Takafumi Iba

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Patents Grantslast 30 patents

Information Patent Grant
Sulfur-based extreme-pressure agent and metalworking fluid
- Patent number 11,767,486
- Issue date Sep 26, 2023
- DIC Corporation
- Shuujirou Ootsuki
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricating oil composition
- Patent number 11,499,113
- Issue date Nov 15, 2022
- DIC Corporation
- Hiroshi Sakata
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for producing dialkyl polysulfide, dialkyl polysulfide, extr...
- Patent number 10,487,285
- Issue date Nov 26, 2019
- DIC Corporation
- Takafumi Iba
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Dialkyl polysulfide, process for preparing dialkyl polysulfide, ext...
- Patent number 10,131,860
- Issue date Nov 20, 2018
- DIC Corporation
- Takafumi Iba
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
SULFUR-BASED EXTREME-PRESSURE AGENT AND METALWORKING FLUID
- Publication number 20220073835
- Publication date Mar 10, 2022
- DIC CORPORATION
- Shuujirou Ootsuki
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICATING OIL COMPOSITION
- Publication number 20210371764
- Publication date Dec 2, 2021
- DIC CORPORATION
- Hiroshi Sakata
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHOD FOR PRODUCING DIALKYL POLYSULFIDE, DIALKYL POLYSULFIDE, EXTR...
- Publication number 20160215231
- Publication date Jul 28, 2016
- Takafumi Iba
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
DIALKYL POLYSULFIDE, PROCESS FOR PREPARING DIALKYL POLYSULFIDE, EXT...
- Publication number 20160097016
- Publication date Apr 7, 2016
- DIC CORPORATION
- Takafumi Iba
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...