Kiyoshi Hatakeyama

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Yokosuka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Underwater observation apparatus
- Patent number 9,817,139
- Issue date Nov 14, 2017
- Japan Agency for Marine-Earth Science and Technology
- Satoshi Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fusion cutting device
- Patent number 9,511,506
- Issue date Dec 6, 2016
- Japan Agency for Marine-Earth Science and Technology
- Kiyoshi Hatakeyama
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Fixation releasing device
- Patent number 9,254,892
- Issue date Feb 9, 2016
- Japan Agency for Marine-Earth Science and Technology
- Kiyoshi Hatakeyama
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
UNDERWATER OBSERVATION APPARATUS
- Publication number 20150301206
- Publication date Oct 22, 2015
- JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGY
- Satoshi Shimizu
- G01 - MEASURING TESTING
Information Patent Application
FUSION CUTTING DEVICE
- Publication number 20140374459
- Publication date Dec 25, 2014
- JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGY
- Kiyoshi Hatakeyama
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
FIXATION RELEASING DEVICE
- Publication number 20140315451
- Publication date Oct 23, 2014
- JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGY
- Kiyoshi Hatakeyama
- G01 - MEASURING TESTING