SK

Shingo Kosugi

HC Hitachi Koki Co.: 19 patents #40 of 888Top 5%
KC Koki Holdings Co.: 5 patents #37 of 215Top 20%
Overall (All Time): #169,317 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12405047 Electric device Yuji Kishima, Takuya Kataoka, Kazuki Noguchi, Akihiro Kobayashi, Daisuke Nitawaki +2 more 2025-09-02
D1029049 Router Takeshi Taniguchi, Shuji Takeda, Yoshiaki Osada 2024-05-28
D1023908 Battery Takeshi Taniguchi, Ri Sen, Shota Kanno 2024-04-23
D962031 Portable electric driver body Rui Akiba, Shota Takeuchi 2022-08-30
D878886 Portable electric saw Shuji Takeda, Naoki Tadokoro 2020-03-24
D829523 Portable electric power circular saw Masanori Okada, Yoshitaka Idei 2018-10-02
D826669 Portable electric driver body Masanori Okada, Tetsuya Monzen 2018-08-28
D811453 Table circular saw Yoshiki Aoki, Shinichi Kakefuda, Rui Akiba, Yuuichi Toyoshima 2018-02-27
9876201 Electric working machine and electric working machine system Megumi Ishikawa, Hirohisa Tomita 2018-01-23
D785427 Portable electric driver body Masanori Okada, Keita Saitou 2017-05-02
D777545 Portable electric driver Masanori Okada, Junichi Tokairin 2017-01-31
9435329 Air compressor Hiroki Kitagawa, Tomoyoshi Yokota, Kenichi Matsunaga, Masahiro Miura 2016-09-06
D706591 Pruning machine Rui Akiba, Yasutaka Shimizu 2014-06-10
D699672 Rechargeable battery Masanori Okada, Yuji Kishima, Jun Enta 2014-02-18
D684271 Centrifuge Takeshi Taniguchi, Yuki Shimizu 2013-06-11
D667467 Air compressor Rui Akiba, Masanori Okada, Kenichi Matsunaga, Hiroki Kitagawa 2012-09-18
D657211 Pruning machine Shinichi Kakefuda, Fukushi Tamura 2012-04-10
D638035 Engine blower Masanori Okada, Shinichi Kakefuda, Yoshikazu Yokoyama, Jun KUGENUMA 2011-05-17
D623197 Engine Satoshi Hotta, Tomoyuki Kawahara, Takahiro Hirai, Fumikazu Hirasawa, Takamoto Horiuchi +1 more 2010-09-07
D615836 Portable chain saw Masanori Okada, Shinichi Kakefuda, Kenji Naganuma, Kentarou Kanaya 2010-05-18
D610420 Portable electric driver Masayuki Ogura 2010-02-23
D603879 Air compressor Masanori Okada, Shinichi Kakefuda, Seiichi Kodato, Tomoyoshi Yokota, Kenichi Matsunaga 2009-11-10
D591916 Engine blower Masato Sakai, Shinichi Kakefuda, Tomoyuki Kawahara, Yoshikazu Yokoyama, Takahiro Hirai 2009-05-05
D586196 Portable gas nailing machine Masanori Okada, Yoshitaka Akiba, Yoshimitsu Iljima, Norikazu Baba 2009-02-10