Hiroyuki Doi

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Koto-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Grease pump unit
- Patent number 9,315,372
- Issue date Apr 19, 2016
- IHI COMPRESSOR AND MACHINERY CO., LTD.
- Hiroyuki Doi
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...

Patents Applicationslast 30 patents

Information Patent Application
GREASE PUMP UNIT
- Publication number 20140020768
- Publication date Jan 23, 2014
- KOGANEI CORPORATION
- Hiroyuki Doi
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...