RY

Ryoichi Yamamoto

Fujitsu Limited: 39 patents #462 of 24,456Top 2%
MI Mitsui Petrochemical Industries: 13 patents #32 of 1,024Top 4%
Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
KM Konica Minolta: 3 patents #626 of 1,361Top 50%
MC Mitsui Chemicals: 3 patents #648 of 2,279Top 30%
KA Kao: 2 patents #1,388 of 3,221Top 45%
FU Fujifilm: 2 patents #2,431 of 4,519Top 55%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
DE Denso: 1 patents #6,940 of 11,792Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
MC Mitsui Engineering & Shipbuilding Co.: 1 patents #166 of 496Top 35%
NC Natec Co.: 1 patents #2 of 14Top 15%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
TK Teisan Kabushiki Kaisha: 1 patents #17 of 27Top 65%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
Overall (All Time): #23,762 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 1–25 of 78 patents

Patent #TitleCo-InventorsDate
11944525 Absorbent article Mina Tomita, Takuya Kouta 2024-04-02
10682864 Ink-jet image forming device 2020-06-16
9011404 Pull-on absorbent article and method of making the same Kenji Kobayashi, Kenji Ando, Takuo Yanashima, Akio Morita 2015-04-21
8152164 Image forming apparatus Hiroyuki Maeda, Naoki Nonoyama, Kuniaki Ohbayashi, Ryo HIRANO 2012-04-10
7988227 Structure for fixing fender panel in car Kenichi Kanada 2011-08-02
7881626 Image formation apparatus utilizing density of waste toner to detect amount thereof Junichi Tanimoto 2011-02-01
7660541 Image formation apparatus utilizing density of waste toner to detect amount thereof Junichi Tanimoto 2010-02-09
7372449 Display device, image display device and display method Kenichi Kodama, Seiichi Inoue, Kazuo Sanada, Koichi Kimura, Tsutomu Yokouchi 2008-05-13
7304620 Image display apparatus and image display method Seiichi Inoue, Kenichi Kodama, Tsutomu Yokouchi, Kazuo Sanada, Koichi Kimura 2007-12-04
7207660 Electrostatic ink jet head fixing a position of an edge portion of a meniscus of ink Hideyuki Koguchi 2007-04-24
7118200 Inkjet printer head Tsutomu Yokouchi 2006-10-10
7108584 Method and apparatus for manufacturing liquid drop ejecting head 2006-09-19
7070262 Droplet ejecting head Kenichi Kodama, Kazuo Sanada 2006-07-04
7043837 Method of manufacture of inkjet printer head Masao Mitani 2006-05-16
6981760 Ink jet head and ink jet printer 2006-01-03
6962407 Inkjet recording head, method of manufacturing the same, and inkjet printer Masao Mitani 2005-11-08
6733111 Inkjet head 2004-05-11
6663227 Semiconductor device and process for producing the same Masao Mitani 2003-12-16
6637868 Inkjet head and method of manufacturing the same Seiichi Inoue 2003-10-28
6598957 Recording head and process for producing the same Masao Mitani 2003-07-29
6595622 Ink jet printhead with thick substrate providing reduced warpage 2003-07-22
6582054 Image forming apparatus Nobuo Matsumoto 2003-06-24
6561608 Image forming method and apparatus Nobuo Matsumoto, Hideo Ishizaka 2003-05-13
6517181 Method and apparatus for forming image with feedback control of recording liquid 2003-02-11
6517178 Image forming method and apparatus Nobuo Matsumoto 2003-02-11