Koji Hetsugi

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Hiratsuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for lubricating steel tubing prior to cold drawing
- Patent number 5,308,654
- Issue date May 3, 1994
- Henkel Corporation
- Yoshio Nagae
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Aqueous lubrication treatment liquid and method of cold plastic wor...
- Patent number 5,116,521
- Issue date May 26, 1992
- Nippondenso Co., Ltd.
- Hiroyuki Fujii
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...