loadpatents
Patent applications and USPTO patent grants for Nakahigashi; Seiji.The latest application filed is for "exhaust gas purification device".
Patent | Date |
---|---|
Exhaust gas control catalyst Grant 11,426,710 - Nishio , et al. August 30, 2 | 2022-08-30 |
Exhaust gas purification catalyst Grant 11,400,436 - Chinzei , et al. August 2, 2 | 2022-08-02 |
Exhaust Gas Purification Device App 20220118428 - CHINZEI; Isao ;   et al. | 2022-04-21 |
Exhaust Gas Purification Catalyst App 20210205790 - NAKAHIGASHI; Seiji ;   et al. | 2021-07-08 |
Exhaust gas purification catalyst Grant 11,053,833 - Chinzei , et al. July 6, 2 | 2021-07-06 |
Exhaust Gas Control Catalyst App 20210197175 - NISHIO; Takahiro ;   et al. | 2021-07-01 |
Exhaust Gas Purification Catalyst App 20210197176 - CHINZEI; Isao ;   et al. | 2021-07-01 |
Exhaust Gas Purification Catalyst App 20210199037 - Shimano; Norimichi ;   et al. | 2021-07-01 |
Exhaust Gas Purification Catalyst Device App 20210094027 - OISHI; Shunsuke ;   et al. | 2021-04-01 |
Exhaust Gas Purification Catalyst Device App 20200376467 - OISHI; Shunsuke ;   et al. | 2020-12-03 |
Exhaust Gas Purification Catalyst App 20200355106 - CHINZEI; Isao ;   et al. | 2020-11-12 |
Exhaust Gas Purification Catalyst App 20200353411 - CHINZEI; Isao ;   et al. | 2020-11-12 |
Catalyst for purifying exhaust gas Grant 10,058,846 - Saito , et al. August 28, 2 | 2018-08-28 |
Catalyst For Purifying Exhaust Gas App 20180065111 - SAITO; Yoshinori ;   et al. | 2018-03-08 |
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