KM

Keiko Matsubara

Samsung: 14 patents #9,740 of 75,807Top 15%
LG: 3 patents #10,792 of 26,165Top 45%
Overall (All Time): #274,194 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10862115 Anode material for secondary battery and non-aqueous electrolyte secondary battery using the same Yoshiyuki Igarashi 2020-12-08
10199640 Negative electrode material for secondary battery and secondary battery using the same Yoshiyuki Igarashi, Mi Rim Lee, Hye-Ran Jung, Yong Ju Lee 2019-02-05
10115963 Negative electrode material for secondary battery and secondary battery using the same Yoshiyuki Igarashi 2018-10-30
8048568 Negative active material for rechargeable lithium battery and rechargeable lithium battery Kyou-Yoon Sheem, Toshiaki Tsuno, Akira Takamuku 2011-11-01
7851086 Electrode material for a lithium secondary battery, lithium secondary battery, and preparation method for the electrode material for a lithium secondary battery Toshiaki Tsuno, Akira Takamuka, Sung-Soo Kim, Bok-Hwan Jung 2010-12-14
7658871 Method of preparing a negative active material for rechargeable lithium battery Akira Takamuku, Toshiaki Tsuno, Sung-Soo Kim 2010-02-09
7479351 Electrode material for a lithium secondary battery, lithium secondary battery, and preparation method for the electrode material for a lithium secondary battery Toshiaki Tsuno, Akira Takamuka, Sung-Soo Kim, Bok-Hwan Jung 2009-01-20
7326497 Graphite-containing composition, negative electrode for a lithium secondary battery, and lithium secondary battery Toshiaki Tsuno, Akira Takamuku, Kyou-Yoon Sheem 2008-02-05
7223498 Electrode for a lithium secondary battery and a lithium secondary battery comprising the same Toshiaki Tsuno, Akira Takamuka, Sung-Soo Kim, Bok-Hwan Jung 2007-05-29
6869730 Electrode material, method for preparing same, electrode, and battery comprising same Toshiaki Tsuno, Akira Takamuku, Kyou-Yoon Sheem 2005-03-22
6855459 Electrode for rechargeable lithium battery, method of preparing same and rechargeable lithium battery having the same Toshiaki Tsuno, Akira Takamuku, Kyou-Yoon Sheem 2005-02-15
6797434 NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, RECHARGEABLE LITHIUM BATTERY AND METHOD OF PREPARING NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM SECONDARY BATTERY Toshiaki Tsuno, Sang Young Yoon 2004-09-28
6767669 Negative electrode for lithium rechargeable batteries and lithium rechargeable batteries Toshiaki Tsuno, Sang Young Yoon 2004-07-27
6733922 Carbonaceous material and lithium secondary batteries comprising same Toshiaki Tsuno, Kyou-Yoon Sheem 2004-05-11
6733546 Method of preparing an anode material for lithium secondary battery Toshiaki Tsuno, Sang Young Yoon 2004-05-11
6641955 Anode material for lithium secondary battery, an electrode for lithium secondary battery and a lithium secondary battery Toshiaki Tsuno, Sang Young Yoon 2003-11-04
6589696 Negative active material for rechargeable lithium battery and method of preparing same Toshiaki Tsuno, Sang Young Yoon 2003-07-08