TN

Tomomasa Nishikawa

HC Hitachi Koki Co.: 49 patents #4 of 888Top 1%
KC Koki Holdings Co.: 28 patents #1 of 215Top 1%
HC Hitachi Koko Co.: 1 patents #1 of 33Top 4%
📍 Ibaraki, JP: #27 of 6,779 inventorsTop 1%
Overall (All Time): #23,719 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 1–25 of 78 patents

Patent #TitleCo-InventorsDate
12420400 Battery pack and electrical device Masashi TAKEHISA 2025-09-23
12125994 Electrical apparatus using battery pack Yasushi Nakano, Satoshi Yamaguchi, Hiroyuki Hanawa, Kazuhiko Funabashi, Shota Kanno +1 more 2024-10-22
12074296 Battery pack, electric apparatus using battery pack, and electric apparatus main body Yasushi Nakano, Satoshi Yamaguchi, Hiroyuki Hanawa, Kazuhiko Funabashi, Shota Kanno +2 more 2024-08-27
12046721 Battery pack and electric apparatus using battery pack Yasushi Nakano, Satoshi Yamaguchi, Hiroyuki Hanawa, Kazuhiko Funabashi, Shota Kanno +2 more 2024-07-23
11837741 Electrical apparatus using battery pack Takuhiro Murakami, Shinji Watanabe, Junpei Sato, Hikaru Tamura, Shota Kanno +9 more 2023-12-05
11824169 Battery pack, electrical device using battery pack, and electrical device system Takuya Teranishi, Naoto Wakatabe, Akira Matsushita, Masaru Hirano, Osamu Kawanobe +15 more 2023-11-21
11757293 Battery pack, and electric appliance using battery pack Masayuki Ogura, Masaru Hirano, Takuhiro Murakami, Nobuhiro Takano, Osamu Kawanobe +2 more 2023-09-12
11745272 Electrical device system, electrical device, and power supply device Yusuke FUNABIKI, Takuya Teranishi, Masayuki Ogura 2023-09-05
11710860 Battery pack and electrical apparatus using battery pack Yasushi Nakano, Satoshi Yamaguchi, Hiroyuki Hanawa, Kazuhiko Funabashi, Shota Kanno +1 more 2023-07-25
RE49414 Power tool Akira Matsushita, Noriyuki Horie, Masahiro Fujiwara 2023-02-14
11469699 Work device Yuki Ishikawa, Hayato Yamaguchi, Masashi TAKEHISA, Tatsuya Ito 2022-10-11
11418094 Electric tool Akira Matsushita, Yuta Noguchi, Takahiro Hirai 2022-08-16
11411277 Battery pack, power tool, and battery pack and power tool set Satoru Matsuno, Mitsutaka Sakamoto 2022-08-09
11367907 Battery pack and electric apparatus using battery pack Yasushi Nakano, Satoshi Yamaguchi, Hiroyuki Hanawa, Kazuhiko Funabashi, Shota Kanno +2 more 2022-06-21
11205820 Battery pack, electrical device using battery pack, and electrical device system Hiroyuki Hanawa, Shota Kanno, Toshio Mizoguchi, Yasushi Nakano, Kazuhiko Funabashi +15 more 2021-12-21
11167403 Electric working machine Hideyuki Hashimoto, Satoshi Abe, Shingo Yamazaki, Akira Matsushita 2021-11-09
11052530 Electric work machine Akira Matsushita, Yuta Noguchi, Kuniaki Kanbe, Shingo Yamazaki 2021-07-06
10994393 Rotary impact tool Tetsuhiro Harada, Tatsuya Ito, Takahiro Hirai, Yang Li 2021-05-04
10991228 Abnormality reporting system for electric tools Takuya Konnai, Tatsuya Ito 2021-04-27
10888938 Cutting machine 2021-01-12
10836019 Work machine Akira Matsushita, Takuhiro Murakami, Junichi Toukairin, Shota Takeuchi 2020-11-17
10661427 Power tool Akira Matsushita, Noriyuki Horie, Masahiro Fujiwara 2020-05-26
10562107 Power tool Tetsuhiro Harada, Yoshihiro Nakano, Hiroki Uchida 2020-02-18
10442066 Driver Yoshiichi Komazaki, Tetsuhiro Harada, Norikazu Baba 2019-10-15
10377022 Power tool anvil lock mechanism Keita Saitou, Shinichirou Satou, Masanori Watanabe, Takuya Teranishi 2019-08-13