TK

Takeo Kawahara

TO Tokuyama: 2 patents #163 of 562Top 30%
📍 Funabashi, JP: #519 of 1,104 inventorsTop 50%
Overall (All Time): #2,105,453 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7923142 Onium salt, electrolyte for nonaqueous cell containing the novel onium salt for nonaqueous cell and method for optimizing negative electrode using electrolyte containing onium salt Tomonori Matsunaga, Hajime Matsumoto 2011-04-12
7846576 Onium salt, electrolyte for non-aqueous cell containing the novel onium salt for nonaqueous cell, and method for optimizing negative electrode using elecrolyte containing onium salt Tomonori Matsunaga, Hajime Matsumoto 2010-12-07