Kumazawa; Seiji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kumazawa; Seiji.The latest application filed is for "welding structure and welding method for metal member".

Company Profile

3.16.15

Kumazawa; Seiji - Osaka JP
Kumazawa; Seiji - Nara JP
Kumazawa; Seiji - Kadoma JP
Kumazawa; Seiji - Kadoma-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
Weld structure of metal member and welding process Grant 11,428,251 - Kumazawa , et al. August 30, 2	2022-08-30
Welding structure and welding method for metal member Grant 11,185,947 - Kumazawa , et al. November 30, 2	2021-11-30
Joined structure and joining method Grant 11,161,197 - Hirose , et al. November 2, 2	2021-11-02
Battery system for laser-welding a busbar to electrode terminals and connecting battery cells in a low resistance state Grant 10,601,014 - Okada , et al.	2020-03-24
Welding Structure And Welding Method For Metal Member App 20200009685 - KUMAZAWA; SEIJI ; et al.	2020-01-09
Welded metal component and battery including the same Grant 10,439,191 - Kumazawa , et al. O	2019-10-08
Joined Structure And Joining Method App 20190224776 - HIROSE; TAKAYUKI ; et al.	2019-07-25
Weld Structure Of Metal Member And Welding Process App 20180245616 - KUMAZAWA; SEIJI ; et al.	2018-08-30
Welded Metal Component And Battery Including The Same App 20180026252 - KUMAZAWA; SEIJI ; et al.	2018-01-25
Battery System App 20170365838 - OKADA; WATARU ; et al.	2017-12-21
Battery System App 20170365827 - OKADA; WATARU ; et al.	2017-12-21
Hermetically sealed battery and method for manufacturing the same Grant 9,634,298 - Harima , et al. April 25, 2	2017-04-25
Battery module and method of manufacturing the same Grant 8,715,850 - Uchida , et al. May 6, 2	2014-05-06
Method and apparatus for using multiple laser beams to weld members that are separated by a gap Grant 8,487,211 - Sakurai , et al. July 16, 2	2013-07-16
Electric Power Measuring Device App 20120161753 - KUMAZAWA; Seiji	2012-06-28
Hermetically Sealed Battery And Method For Manufacturing The Same App 20120121954 - Harima; Yukio ; et al.	2012-05-17
Sealed secondary battery, and method for manufacturing the battery Grant 8,105,712 - Miyata , et al. January 31, 2	2012-01-31
Battery Module And Method Of Manufacturing The Same App 20110236728 - Uchida; Osamu ; et al.	2011-09-29
Sealed Battery And Method For Fabricating The Same App 20110195288 - Harima; Yukio ; et al.	2011-08-11
Fusion Welding Method And Fusion Welding Apparatus App 20110095003 - Sakurai; Tutomu ; et al.	2011-04-28
Sealed Secondary Battery, And Method For Manufacturing The Battery App 20100247992 - Miyata; Kyosuke ; et al.	2010-09-30
Optical unit and its manufacturing method Grant 7,561,350 - Kitamura , et al. July 14, 2	2009-07-14
Manufacturing method of optical component and camera module Grant 7,440,199 - Nakai , et al. October 21, 2	2008-10-21
Optical component unit, laser joining method and apparatus for joining optical component Grant 7,411,748 - Kumazawa , et al. August 12, 2	2008-08-12
Optical Unit And Its Manufacturing Method App 20080144196 - Kitamura; Yoshiro ; et al.	2008-06-19
Manufacturing method of optical component and camera module App 20060077575 - Nakai; Izuru ; et al.	2006-04-13
Optical component unit, laser joining method and apparatus for joining optical component App 20060043622 - Kumazawa; Seiji ; et al.	2006-03-02
Method for preparing CdTe film and solar cell using the same Grant 5,994,642 - Higuchi , et al. November 30, 1	1999-11-30

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.