Assignee
NAKAHIGASHI SEIJI
JP·1 granted patent·2 pending applications·2 citations·filing 2020–2025
Top patents by PatentIndex Score
3 records- 0185US11577226B2Exhaust gas purification catalystNAKAHIGASHI SEIJI·Filed 2020·Granted Feb 14, 2023·2 cites·3 claims
- 0254US2025387783A1Exhaust gas purification deviceNAKAHIGASHI SEIJI·Filed 2025·Application pending·0 cites
- 0344US2025073640A1Exhaust gas purification deviceNAKAHIGASHI SEIJI·Filed 2024·Application pending·0 cites
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