SN

Seiji Nakahigashi

TO Toyota: 11 patents #2,600 of 26,838Top 10%
CA Cataler: 10 patents #28 of 277Top 15%
Overall (All Time): #445,460 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12140060 Exhaust gas purification system Koji Sugiura, Masatoshi Ikebe, Takaya Ota, Takeshi Morishima, Eiji Harada 2024-11-12
11759769 Exhaust gas purification device Isao Chinzei, Takumi Tojo, Masahide Miura, Nobuyuki Takagi, Yoshiteru Yazawa +4 more 2023-09-19
11719144 Exhaust gas purification catalyst Norimichi Shimano, Shogo SHIRAKAWA, Masahide Miura, Isao Chinzei, Hiroki NIHASHI +3 more 2023-08-08
11633724 Methods for exhaust gas purification Shunsuke Oishi, Takaya Ota, Yoshinori Saito, Isao Chinzei, Hiromasa Suzuki 2023-04-25
11577226 Exhaust gas purification catalyst Isao Chinzei, Shogo SHIRAKAWA, Hiromasa Suzuki, Masahide Miura, Takahiro NISHIO +8 more 2023-02-14
11559768 Exhaust gas purification catalyst Isao Chinzei, Masahide Miura, Hiromasa Suzuki, Akira Morikawa, Toshio Yamamoto +5 more 2023-01-24
11524285 Exhaust gas purification catalyst device Shunsuke Oishi, Takaya Ota, Isao Chinzei, Hiromasa Suzuki, Yoshinori Saito 2022-12-13
11426710 Exhaust gas control catalyst Takahiro NISHIO, Shogo SHIRAKAWA, Masahide Miura, Isao Chinzei, Norimichi Shimano +6 more 2022-08-30
11400436 Exhaust gas purification catalyst Isao Chinzei, Shogo SHIRAKAWA, Hiromasa Suzuki, Masahide Miura, Takahiro NISHIO +7 more 2022-08-02
11053833 Exhaust gas purification catalyst Isao Chinzei, Masahide Miura, Hiromasa Suzuki, Toshio Yamamoto, Akira Morikawa +5 more 2021-07-06
10058846 Catalyst for purifying exhaust gas Yoshinori Saito, Masahide Miura, Hiromasa Suzuki, Takahiro Suzuki, Kosuke Iizuka +2 more 2018-08-28