AM

Akihiko Maruyama

SE Seiko Epson: 27 patents #582 of 7,774Top 8%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
KC Kyowa Hakko Kogyo Co.: 4 patents #233 of 943Top 25%
AT Agency Of Industrial Science And Technology: 3 patents #163 of 1,778Top 10%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
HM Hitachi Aloka Medical: 1 patents #35 of 93Top 40%
Overall (All Time): #69,080 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDate
12285951 Supply unit, liquid discharge device, and liquid container Seiya Sato, Seiji Tojo 2025-04-29
12233652 Tank unit and liquid ejecting apparatus Nanami HAGA, Yuta KOMATSU 2025-02-25
11878534 Supply unit and liquid ejection apparatus Tomoyuki MIYAZAWA 2024-01-23
10363742 Liquid ejecting apparatus Akihiro Toya 2019-07-30
10363753 Liquid ejecting apparatuses 2019-07-30
9315035 Liquid container retaining unit and liquid ejecting apparatus Yuji Aoki 2016-04-19
9315033 Recording apparatus Yuji Miyamoto, Satoshi Iwaya, Tokujiro Okuno, Katsutomo Tsukahara 2016-04-19
9086063 Pump apparatus Seiya Sato 2015-07-21
8967767 Liquid ejecting apparatus 2015-03-03
8958993 Switching-device remaining lifetime diagnosis method and apparatus Katsuhiko Horinouchi 2015-02-17
8408257 Liquid medicine dispensing device Tsuyoshi Ono, MASANORI HAMAMOTO, Yoshiyuki Kojo, Hideaki Kubonoya 2013-04-02
8172349 Fluid discharge device, control method for a fluid discharge device, and a fluid tank 2012-05-08
8040210 Electromagnetically operated switching device Tae Hyun Kim, Tomotaka Yano 2011-10-18
7946694 Liquid ejecting apparatus Hiroyuki Hagiwara 2011-05-24
7936549 State grasp device, and switching control device of power switching apparatus employing the state grasp device Toshie Takeuchi, Mitsuru Tsukima, Toshihiro Matsunaga, Katsuhiko Horinouchi 2011-05-03
7739058 Condition-monitoring device and switch-control device provided with the same 2010-06-15
7364352 Time measurement device and method Hidehiro Akahane, Kenichi Okuhara, Nobuhiro Koike 2008-04-29
7226767 Process for producing cytidine diphosphate choline Tatsuro Fujio, Sadao Teshiba 2007-06-05
6912181 Electronic timepiece with controlled date display updating Akihiro Sawada 2005-06-28
6789968 Printer having a selector associated with a carriage for actuating a plurality of switching mechanisms Toshiyuki Sasaki 2004-09-14
6724692 Time measurement device and method Hidehiro Akahane, Kenichi Okuhara, Nobuhiro Koike 2004-04-20
6664063 Methods for separating,fractionating and analyzing gene of virus existing in hydrosphere Hisaaki Yagi, Ryuichiro Kurane 2003-12-16
6639874 Pointer electronic timepiece, operating method and control program thereof Eisaku Shimizu 2003-10-28
RE38197 Multifunction electronic analog timepiece Kenji Sakamoto, Tatsuo Moriya, Hiroshi Yabe, Takashi Kawaguchi, Masato Yoshino 2003-07-22
6567345 Clocking device Tsuneaki Furukawa, Nobuhiro Koike, Eiichi Hiraya 2003-05-20