Seiji TAMAKI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cylinder liner and cylinder bore
- Patent number 12,116,951
- Issue date Oct 15, 2024
- TPR CO., LTD.
- Seiji Tamaki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cylinder liner and cylinder bore
- Patent number 11,680,537
- Issue date Jun 20, 2023
- TPR CO., LTD.
- Masayuki Ohira
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Combination oil ring
- Patent number 10,890,255
- Issue date Jan 12, 2021
- TPR CO., LTD.
- Seeroku Hoshino
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Combination oil ring
- Patent number 10,571,024
- Issue date Feb 25, 2020
- TPR CO., LTD.
- Kentaro Kawano
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Cylinder Liner and Cylinder Bore
- Publication number 20230193847
- Publication date Jun 22, 2023
- TPR CO., LTD.
- Seiji Tamaki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Cylinder Liner and Cylinder Bore
- Publication number 20220372929
- Publication date Nov 24, 2022
- TPR CO., LTD.
- Masayuki Ohira
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CAST IRON CYLINDER LINER, AND INTERNAL COMBUSTION ENGINE
- Publication number 20200256277
- Publication date Aug 13, 2020
- TPR CO., LTD.
- Kiyoyuki KAWAI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COMBINATION OIL RING
- Publication number 20200166135
- Publication date May 28, 2020
- TPR CO., LTD.
- Seeroku HOSHINO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
COMBINATION OIL RING
- Publication number 20190360585
- Publication date Nov 28, 2019
- TPR CO., LTD.
- Kentaro KAWANO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...