SK

Seiji Kumazawa

PA Panasonic: 10 patents #2,582 of 21,108Top 15%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Overall (All Time): #344,158 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11428251 Weld structure of metal member and welding process Tomomi Tanaka, DAISUKE SHIOGA, Takayuki Ashida 2022-08-30
11185947 Welding structure and welding method for metal member Takayuki Ashida 2021-11-30
11161197 Joined structure and joining method Takayuki Hirose, Yasushi Taniguchi, Takayuki Ashida 2021-11-02
10601014 Battery system for laser-welding a busbar to electrode terminals and connecting battery cells in a low resistance state Wataru Okada, Yoshihiro Shiotsu, Tomomi Tanaka 2020-03-24
10439191 Welded metal component and battery including the same Takayuki Ashida, Shinya Mori, Hiroaki Takano 2019-10-08
9634298 Hermetically sealed battery and method for manufacturing the same Yukio Harima, Koji Funami, Kyosuke Miyata, Takahiro Fukuoka, Seiichi Kato 2017-04-25
8715850 Battery module and method of manufacturing the same Osamu Uchida, Kazuhiro Ikurumi, Koji Funami, Masazumi Adachi 2014-05-06
8487211 Method and apparatus for using multiple laser beams to weld members that are separated by a gap Tutomu Sakurai, Hidenao Kataoka 2013-07-16
8105712 Sealed secondary battery, and method for manufacturing the battery Kyosuke Miyata, Takahiro Fukuoka, Yukio Harima, Koji Funami 2012-01-31
7561350 Optical unit and its manufacturing method Yoshiro Kitamura, Koji Funami, Kazumasa Takata, Yasuo Nishihara 2009-07-14
7440199 Manufacturing method of optical component and camera module Izuru Nakai 2008-10-21
7411748 Optical component unit, laser joining method and apparatus for joining optical component Yohei Takechi, Masahiro Kuwabara, Toshiyuki Okada, Masami Ito, Koji Funami +1 more 2008-08-12
5994642 Method for preparing CdTe film and solar cell using the same Hiroshi Higuchi, Takashi Arita, Akira Hanafusa, Mikio Murozono, Tetsuya Aramoto 1999-11-30
5220313 Device for driving a liquid crystal display device Shizuo Manako 1993-06-15