KK

Kenichi Koyakumaru

KC Kuraray Co.: 7 patents #214 of 1,827Top 15%
KC Kuraray Chemical Co.: 2 patents #17 of 81Top 25%
KU Kureha: 2 patents #126 of 354Top 40%
DC Daiichi Pharmaceutical Co.: 1 patents #181 of 399Top 50%
EC Eisai R&D Management Co.: 1 patents #478 of 817Top 60%
📍 Bizen, JP: #13 of 76 inventorsTop 20%
Overall (All Time): #719,380 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10573891 Carbon material for nonaqueous electrolyte secondary battery and method for manufacturing same, and negative electrode using carbon material and nonaqueous electrolyte secondary battery Makoto IMAJI, Kenta Aoki, Yasuhiro Tada, Naohiro Sonobe, Junichi Arima +5 more 2020-02-25
10381637 Carbonaceous material for negative electrodes of nonaqueous electrolyte secondary batteries Akira Koshima, Taketoshi Okuno, Hideharu Iwasaki, Kenta Aoki, Makoto IMAJI +2 more 2019-08-13
9508494 Carbonaceous material for negative electrodes of lithium ion capacitors and method for producing same Naohiro Sonobe, Yasuhiro Tada, Jiro Masuko, Hajime Komatsu, Junichi Arima +4 more 2016-11-29
9478805 Carbonaceous material for negative electrodes of nonaqueous electrolyte secondary batteries and method for producing same Yasuhiro Tada, Yasushi Ebihara, Mayu Komatsu, Jiro Masuko, Hajime Komatsu +6 more 2016-10-25
7560563 Process for producing 2-substituted pyridine derivative Yoshimi Fukunaga 2009-07-14
7524967 Process for producing 5-(2′-pyridyl)-2-pyridone derivative Yoshimi Fukunaga, Youichi Satake 2009-04-28
7358400 Process for producing cyclopropane monoacetal derivative and intermediate therefor Shingo Ueyama, Katsuji Ujita, Tatsuhiko Hayashibara, Naoshi Nakagawa, Toshifumi Akiba +1 more 2008-04-15