KK

Keiji Kunimi

Ricoh Company: 13 patents #1,714 of 9,818Top 20%
HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Hitachinaka, JP: #340 of 2,447 inventorsTop 15%
Overall (All Time): #313,701 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12153838 Image forming apparatus, system, and method for detecting malfunction Takuhei Yokoyama, Ayumu HASHIMOTO, Shogo Nakamura, Akito YOSHIMURA, Masaki Yoshino 2024-11-26
12137193 Printing system for performing visible and invisible printing, terminal apparatus for the printing system, and non-transitory computer-executable medium for the printing system Kohhei Sakurada, Kohtaroh Harada 2024-11-05
11460788 Image forming apparatus Yasuhide Matsuno 2022-10-04
11314184 Image forming apparatus, image forming method, and data recording medium Kei Hasegawa, Kyoko Takeguchi 2022-04-26
11137961 Image forming apparatus for printing a designated part of print data in a special color Masato Tanaka, Hiroki Matsuura 2021-10-05
11039039 Apparatus, system, and product for converting designated image area with object for printing in a spot color into printing data Yutaka Ataku, Noboru Tamura, Ryo Kobayashi, Hiroki Matsuura, Yoshio Taga +1 more 2021-06-15
11003124 Image forming apparatus using special toner and performing fixing condition change control Masato Tanaka, Masaki Yoshino, Kazumi Suzuki 2021-05-11
10990028 Information processing apparatus, image forming system, information processing method, and recording medium Yuka Kanatani 2021-04-27
10761468 Image forming apparatus Masato Tanaka 2020-09-01
10732542 Image forming apparatus for increase of color toner in a color toner image in a special operation Masato Tanaka, Masanori Kawasumi 2020-08-04
10725420 Image forming apparatus having toner amount suppression control Masato Tanaka, Masaki Yoshino, Kazumi Suzuki 2020-07-28
9164435 Fixing device and image forming apparatus Tomoya Adachi, Atsushi Takehara, Tomohiko Fujii, Yutaka Naitoh, Minoru Toyoda +9 more 2015-10-20
8295717 Image forming apparatus Rumi Miyazaki, Atsushi Takehara 2012-10-23
6276772 Ink jet printer using piezoelectric elements with improved ink droplet impinging accuracy Masatoshi Sakata, Takashi Sekino, Kazuo Shimizu 2001-08-21
5173950 Color image transferring method and apparatus Tatunari Sato, Yukio Yamamoto 1992-12-22