MS

Masaaki Sekiya

HC Hitachi Chemical Company: 3 patents #513 of 1,946Top 30%
MC Maruzen Petrochemical Co.: 1 patents #83 of 174Top 50%
Overall (All Time): #1,174,595 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10340527 Lithium-ion secondary battery and method of manufacturing the same Yoshiki Hama 2019-07-02
10186692 Electrical storage device Atsushi Sakurai, Noritaka Eguchi, Takafumi Masui, Yoshimi Wakamatsu 2019-01-22
9911543 Capacitor Atsushi Sakurai, Takafumi Masui, Noritaka Eguchi, Yoshimi Wakamatsu 2018-03-06
4709009 Method for the production of reformed p-vinylphenol polymers which are lightened in color Hiroshi Fujiwara, Tadashi Matsumoto 1987-11-24