KK

Katsuhiko Kawakami

SC Softard Industries Co.: 8 patents #1 of 23Top 5%
JE Jxtg Nippon Oil & Energy: 1 patents #48 of 112Top 45%
KK Kirin Beer Kabushiki Kaisha: 1 patents #149 of 379Top 40%
DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
NL Nippon Mining Company Limited: 1 patents #97 of 262Top 40%
NL Nippon Petroleum Refining Company, Limited: 1 patents #21 of 58Top 40%
NC Nicca Chemical Co.: 1 patents #36 of 106Top 35%
Overall (All Time): #459,704 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10130978 Cleaning method of oil tank and cleaning device of same Guiqing Xu, Masayuki Kidokoro, Yasuo Uchida, Masanao Kato, Masanao Mitsuhata +3 more 2018-11-20
9586189 Catalyst loading device and catalyst loading method Masanao Kato, Yasuo Uchida 2017-03-07
7959870 Separator and unloading device Tomokazu Yanokuchi, Keiichi Yamaguchi, Masayuki Kidokoro 2011-06-14
7112311 Cooling method of hydrotreating plant and cooling unit therefor Yuji Yoshizumi, Hidekatsu Honda, Masayuki Shoji, Toshihiko Nasu, Junichi Takano 2006-09-26
6814945 Dumping device of catalyst inside reactor and dumping method using the same Nobuyoshi Sawamura, Shinichi Nagata 2004-11-09
6273102 Method of cleaning and maintaining petroleum refining plants Junichi Takano, Guiqing Xu 2001-08-14
6203766 Dumping device of catalyst inside reactor and dumping method using the same Nobuyoshi Sawamura, Shinichi Nagata 2001-03-20
5736108 Refrigerant unit in hydrogen treating plant Junichi Takano, Nobuyoshi Sawamura 1998-04-07
5413629 Laser marking and printing ink therefor Toshihiko Yasui, Yoshio Takimoto, Toshiyuki Kiyonari, Norio Endo 1995-05-09
4912071 Method of unloading catalyst Toyoo Kaijima, Tomiyasu Hirachi, Junichi Takano 1990-03-27
4268414 Method for removing and treating waste catalyst Kenji Komori, Hiroshi Megumi 1981-05-19