Ryota KOBAYASHI

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Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
AGENT, OIL COUNTRY TUBULAR GOODS, AND THREADED JOINT FOR OIL COUNTR...
- Publication number 20240254405
- Publication date Aug 1, 2024
- JFE STEEL CORPORATION
- Yasuhide ISHIGURO
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
AGENT FOR FORMING SOLID LUBRICATING COATING FILM, OIL COUNTRY TUBUL...
- Publication number 20240254404
- Publication date Aug 1, 2024
- JFE STEEL CORPORATION
- Yasuhide ISHIGURO
- E21 - EARTH DRILLING MINING
Information Patent Application
AGENT FOR FORMING SOLID LUBRICATING COATING FILM, OIL COUNTRY TUBUL...
- Publication number 20240218280
- Publication date Jul 4, 2024
- JFE STEEL CORPORATION
- Yasuhide ISHIGURO
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...