KY

Kunihiro Yamanaka

Ricoh Company: 14 patents #1,578 of 9,818Top 20%
Overall (All Time): #342,581 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11794477 Image forming apparatus, control method and non-transitory recording medium 2023-10-24
10457072 Processing object reforming apparatus, printing apparatus, processing object reforming system, printing system, and manufacturing method of printed matter Yohji Hirose, Junji Nakai 2019-10-29
9487026 Printing apparatus, printing system, and manufacturing method of printed matter Junji Nakai, Yohji Hirose 2016-11-08
8911062 Liquid-jet head and image forming apparatus Masahiro Kuwata, Satoru Tobita 2014-12-16
8894185 Liquid ejection head, ink cartridge, and image forming apparatus Kiyoshi Yamaguchi 2014-11-25
8657401 Image forming apparatus with ink-jet printing system Satoru Tobita, Naoko Kitaoka, Takashi Satou 2014-02-25
8500240 Image forming apparatus, method of suctioning liquid from nozzles of recording head and computer readable information recording medium Mitsuya Matsubara, Akiyoshi Tanaka, Yoichi Ito, Tomomi Katoh, Fumitaka Kikkawa +6 more 2013-08-06
8197048 Image forming apparatus Kenichiroh Hashimoto, Hideyuki Makita, Takahiro Yoshida, Kunihiro Miura, Takafumi Sasaki +1 more 2012-06-12
8057001 Imaging apparatus Mitsuru Shingyohuchi, Takashi Kimura, Hirotoshi Eguchi, Takahiro Yoshida, Toshihito Kamei 2011-11-15
7992967 Liquid drop ejection head and image forming apparatus 2011-08-09
7621608 Image forming apparatus having improved capability for maintaining ink delivery Masanori Kusunoki, Noriyasu Takeuchi, Tamotsu Aruga, Hiroshi Adachi 2009-11-24
7533957 Image forming apparatus Tetsuya Kaneko 2009-05-19
6568794 Ink-jet head, method of producing the same, and ink-jet printing system including the same Kaihei Isshiki, Shuya Abe, Kouji Ohnishi 2003-05-27
4922546 Radio audio/facsimile communication device Shuichi Takahashi, Masanao Horiki 1990-05-01