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For the Inventor, By the Inventor

Nagasaki, Japan

Hironao Kasai

USPTO Granted Patents = 5 

Average Co-Inventor Count = 2.5

ph-index = 5

Forward Citations = 91(Granted Patents)


Company Filing History:

goldMedal4 out of 1,326 
 
Mitsubishi Jukogyo Kabushiki Kaisha
 patents
silverMedal1 out of 1 
 
Marine Giken Co., Ltd.
 patent
bronzeMedal1 out of 1 
 
Marine Techno Research, Inc.
 patent
4. 1 out of 1 
 
Marine Gikens Co., Ltd.
 patent
where one patent can have more than one assignee

Years Active: 1978-2002

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5 patents (USPTO):Explore Patents
1. 6444176 - Apparatus for purification of water area (2002-09-03),
2. 5478208 - Submersed jet pump method for generating a stream of water (1995-12-26),
3. 5417550 - Submersed jet pump for generating a stream of water (1995-05-23),
4. 4174186 - Floating-type anti-oil anti-impact anti-wave barrier (1979-11-13),
5. 4111811 - Apparatus for collecting effluent oil (1978-09-05),
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