ST

Sunao Takenaka

TK Toshiba Tec Kabushiki Kaisha: 22 patents #122 of 1,664Top 8%
KT Kabushiki Kaisha Toshiba: 17 patents #1,748 of 21,451Top 9%
Overall (All Time): #190,416 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12372909 Damage detection image forming apparatus 2025-07-29
11042111 Information processing apparatus, information processing system, and image forming apparatus 2021-06-22
10852692 Image forming apparatus and image forming method 2020-12-01
10816918 Image forming apparatus and image forming method 2020-10-27
10725401 Developing device with a gap forming member and image forming apparatus having the same Masato Ogasawara, Masayuki Kasukawa, Koji Imamiya 2020-07-28
10691054 Information processing apparatus, information processing system, and image forming apparatus 2020-06-23
10585381 Image forming apparatus and adjustment method of image density 2020-03-10
10437180 Image forming apparatus and image forming method 2019-10-08
10209647 Transfer apparatus and image forming apparatus Suguru Kurita, Koichiro Sato, Koji Takahashi, Kazufumi Ishida, Yoshiki Kogiso +1 more 2019-02-19
10203634 Image forming apparatus including a transfer roller cleaner and image forming method 2019-02-12
10185241 Image forming apparatus and voltage applying method Mitsutoshi Watanabe 2019-01-22
10175602 Image forming apparatus and voltage applying method Mitsutoshi Watanabe 2019-01-08
10126687 Image forming apparatus Hirotaka Fukuyama 2018-11-13
10073368 Developer with toner and carrier, and image forming apparatus using the same Masahiro Ikuta 2018-09-11
9891559 Transfer apparatus and image forming apparatus Suguru Kurita, Koichiro Sato, Koji Takahashi, Kazufumi Ishida, Yoshiki Kogiso +1 more 2018-02-13
9778589 Image forming apparatus and voltage applying method Mitsutoshi Watanabe 2017-10-03
9645519 Developer with toner and carrier, and image forming apparatus using the same Masahiro Ikuta 2017-05-09
9250568 Image forming apparatus and image forming method 2016-02-02
9188911 Image forming apparatus and image forming method 2015-11-17
8606128 Image forming apparatus and method of controlling image forming apparatus for more efficient printing 2013-12-10
7616908 Image forming apparatus and method having exposure control depending on first and second density patches Takeshi Watanabe, Daisuke Yamashita 2009-11-10
6708008 Image forming apparatus and image forming method with transfer belt drive unit control Masatoshi Hayashida, Yuichi Yokoyama 2004-03-16