KN

Keiichi Narita

CA Cataler: 25 patents #5 of 277Top 2%
IC Idemitsu Kosan Co.: 13 patents #105 of 1,237Top 9%
TO Toyota: 9 patents #3,216 of 26,838Top 15%
DC Daihatsu Motor Co.: 7 patents #7 of 248Top 3%
HC Hokko Chemical Industry Co.: 2 patents #30 of 157Top 20%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
PO Pokka: 1 patents #18 of 45Top 40%
SA Santoku: 1 patents #36 of 83Top 45%
Overall (All Time): #74,972 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
8993475 Oxygen storage material Mareo Kimura, Akimasa Hirai, Akiya Chiba, Naoto Miyoshi, Kazunobu Ishibashi +6 more 2015-03-31
8975204 Exhaust-gas-purifying catalyst Asuka Hori, Akimasa Hirai 2015-03-10
8598100 Lubricating oil additive and lubricating oil composition Hiroaki Koshima, Shinichi Yanagi, Hidetoshi Koga 2013-12-03
8569198 Exhaust gas-purifying catalyst Sho Hoshino, Akimasa Hirai, Kenichi Taki, Satoshi Matsueda, Asuka Hori +1 more 2013-10-29
8361925 Exhaust gas-purifying catalyst Satoshi Matsueda, Mareo Kimura, Hiroto Yoshida, Hirohisa Tanaka, Mari Uenisha +1 more 2013-01-29
8318632 Exhaust gas purification catalyst Satoshi Matsueda, Akimasa Hirai, Kenichi Taki, Yuji Yabuzaki, Daisuke Ochiai 2012-11-27
8187996 Exhaust gas-purifying catalyst Satoshi Matsueda, Mareo Kimura 2012-05-29
8158552 Exhaust gas purifying catalyst Asuka Hori, Akimasa Hirai 2012-04-17
8133839 Exhaust gas-purifying catalyst Satoshi Matsueda, Mareo Kimura, Akimasa Hirai, Hirohisa Tanaka, Mari Uenishi +2 more 2012-03-13
7976887 Method of extracting volatile component from tasty material, the volatile component and foods and drinks containing the volatile component Takashi Inoue, Yumiko Aoyama, Michiya Hayashi 2011-07-12
7956005 Exhaust gas-purifying catalyst Satoshi Matsueda, Mareo Kimura 2011-06-07
7795170 Catalyst Hirohisa Tanaka, Isao Tan, Mari Uenishi, Masashi Taniguchi, Mareo Kimura +2 more 2010-09-14
7622418 Method for producing exhaust gas purifying catalyst Hirohisa Tanaka, Isao Tan, Mari Uenishi, Nobuhiko Kajita, Masashi Taniguchi +2 more 2009-11-24
7601325 Perovskite-type composite oxide, catalyst composition and method for producing perovskite-type composite oxide Hirohisa Tanaka, Isao Tan, Mari Uenishi, Nobuhiko Kajita, Masashi Taniguchi +4 more 2009-10-13
7446070 Exhaust gas-purifying catalyst Asuka Hori, Yasunori Sato, Hirohisa Tanaka, Ichiro Takahashi, Nobuhiko Kajita 2008-11-04
7205257 Catalyst for clarifying exhaust gas Hirohisa Tanaka, Isao Tan, Mari Uenishi, Nobuhiko Kajita, Masashi Taniguchi +2 more 2007-04-17