RS

Ryosuke Sako

NC Nihon Parkerizing Co.: 6 patents #5 of 330Top 2%
NC Nippondenso Co.: 4 patents #582 of 3,479Top 20%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
SC San-Ai Oil Co.: 2 patents #2 of 19Top 15%
HA Henkel Kommanditgesellschaft Auf Aktien: 1 patents #934 of 1,846Top 55%
Overall (All Time): #517,228 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8498912 Charge managing system, image forming apparatus, charge managing server, and image forming method Midori Murayama, Chikara Kishi, Hidenao Ubukata, Minoru Saito, Minoru Sakai +7 more 2013-07-30
8156020 Charge managing system, image forming apparatus, charge managing server, and image forming method Midori Murayama, Chikara Kishi, Hidenao Ubukata, Minoru Saito, Minoru Sakai +7 more 2012-04-10
6736908 Composition and process for treating metal surfaces and resulting article Keiichi Ueno, Takumi Honda 2004-05-18
6300395 Aqueous hydrophilization treatment composition and method for aluminum-containing metal material Tomohiro Ohsako, Tatsuo Hibino 2001-10-09
5538078 Aluminum-containing metal composite material and process for producing same Hiroyoshi Mizuno, Tomohiro Osako, Osamu Furuyama 1996-07-23
5201119 Method of manufacturing an aluminum heat exchanger Hiroyoshi Mizuno, Masayoshi Nishikawa, Noriaki Kishi, Hideaki Kaneko, Naomasa Shimotomai 1993-04-13
5070938 Aluminum heat exchanger and method of manufacturing same Hiroyoshi Mizuno, Masayoshi Nishikawa, Noriaki Kishi, Hideaki Kaneko, Naomasa Shimotomai 1991-12-10
4830101 Aluminum heat exchanger and method for producing aluminum heat exchanger Toshio Ohara, Toshio Takahashi, Masayoshi Nishikawa, Tutomu Niwa, Takao Ogino +1 more 1989-05-16
4783224 Method for hydrophilic treatment of aluminum using an amphoteric polymer Takao Ogino, Motoki Kanazawa, Akira Nishihara, Hiroshi Okita, Yoshinori Sakamoto 1988-11-08
4726886 Aluminum heat exchanger coating Hideaki Kaneko, Takao Ogino 1988-02-23