KK

Kenji Kobori

HC Hitachi Koki Co.: 5 patents #222 of 888Top 25%
ME Meidensha: 5 patents #59 of 555Top 15%
KC Koki Holdings Co.: 3 patents #64 of 215Top 30%
HC Hitachi Koko Co.: 1 patents #1 of 33Top 4%
📍 Ibaraki, JP: #678 of 6,779 inventorsTop 15%
Overall (All Time): #340,987 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11831260 Power converter device and control method therefor Keiki Kozaki, Nobutaka Kezuka, Hidekazu Akaike 2023-11-28
11590638 Driver Shinichiro Sato, Takashi Ueda, Yutaka ITO, Jyun ENTA, Toshinori Yasutomi +1 more 2023-02-28
11569756 Flying capacitor type 3-level power conversion device Kazunobu Oi 2023-01-31
11303220 Flying capacitor (FC)-type 3-level power conversion device Kazunobu Oi 2022-04-12
10843317 Driver Shinichiro Sato, Takashi Ueda, Yutaka ITO, Jyun ENTA, Toshinori Yasutomi +1 more 2020-11-24
10843318 Fastener driving machine Shinichirou SATO, Takashi Ueda 2020-11-24
10574163 Three-phase neutral-point-clamped power conversion device Shizunori Hamada 2020-02-25
9948206 Multilevel power conversion device with flying capacitor Isamu Hasegawa, Takashi Kodama, Takeshi Kondo, Shota Urushibata, Hiromi Sako +2 more 2018-04-17
9415453 Reciprocating tool 2016-08-16
8529169 Drilling tool with dust collector Tomomasa Nishikawa, Tsukasa Suzuura 2013-09-10
8522519 Lawn mower Hiroto Inagawa, Tomomasa Nishikawa 2013-09-03
8342782 Drilling tool with dust collector Tomomasa Nishikawa, Shingo Yamazaki 2013-01-01
7909114 Drilling device Tomomasa Nishikawa 2011-03-22
7721818 Power tool having a vibration isolating handle Hiroto Inagawa, Shinki Ohtsu, Tetsuo Ebata 2010-05-25