Taketo MAEJIMA

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Chiyoda-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Railway wheel
- Patent number 11,890,894
- Issue date Feb 6, 2024
- Nippon Steel Corporation
- Taketo Maejima
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for producing railway wheel and railway wheel
- Patent number 11,761,053
- Issue date Sep 19, 2023
- Nippon Steel Corporation
- Taketo Maejima
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Railway wheel
- Patent number 11,458,762
- Issue date Oct 4, 2022
- Nippon Steel Corporation
- Taketo Maejima
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
CRANKSHAFT AND METHOD OF MANUFACTURING FORGED MATERIAL FOR CRANKSHAFT
- Publication number 20240091847
- Publication date Mar 21, 2024
- NIPPON STEEL CORPORATION
- Manabu KUBOTA
- C21 - METALLURGY OF IRON
Information Patent Application
RAILWAY WHEEL
- Publication number 20220032681
- Publication date Feb 3, 2022
- NIPPON STEEL CORPORATION
- Taketo MAEJIMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
RAILWAY WHEEL
- Publication number 20220024247
- Publication date Jan 27, 2022
- NIPPON STEEL CORPORATION
- Taketo MAEJIMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
INDUCTION-HARDENED CRANKSHAFT AND METHOD OF MANUFACTURING ROUGHLY S...
- Publication number 20210115966
- Publication date Apr 22, 2021
- NIPPON STEEL CORPORATION
- Manabu KUBOTA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
METHOD FOR PRODUCING RAILWAY WHEEL AND RAILWAY WHEEL
- Publication number 20200102623
- Publication date Apr 2, 2020
- NIPPON STEEL CORPORATION
- Taketo MAEJIMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
RAILWAY WHEEL
- Publication number 20200070569
- Publication date Mar 5, 2020
- NIPPON STEEL CORPORATION
- Taketo MAEJIMA
- B60 - VEHICLES IN GENERAL