FY

Fumio Yamakawa

IC Idemitsu Kosan Co.: 3 patents #409 of 1,237Top 35%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #1,362,909 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12119442 Method for producing sulfide solid electrolyte Masao Aida, Yusuke ISEKI, Hiroaki Yamada, Shinji Tanaka 2024-10-15
11978848 Method for producing solid electrolyte Shinji Tanaka 2024-05-07
11183708 Method for producing sulfide solid electrolyte and sulfur-based material Ryo Aburatani, Masahiro Iwahara, Takuo Yanagi, Takumi Tanaka 2021-11-23