KY

Katsuyuki Yokoi

Canon: 48 patents #784 of 19,416Top 5%
Brother Kogyo: 25 patents #323 of 2,767Top 15%
NS Nippon Gakki Seizo: 1 patents #163 of 332Top 50%
Yamaha: 1 patents #1,232 of 2,001Top 65%
Overall (All Time): #25,753 of 4,157,543Top 1%
75
Patents All Time

Issued Patents All Time

Showing 1–25 of 75 patents

Patent #TitleCo-InventorsDate
10744784 Tube pump and liquid ejection apparatus 2020-08-18
10668732 Ink tank and ink jet recording apparatus 2020-06-02
10596838 Printing apparatus Masakazu Tsukuda, Atsushi Kohnotoh, Tsuyoshi Yoshida, Yuki Emoto, Koki Shimada +3 more 2020-03-24
10427412 Liquid ejecting apparatus and liquid refilling container Kyoshiro Okude, Masateru Komori, Masato Koshimizu, Tsuyoshi Saeki, Yukimichi Kimura +14 more 2019-10-01
10214032 Printing apparatus Masaaki Matsuura, Masateru Komori, Masato Koshimizu, Tsuyoshi Saeki, Kyoshiro Okude +2 more 2019-02-26
9073715 Sheet feeding mechanism and recording apparatus having the sheet feeding mechanism 2015-07-07
8515298 Rotation speed control for an image forming apparatus fan Kensuke Miyahara, Toshio Furukawa 2013-08-20
8301046 Image forming apparatus with condition setting for manual duplex mode Toshio Furukawa, Kensuke Miyahara 2012-10-30
8027606 Image forming apparatus with condition setting for manual duplex mode Toshio Furukawa, Kensuke Miyahara 2011-09-27
8005401 Image forming apparatus including charge removal member Toshio Furukawa, Kensuke Miyahara 2011-08-23
7813682 Image forming apparatus that smoothly conveys transfer medium while suppressing pre-transfer 2010-10-12
7711299 Color image forming apparatus with discharge member Toshio Furukawa, Kensuke Miyahara 2010-05-04
7699460 Printing apparatus and printing method 2010-04-20
7695129 Recording apparatus and recording method Junichi Yoshikawa, Kenji Kawazoe, Tetsuyo Ohashi 2010-04-13
7605930 Image processing device Masashi Suzuki, Tomoaki Hattori 2009-10-20
7596341 Image forming apparatus with vertically arranged process units 2009-09-29
7536130 Cartridge detachable from image forming device 2009-05-19
7486904 Multicolor image forming apparatus and image making device Shougo Sato, Masashi Suzuki, Yasushi Okabe 2009-02-03
7429041 Apparatus for feeding sheet using retractable edge guide for guiding lateral edge of sheet 2008-09-30
7421225 Developing cartridge detachable from image forming device 2008-09-02
7401914 Printing apparatus and method for controlling printing apparatus 2008-07-22
7266313 Image forming device and system that use consumable items and method of changing consumable items Tomoaki Hattori, Masashi Suzuki 2007-09-04
7209678 Developing cartridge detachable from image forming device 2007-04-24
7203448 Image forming apparatus 2007-04-10
7136613 Multicolor image forming apparatus and image making device Shougo Sato, Masashi Suzuki, Yasushi Okabe 2006-11-14