Makoto Takeishi

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Ichihara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat treatment oil composition
- Patent number 7,993,473
- Issue date Aug 9, 2011
- Idemitsu Kosan Co., Ltd.
- Masahiro Kobessho
- C21 - METALLURGY OF IRON
Information Patent Grant
Quenching oil for reduced pressure quenching and method for quenching
- Patent number 7,851,422
- Issue date Dec 14, 2010
- Idemitsu Kosan Co., Ltd.
- Katsumi Ichitani
- C21 - METALLURGY OF IRON
Information Patent Grant
Quenching method
- Patent number 7,503,985
- Issue date Mar 17, 2009
- Idemitsu Kosan Co., Ltd.
- Katsumi Ichitani
- C21 - METALLURGY OF IRON
Information Patent Grant
Oil composition for heat treatment
- Patent number 7,347,927
- Issue date Mar 25, 2008
- Idemitsu Kosan Co., Ltd.
- Katsumi Ichitani
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HEAT TREATMENT OIL COMPOSITION
- Publication number 20090056834
- Publication date Mar 5, 2009
- IDEMITSU KOSAN CO., LTD.
- Masahiro Kobessho
- C21 - METALLURGY OF IRON
Information Patent Application
Quenching oil for reduced pressure quenching and method for quenching
- Publication number 20070191241
- Publication date Aug 16, 2007
- IDEMITSU KOSAN CO., LTD.
- Katsumi Ichitani
- C21 - METALLURGY OF IRON
Information Patent Application
Heat treatment oil composition
- Publication number 20030201205
- Publication date Oct 30, 2003
- Katsumi Ichitani
- C21 - METALLURGY OF IRON
Information Patent Application
Quenching method
- Publication number 20030136484
- Publication date Jul 24, 2003
- Idemitsu Kosan Co., Ltd.
- Katsumi Ichitani
- C21 - METALLURGY OF IRON