YH

Yasushi Hirakawa

PA Panasonic: 8 patents #3,315 of 21,108Top 20%
TO Toyota: 5 patents #5,641 of 26,838Top 25%
KC Kokoku Intech Co.: 3 patents #2 of 46Top 5%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
MB Mitsuboshi Belting: 1 patents #183 of 333Top 55%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #269,173 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12123475 Core wire for drive belt, drive belt, and method for manufacturing core wire and drive belt Takuya Tomoda 2024-10-22
10658635 Battery pack and vehicle equipped with same Takeshi Nagane 2020-05-19
9705111 Secondary battery and method for manufacturing the same Hiroya Umeyama, Hiroshi Takamatsu, Yukio Harima 2017-07-11
9614200 Hermetically sealed battery Kazuyuki Kusama, Tomohiro Matsuura, Takashi Harayama, Ichiro Murata, Shinya Muroi 2017-04-04
9466824 Sealed battery Shinya Muroi 2016-10-11
9368785 Sealed battery manufacturing method, sealing member for sealed battery, and sealed battery Shinya Muroi 2016-06-14
8323812 Battery pack, battery-mounted device and connection structure for battery pack Hajime Nishino, Koshi Takamura 2012-12-04
8252455 Battery pack, vehicle equipped with the battery pack, and device equipped with the battery pack Kazuyuki Kusama 2012-08-28
8142922 Secondary battery and method for manufacturing secondary battery Kiyomi Kozuki, Tadashi Imai, Takashi Nonoshita 2012-03-27
8129048 Method for producing rectangular flat secondary battery Takayuki Shirane 2012-03-06
7976979 Secondary battery and method for manufacturing secondary battery Kiyomi Kozuki, Tadashi Imai, Takashi Nonoshita 2011-07-12
7736796 Battery pack Masatomo Nagatani 2010-06-15
7704631 Secondary battery with improved shock resistance Tatsuya Hashimoto, Kouki Inoue, Kiyomi Kouzuki 2010-04-27
7687191 Set of electrode plates for rolled electrochemical component and a cell comprising such electrode plates Naoto Arai 2010-03-30
7572544 Sealed rechargeable battery Kiyomi Kozuki, Kouki Inoue, Tatsuya Hashimoto 2009-08-11
6761995 Coin-shaped battery Takao Uyama, Daisuke Yoshida, Toshihiko Izumikawa, Susumu Yamanaka 2004-07-13
6242126 Explosion-proof seal plate for enclosed type cell and production method thereof Katsuhiko Mori, Yoshihiro Kashihara, Kazuo Saito, Kazuhiko Watanabe 2001-06-05