TI

Takuma Iwasaki

Ricoh Company: 22 patents #966 of 9,818Top 10%
AC Asahi Kasei Medical Co.: 1 patents #51 of 127Top 45%
JE Jeol: 1 patents #309 of 669Top 50%
YE Yaskawa Electric: 1 patents #557 of 1,006Top 60%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
Overall (All Time): #151,107 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12403428 Evaluation method for protein-containing solution Ryota Oguri 2025-09-02
11590452 Method for filtering protein-containing liquid Yoshiro Yokoyama 2023-02-28
11398364 Electron gun, electron microscope, three-dimensional additive manufacturing apparatus, and method of adjusting current of electron gun Shinichi Kitamura, Takashi Sato, Atsushi Kimura 2022-07-26
10281866 Image forming apparatus and process cartridge Michiya Okamoto, Nobuyuki Taguchi, Takeshi Fukao, Shinya Karasawa, Kentaro Nodera +1 more 2019-05-07
9671298 Force sensor and robot having force sensor Renshi Sawada, Toshihiro Takeshita, Yuji Arinaga 2017-06-06
9442429 Image forming apparatus and method of switching collected developer route in image forming apparatus Tetsuto Ueda, Hiroomi Tamura, Kazuya Saitoh, Sho Sekiguchi, Hirokatsu Suzuki +2 more 2016-09-13
9429895 Cleaning device and image forming apparatus Hajime Teraji, Hiromichi Ninomiya, Takeshi Kojima, Michiya Okamoto, Shinya Karasawa +3 more 2016-08-30
9395678 Waste toner container and image forming apparatus Shinya Karasawa, Hiromichi Ninomiya, Takeshi Kojima, Hajime Teraji, Michiya Okamoto +4 more 2016-07-19
9316997 Image forming apparatus that selectively recycles developer Tetsuto Ueda, Hiroomi Tamura, Kazuya Saitoh, Sho Sekiguchi, Hirokatsu Suzuki +1 more 2016-04-19
9285754 Image forming apparatus Kentaroh Nodera, Hiromichi Ninomiya, Masahiko Shakuto, Hajime Teraji, Daisuke Sawada 2016-03-15
9031469 Image forming apparatus and process cartridge incorporated therein Ken Amemiya, Michiya Okamoto, Shinya Karasawa 2015-05-12
8989619 Image forming apparatus having transfer belt contact and separating mechanism interfering with removable unit Shinya Karasawa, Ken Amemiya, Michiya Okamoto, Hiroyuki Uenishi 2015-03-24
8958737 Lubricant Supplying Device, Process Cartridge, and Image Forming Apparatus Shinya Karasawa, Ken Amemiya, Michiya Okamoto, Yuta Azeyanagi 2015-02-17
8934808 Charging device, including a cleaning device to clean a charging roller Ken Amemiya, Michiya Okamoto, Shinya Karasawa, Yuta Azeyanagi 2015-01-13
8918016 Process cartridge and image forming apparatus including same Michiya Okamoto, Ken Amemiya, Shinya Karasawa, Hiroyuki Uenishi, Hideki Kimura 2014-12-23
8676107 Lubricant applying device, process cartridge, and image forming apparatus Michiya Okamoto, Ken Amemiya, Shinya Karasawa, Satoshi Hatori, Toshio Koike +2 more 2014-03-18
8655205 Waste toner container and image forming apparatus including same Shinya Karasawa, Ken Amemiya, Michiya Okamoto, Yuta Azeyanagi, Hiroyuki Uenishi 2014-02-18
8655254 Lubricant applicator, image forming apparatus, and method of mounting lubricant applicator Yuji Arai, Ken Amemiya, Toshio Koike, Michiya Okamoto, Hiroyuki Nagashima +6 more 2014-02-18
8620203 Waste toner container and image forming apparatus incorporating same Shinya Karasawa, Ken Amemiya, Michiya Okamoto, Yuta Azeyanagi 2013-12-31
8611805 Waste-toner collecting device process cartridge and image forming apparatus having the same Toshio Koike, Ken Amemiya, Satoshi Hatori, Yuji Arai, Yuta Azeyanagi +1 more 2013-12-17
8588672 Lubricant applicator, process cartridge, transfer unit, and image forming apparatus Yuji Arai, Ken Amemiya, Satoshi Hatori, Toshio Koike, Michiya Okamoto +1 more 2013-11-19
8565661 Cleaning device including cleaning mechanism having noise reduction mechanism and image forming apparatus incorporating same Michiya Okamoto, Hiroyuki Nagashima, Fumihito Itoh, Hiroshi Ono, Ken Amemiya +4 more 2013-10-22
8494428 Lubricant applicator, process unit including the lubricant applicator, transfer unit including the lubricant applicator, and image forming apparatus including the process unit or the transfer unit Yuta Azeyanagi, Ken Amemiya, Satoshi Hatori, Toshio Koike, Yuji Arai +5 more 2013-07-23
8396408 Cleaning device, process cartridge, and image forming apparatus Ken Amemiya, Satoshi Hatori, Toshio Koike, Yuji Arai, Shinya Karasawa +1 more 2013-03-12
8391732 Image forming device Kenji Honjoh, Fumihito Itoh, Masahiko Shakuto, Kaoru Yoshino 2013-03-05