YK

Yasuhiko Kachi

FU Fujifilm: 43 patents #98 of 4,519Top 3%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Overall (All Time): #54,423 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
11235570 Liquid discharge apparatus Shohei Saito 2022-02-01
11173717 Liquid discharge apparatus Shohei Saito 2021-11-16
11161340 Liquid discharge apparatus Shohei Saito 2021-11-02
9878560 Inkjet recording method using nozzle arrays and printed material obtained by the inkjet recording method Toshiyuki Makuta, Kazuo Sanada, Hirofumi Saita, Kazuaki Okamori 2018-01-30
9248668 Inkjet recording apparatus and inkjet recording method Kyohei MOCHIZUKI, Kazuo Sanada, Hirofumi Saita, Kazuaki Okamori 2016-02-02
8888270 Inkjet recording apparatus and image forming method 2014-11-18
8807681 Inkjet recording apparatus and method for controlling the same Hirofumi Saita, Kazuaki Okamori, Kazuo Sanada 2014-08-19
8702225 Inkjet recording apparatus and image forming method Kazuo Sanada, Hirofumi Saita 2014-04-22
8540343 Image forming apparatus 2013-09-24
8414118 Image forming method Toshiyuki Makuta, Hiroshi Yamamoto, Terukazu Yanagi, Misato Sasada 2013-04-09
8337953 Inkjet recording method and apparatus Yusuke Nakazawa, Toshiyuki Makuta, Misato Sasada, Terukazu Yanagi 2012-12-25
8337008 Inkjet recording apparatus and inkjet recording method 2012-12-25
8322843 Inkjet recording apparatus and inkjet recording method 2012-12-04
8182080 Image forming method Hiroshi Kawakami, Naoki Kusunoki 2012-05-22
8162429 Image forming apparatus 2012-04-24
8162430 Image forming apparatus 2012-04-24
8147043 Back pressure adjustment apparatus for liquid ejection head Toshiya Kojima, Masahito Katada 2012-04-03
8033658 Liquid ejection apparatus and liquid restoration method 2011-10-11
8002383 Liquid ejection apparatus and image forming apparatus Tsutomu Takatsuka 2011-08-23
7984980 Ink cartridge and inkjet recording apparatus 2011-07-26
7963643 Inkjet recording apparatus 2011-06-21
7878632 Liquid ejection apparatus and liquid supply method 2011-02-01
7845776 Inkjet recording apparatus 2010-12-07
7815294 Liquid ejection head, image forming apparatus and method of manufacturing liquid ejection head Toshiya Kojima 2010-10-19
D621442 Printer Takashi Fukui, Yasushi UEMURA, Satoshi Matsuzaka 2010-08-10