MT

Masaaki Tokunaga

FI Fujifilm Business Innovation: 27 patents #203 of 5,238Top 4%
HI Hitachi: 18 patents #2,067 of 28,497Top 8%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
5M 501 Hitachi Metals: 1 patents #1 of 21Top 5%
📍 Yamanashi, JP: #52 of 1,957 inventorsTop 3%
Overall (All Time): #54,713 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
9764543 Paste supply apparatus and screen printing machine Hideki Uchida 2017-09-19
9566779 Paste supply apparatus, screen printing apparatus, paste supply method and screen printing method Hideki Uchida 2017-02-14
9393775 Screen printing machine and screen printing method Hideki Uchida 2016-07-19
9352548 Paste supply apparatus and screen printing machine Hideki Uchida 2016-05-31
9037041 Image forming apparatus and transfer device having a rotatable door Masakazu Shirai, Masatoshi Yamada, Hiroyuki Koide, Mabumi Kashihara 2015-05-19
8897668 Cleaning device and image forming apparatus including the same Atsushi Kaneko, Kazuyoshi Hagiwara, Kazutoshi Sugitani, Koichi Sato, Tsutomu Komiyama 2014-11-25
8862019 Cleaning device and image forming apparatus including the same Tsutomu Komiyama, Masakazu Shirai, Kazuyoshi Hagiwara, Kazutoshi Sugitani, Koichi Sato +1 more 2014-10-14
8774674 Image forming apparatus and transport guiding device having a smoothly operating door Masakazu Shirai, Masatoshi Yamada, Mabumi Kashihara, Hiroyuki Koide 2014-07-08
8750747 Developer collecting device and image forming apparatus Kazuyuki Yagata, Kiyotoshi Kaneyama, Masatoshi Yamada, Katsunori Kikuchihara, Yoshihiro Enomoto +1 more 2014-06-10
8699935 Developer conveying apparatus and image forming apparatus Kazumi Yamanaka, Yoshihiro Enomoto, Hirofumi Goto, Shinichi Kawamata, Hiroaki Yagi +1 more 2014-04-15
8693925 Powder container and image forming apparatus for causing restraining portion to contact restrained portion Kiyohito HORII, Akihiko Terao 2014-04-08
8655224 Image forming apparatus Naoto Yoshino 2014-02-18
8634755 Cleaning unit, image carrier unit, and image forming apparatus Tomoya Ichikawa, Akiko Kimura, Yuzo Ichikawa, Takahiro Shinkawa, Tsuneo Fukuzawa +2 more 2014-01-21
8630562 Image forming apparatus Masatoshi Yamada, Kiyotoshi Kaneyama 2014-01-14
8626036 Powder container and image forming apparatus having an opening/closing member Kiyohito HORII, Takeshi Okoshi, Hideaki Ozawa, Akihiko Terao 2014-01-07
8577240 Sensor member and image forming apparatus Kiyohito HORII, Takeshi Okoshi 2013-11-05
8503903 Developer collecting device and image forming apparatus Masatoshi Yamada, Kiyotoshi Kaneyama 2013-08-06
8467704 Image forming apparatus having an image transfer unit movably attached to an opening and closing member Koichi Sato 2013-06-18
8306455 Transfer device and image forming apparatus Koichi Sato 2012-11-06
8285169 Feeding apparatus and image forming apparatus Masakazu Shirai, Naoto Yoshino 2012-10-09
8229322 Image forming apparatus and apparatus exterior unit Koichi Sato 2012-07-24
7844199 Image forming apparatus having detachable intermediate transfer body Shiroh Suzuki, Kazuyoshi Hagiwara, Yousuke Hasegawa 2010-11-30
6571073 Subunit attaching structure and subunit attaching/removing method in image forming apparatus Wataru Suzuki, Atsuyuki Kitamura, Junichirou Sameshima 2003-05-27
RE38042 Anisotropic magnetic powder and magnet thereof and method of producing same Minoru Endoh, Yasuto Nozawa, Katsunori Iwasaki, Shigeho Tanigawa 2003-03-25
RE38021 Anisotropic magnetic powder and magnet thereof and method of producing same Minoru Endoh 2003-03-11