NO

Naruyasu Okamoto

HT Hitachi Plant Technologies: 8 patents #3 of 279Top 2%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Overall (All Time): #422,540 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8558035 Reaction process utilizing critical water Takeyuki Kondo, Hiroyuki Ito, Yasunari Sase, Toshiaki Matsuo, Kenichiro Oka +1 more 2013-10-15
8450531 Method for synthesizing acrolein Takeyuki Kondo, Masayuki Kamikawa, Kenichiro Oka, Toshiaki Matsuo, Masashi Tanto +4 more 2013-05-28
8198392 Polymer producing method and apparatus and polymer degassing method and apparatus Toshiaki Matsuo, Masayuki Kamikawa, Kenichiro Oka, Ryuji Kajiya 2012-06-12
8153754 Equipment and method for producing polyhydroxycarboxylic acid Masayuki Kamikawa, Toshiaki Matsuo, Kenichiro Oka, Takeyuki Kondo 2012-04-10
8106150 Polylactide manufacturing apparatus and method for manufacturing polylactide Kenichiro Oka, Toshiaki Matsuo, Masayuki Kamikawa 2012-01-31
7931872 Polymerization processor Toshiaki Matsuo, Takayuki Matsumoto 2011-04-26
7776277 Polymerization method and polymerization apparatus Mamoru Mizumoto, Toshiaki Matsuo, Takayuki Matsumoto, Ryuuji Kajiya 2010-08-17
7723540 Method and apparatus for producing polyhydroxy carboxylic acid Masayuki Kamikawa, Toshiaki Matsuo, Kenichiro Oka, Ryuji Kaziya 2010-05-25
7521524 Polymerization method and polymerization apparatus Mamoru Mizumoto, Toshiaki Matsuo, Takayuki Matsumoto, Ryuuji Kajiya 2009-04-21
7160948 Polymer alloy including polylactic acid Toshiaki Matsuo, Takayuki Matsumoto, Ryuuji Kajiya 2007-01-09
6846103 Apparatus for continuous stirring and process for continuous polycondensation of polymer resin Seiji Motohiro, Yukika Itou, Susumu Harada 2005-01-25
5653126 Packing material and air separator Susumu Harada, Satihiro Yoshimatsu, Kazuo Someya 1997-08-05