AT

Akiyoshi Tanaka

Ricoh Company: 22 patents #966 of 9,818Top 10%
Sumitomo Electric Industries: 13 patents #1,957 of 21,551Top 10%
HG HGST: 3 patents #567 of 1,677Top 35%
LP Lenovo (Singapore) Pte.: 3 patents #409 of 1,301Top 35%
IBM: 1 patents #44,794 of 70,183Top 65%
FC Fuji Machine Mfg. Co.: 1 patents #140 of 245Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
HO Hoya: 1 patents #757 of 1,290Top 60%
LL Lenovo (Singapore) Ptd. Limited: 1 patents #1 of 29Top 4%
TS Toshiba Lifestyle Products & Services: 1 patents #39 of 81Top 50%
Overall (All Time): #62,958 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 1–25 of 46 patents

Patent #TitleCo-InventorsDate
11317775 Dust-collecting device and vacuum cleaner Nobuhide Okitsu, Kiyoshi Ebe, Fumiki Mano, Mai Oikawa, Satoshi Ohshita 2022-05-03
10882332 Image forming apparatus and image forming apparatus body Toshikane Nishii, Hiroshi Ishii, Kunihiko Nishioka, Mitsutaka Nakamura, Yasunari Harada 2021-01-05
10696063 Image forming apparatus body and image forming apparatus Toshikane Nishii, Hiroshi Ishii, Kunihiko Nishioka, Yasunari Harada, Mitsutaka Nakamura 2020-06-30
9033460 Image forming apparatus capable of collecting ink mist Yoichi Ito 2015-05-19
8757791 Image forming apparatus Yoichi Ito, Kuniyori Takano 2014-06-24
8752953 Image forming apparatus Yoichi Ito, Kuniyori Takano, Hideaki Iijima 2014-06-17
8737879 Opening and closing mechanism and image forming apparatus including the opening and closing mechanism Yoichi Ito, Kuniyori Takano, Yuuji Tanaka 2014-05-27
8714682 Image forming apparatus Yoichi Ito, Kuniyori Takano, Hideaki Iijima 2014-05-06
8573769 Image forming apparatus Yoichi Ito, Kuniyori Takano 2013-11-05
8556376 Image forming apparatus Fumitaka Kikkawa, Yoichi Ito, Tomomi Katoh, Mitsuya Matsubara, Kuniyori Takano +4 more 2013-10-15
8544983 Image forming apparatus Yoichi Ito, Soyoung Park, Kuniyori Takano 2013-10-01
8500240 Image forming apparatus, method of suctioning liquid from nozzles of recording head and computer readable information recording medium Mitsuya Matsubara, Yoichi Ito, Tomomi Katoh, Fumitaka Kikkawa, Soyoung Park +6 more 2013-08-06
8485653 Compact front-operable image forming apparatus Goro Katsuyama, Masaaki Kabumoto, Kanae Amemiya, Osamu Miki, Hideo Aoki 2013-07-16
8419156 Image forming apparatus capable of effectively damping vibration Yoichi Ito 2013-04-16
8342628 Image forming apparatus Yoichi Ito, Tsuguyori Kemma 2013-01-01
8336987 Image forming apparatus Yoichi Ito, Tsuguyori Kemma 2012-12-25
8303077 Image forming apparatus employing carriage with image forming unit mounted thereon Yoichi Ito, Tsuguyori Kemma 2012-11-06
8152294 Compact front-operable image forming apparatus Goro Katsuyama, Masaaki Kabumoto, Kanae Amemiya, Osamu Miki, Hideo Aoki 2012-04-10
7813074 Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method Susumu Shimotono, Tetsuya Noguchi, Mitsuru Ogawa 2010-10-12
7469981 Compact front-operable image forming apparatus Goro Katsuyama, Masaaki Kabumoto, Kanae Amemiya, Osamu Miki, Hideo Aoki 2008-12-30
7424611 Authentication system and method Akira Hino, Eitaroh Kasamatsu 2008-09-09
7382566 Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method Susumu Shimotono, Tetsuya Noguchi, Mitsuru Ogawa 2008-06-03
7171569 Apparatus, method and program product for preventing system mode change by mistaken instruction Shinji Ohishi, Noritoshi Yoshiyama 2007-01-30
7154692 Automatic adjustment of magnetic disk protection apparatus and method according to environment Mitsuru Ogawa, Susumu Shimotono 2006-12-26
7142385 Method, apparatus and program storage device for magnetic disk drive protection Susumu Shimotono, Mitsuru Ogawa 2006-11-28