Rikki HOMMA

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble quenching oil composition
- Patent number 11,479,737
- Issue date Oct 25, 2022
- Idemitsu Kosan Co., Ltd.
- Katsumi Ichitani
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Water-based quenching liquid composition and method for manufacturi...
- Patent number 11,180,817
- Issue date Nov 23, 2021
- Idemitsu Kosan Co., Ltd.
- Takashi Kondo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-soluble quenching oil composition
- Patent number 11,015,230
- Issue date May 25, 2021
- Idemitsu Kosan Co., Ltd.
- Katsumi Ichitani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
WATER-SOLUBLE QUENCHING OIL COMPOSITION
- Publication number 20200354648
- Publication date Nov 12, 2020
- IDEMITSU KOSAN CO., LTD.
- Katsumi ICHITANI
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
WATER-BASED QUENCHING LIQUID COMPOSITION AND METHOD FOR MANUFACTURI...
- Publication number 20190292614
- Publication date Sep 26, 2019
- IDEMITSU KOSAN CO., LTD.
- Takashi KONDO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
WATER-SOLUBLE QUENCHING OIL COMPOSITION
- Publication number 20190100815
- Publication date Apr 4, 2019
- IDEMITSU KOSAN CO., LTD.
- Katsumi ICHITANI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...