IN

Isao Naito

CA Cataler: 7 patents #47 of 277Top 20%
TO Toyota: 7 patents #4,145 of 26,838Top 20%
IC Isuzu Ceramics Research Institute Co.: 2 patents #6 of 24Top 25%
Overall (All Time): #477,454 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12214334 Supported catalyst particles Hiroki NIHASHI, Shogo Kawamura, Tomomasa Aikawa, Shogo SHIRAKAWA, Masahide Miura +2 more 2025-02-04
11821349 Exhaust gas purification catalyst Shogo Kawamura, Tomomasa Aikawa, Hiroki NIHASHI, Nobuyuki Takagi, Takeshi Nobukawa 2023-11-21
11719144 Exhaust gas purification catalyst Norimichi Shimano, Shogo SHIRAKAWA, Masahide Miura, Isao Chinzei, Seiji Nakahigashi +3 more 2023-08-08
11577226 Exhaust gas purification catalyst Seiji Nakahigashi, Isao Chinzei, Shogo SHIRAKAWA, Hiromasa Suzuki, Masahide Miura +8 more 2023-02-14
11426710 Exhaust gas control catalyst Takahiro NISHIO, Shogo SHIRAKAWA, Masahide Miura, Isao Chinzei, Seiji Nakahigashi +6 more 2022-08-30
11400436 Exhaust gas purification catalyst Isao Chinzei, Seiji Nakahigashi, Shogo SHIRAKAWA, Hiromasa Suzuki, Masahide Miura +7 more 2022-08-02
10189011 Exhaust gas purifying catalyst and method for producing the same Takaaki Kanazawa, Shunsuke Haga, Akiya Chiba, Motoya Abe 2019-01-29
8691721 Rhodium-loading solution and rhodium catalyst prepared using the same Akiya Chiba, Motoya Abe 2014-04-08
6216452 Exhaust gas purifying apparatus and control method therefor Kazuo Oosumi 2001-04-17
6174835 Exhaust gas purifying device and method for purifying exhaust gas Kazuo Oosumi, Yasuaki Unno 2001-01-16