Seiji Kumazawa

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Weld structure of metal member and welding process
- Patent number 11,428,251
- Issue date Aug 30, 2022
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Seiji Kumazawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welding structure and welding method for metal member
- Patent number 11,185,947
- Issue date Nov 30, 2021
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Seiji Kumazawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Joined structure and joining method
- Patent number 11,161,197
- Issue date Nov 2, 2021
- Panasonic Intellectual Property Management Co. Ltd.
- Takayuki Hirose
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Battery system for laser-welding a busbar to electrode terminals an...
- Patent number 10,601,014
- Issue date Mar 24, 2020
- Sanyo Electric Co., LTD
- Wataru Okada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welded metal component and battery including the same
- Patent number 10,439,191
- Issue date Oct 8, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Seiji Kumazawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hermetically sealed battery and method for manufacturing the same
- Patent number 9,634,298
- Issue date Apr 25, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yukio Harima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery module and method of manufacturing the same
- Patent number 8,715,850
- Issue date May 6, 2014
- Panasonic Corporation
- Osamu Uchida
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method and apparatus for using multiple laser beams to weld members...
- Patent number 8,487,211
- Issue date Jul 16, 2013
- Panasonic Corporation
- Tutomu Sakurai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sealed secondary battery, and method for manufacturing the battery
- Patent number 8,105,712
- Issue date Jan 31, 2012
- Panasonic Corporation
- Kyosuke Miyata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical unit and its manufacturing method
- Patent number 7,561,350
- Issue date Jul 14, 2009
- Panasonic Corporation
- Yoshiro Kitamura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical component unit, laser joining method and apparatus for join...
- Patent number 7,411,748
- Issue date Aug 12, 2008
- Matsushita Electric Industrial Co., Ltd.
- Seiji Kumazawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CUTTING DEVICE AND CUTTING METHOD
- Publication number 20230088137
- Publication date Mar 23, 2023
- Panasonic Holdings Corporation
- Seiji KUMAZAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDING STRUCTURE AND WELDING METHOD FOR METAL MEMBER
- Publication number 20200009685
- Publication date Jan 9, 2020
- Panasonic Intellectual Property Management Co., Ltd.
- SEIJI KUMAZAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
JOINED STRUCTURE AND JOINING METHOD
- Publication number 20190224776
- Publication date Jul 25, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- TAKAYUKI HIROSE
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELD STRUCTURE OF METAL MEMBER AND WELDING PROCESS
- Publication number 20180245616
- Publication date Aug 30, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- SEIJI KUMAZAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDED METAL COMPONENT AND BATTERY INCLUDING THE SAME
- Publication number 20180026252
- Publication date Jan 25, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- SEIJI KUMAZAWA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
BATTERY SYSTEM
- Publication number 20170365838
- Publication date Dec 21, 2017
- Sanyo Electric Co., Ltd.
- WATARU OKADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY SYSTEM
- Publication number 20170365827
- Publication date Dec 21, 2017
- Sanyo Electric Co., Ltd.
- WATARU OKADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRIC POWER MEASURING DEVICE
- Publication number 20120161753
- Publication date Jun 28, 2012
- Seiji KUMAZAWA
- G01 - MEASURING TESTING
Information Patent Application
HERMETICALLY SEALED BATTERY AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20120121954
- Publication date May 17, 2012
- Yukio Harima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY MODULE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20110236728
- Publication date Sep 29, 2011
- PANASONIC CORPORATION
- Osamu Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEALED BATTERY AND METHOD FOR FABRICATING THE SAME
- Publication number 20110195288
- Publication date Aug 11, 2011
- Yukio Harima
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
FUSION WELDING METHOD AND FUSION WELDING APPARATUS
- Publication number 20110095003
- Publication date Apr 28, 2011
- PANASONIC CORPORATION
- Tutomu Sakurai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SEALED SECONDARY BATTERY, AND METHOD FOR MANUFACTURING THE BATTERY
- Publication number 20100247992
- Publication date Sep 30, 2010
- Kyosuke Miyata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Optical Unit And Its Manufacturing Method
- Publication number 20080144196
- Publication date Jun 19, 2008
- Yoshiro Kitamura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Manufacturing method of optical component and camera module
- Publication number 20060077575
- Publication date Apr 13, 2006
- Izuru Nakai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Optical component unit, laser joining method and apparatus for join...
- Publication number 20060043622
- Publication date Mar 2, 2006
- Seiji Kumazawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Seiji Kumazawa

Person

Patents Grantslast 30 patents

Weld structure of metal member and welding process

Welding structure and welding method for metal member

Joined structure and joining method

Battery system for laser-welding a busbar to electrode terminals an...

Welded metal component and battery including the same

Hermetically sealed battery and method for manufacturing the same

Battery module and method of manufacturing the same

Method and apparatus for using multiple laser beams to weld members...

Sealed secondary battery, and method for manufacturing the battery

Optical unit and its manufacturing method

Optical component unit, laser joining method and apparatus for join...

Patents Applicationslast 30 patents

CUTTING DEVICE AND CUTTING METHOD

WELDING STRUCTURE AND WELDING METHOD FOR METAL MEMBER

JOINED STRUCTURE AND JOINING METHOD

WELD STRUCTURE OF METAL MEMBER AND WELDING PROCESS

WELDED METAL COMPONENT AND BATTERY INCLUDING THE SAME

BATTERY SYSTEM

BATTERY SYSTEM

ELECTRIC POWER MEASURING DEVICE

HERMETICALLY SEALED BATTERY AND METHOD FOR MANUFACTURING THE SAME

BATTERY MODULE AND METHOD OF MANUFACTURING THE SAME

SEALED BATTERY AND METHOD FOR FABRICATING THE SAME

FUSION WELDING METHOD AND FUSION WELDING APPARATUS

SEALED SECONDARY BATTERY, AND METHOD FOR MANUFACTURING THE BATTERY

Optical Unit And Its Manufacturing Method

Manufacturing method of optical component and camera module

Optical component unit, laser joining method and apparatus for join...