YH

Yasushi Hirakawa

TO Toyota: 2 patents #614 of 3,557Top 20%
KC Kokoku Intech Co.: 1 patents #1 of 10Top 10%
Overall (2017): #92,309 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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