TK

Takao Kuroyanagi

MA Makita: 17 patents #61 of 770Top 8%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
📍 Anjo, JP: #176 of 1,609 inventorsTop 15%
Overall (All Time): #247,117 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12350809 Electric work machine Yoshinori Sasaki 2025-07-08
12122032 Electric work machine and electric driver drill Yukiko Eba 2024-10-22
11504764 Fastening tool Toshihito YABUNAKA, Hiroki Ikuta, Koichi YAKABE 2022-11-22
11396038 Fastening tool Toshihito YABUNAKA, Hiroki Ikuta, Koichi YAKABE 2022-07-26
11185913 Fastening tool Hiroki Ikuta, Toshihito YABUNAKA 2021-11-30
11161168 Fastening tool Toshihito YABUNAKA, Hiroki Ikuta 2021-11-02
10994325 Fastening tool Hiroki Ikuta, Toshihito YABUNAKA 2021-05-04
D907979 Electric riveter Kento Nakamura 2021-01-19
10532454 Electric working machine Shingo Kamiya, Haruki TEJIMA, Masanori Higashi 2020-01-14
9308638 Power tool and auxiliary handle member Tomoyuki Kondo 2016-04-12
9016397 Electric power tool suspending attachment and electric power tool equipped with the same Hidenori Nagasaka, Ryunosuke Kumagai 2015-04-28
8485275 Power tool Hideki Abe 2013-07-16
D559644 Portable electric circular saw Taiju Tsuboi, Naohiro Hayakawa 2008-01-15
D505852 Portable screw cutter Yuji Yamamoto 2005-06-07
6523658 Clutch mechanism for use in rotary tools having screw-driving and drill modes Takefumi Furuta 2003-02-25
D436917 Battery pack Naohiro Hayakawa, Yoichi Kato, Shingo Umemura 2001-01-30
D436511 Portable electric drill Naohiro Hayakawa 2001-01-23
6142242 Percussion driver drill, and a changeover mechanism for changing over a plurality of operating modes of an apparatus Michio Okumura, Takefumi Furuta, Hidenori Ito 2000-11-07