseki; Takashi ; et al.	2012-09-13
Method And Apparatus For Forming Film App 20110311736 - NAKANISHI; Kazuyuki ; et al.	2011-12-22

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.