KK

Koji Katsuragi

Ricoh Company: 20 patents #1,076 of 9,818Top 15%
MC Mita Industrial Co.: 2 patents #508 of 891Top 60%
Overall (All Time): #192,850 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11701911 Method of printing stealth white image, set of substrate and stealth ink, and printing device Haruki Saitoh 2023-07-18
11560491 Liquid composition, device for applying liquid composition, image forming device, and image forming method Dongsik Jang, Yukitaka Watarai, Tsutomu Maekawa, Takashi Tamai, Atsufumi Hanazawa 2023-01-24
11104137 Liquid discharging apparatus Yuichi Tanioku, Hisashi Habashi, Yuusuke Koizuka, Yuuki Yokohama, Masaki Kudo 2021-08-31
10947398 White ink, printed matter, method of printing, and device for printing 2021-03-16
10851253 Image forming method and image forming apparatus Tsutomu Maekawa, Takashi Tamai, Atsufumi Hanazawa, Dongsik Jang 2020-12-01
10647129 Printing method and set of processing fluid and ink Atsufumi Hanazawa, Hiroshi Gotou, Tsutomu Maekawa, Yukitaka Watarai, Tomohiro Nakagawa 2020-05-12
10596823 Ink set, white ink, recording method, and ink discharging device 2020-03-24
10316205 Recorded matter, ink for recorded matter, and ink 2019-06-11
10150880 Ink set, printing method, and printing apparatus 2018-12-11
9803093 White ink, ink set, and inkjet recording method 2017-10-31
9776424 Image forming set, image forming apparatus, and image forming method Ken Hasegawa 2017-10-03
9457606 Treatment liquid, ink set, and inkjet recording method 2016-10-04
9365729 Treatment liquid for treating recording medium, image forming method and image forming apparatus 2016-06-14
9272557 Image forming method and image forming apparatus 2016-03-01
9211726 Image forming method and image forming apparatus 2015-12-15
8998396 Treatment liquid for liquid jetting device, and cartridge containing the same 2015-04-07
8888261 Image forming method, pretreatment liquid set, and cartridge 2014-11-18
8801167 Inkjet recording apparatus, method for inkjet recording, and ink Keita Katoh, Ichiroh Fujii, Masaki Kudo, Tomohiro Nakagawa, Akihiko Gotoh 2014-08-12
8764896 Aqueous ink for liquid jetting device and ink cartridge containing the same 2014-07-01
8382271 Inkjet ink, ink cartridge, inkjet recording apparatus, inkjet recording method and image forming apparatus Hiroshi Goto, Yukitaka Watarai, Hidefumi Nagashima 2013-02-26
5062128 Timer control with selectable frequency divider Yoshiaki Yanagida, Soichi Matsuyama, Yoshihisa Ikuta 1991-10-29
4687357 Ink ribbon cassette for use in printer Hirofumi Ozaki, Yoshihiro Kawahara, Hideki Matsumoto, Tetsuro Tomoe, Kazuhiro Kobayashi 1987-08-18