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For the Inventor, By the Inventor

Yokohama, Japan

Yutaka Watanabe

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 18(Granted Patents)


Company Filing History:

goldMedal3 out of 52,766 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal1 out of 690 
 
Nippon Oil Company
 patents
bronzeMedal1 out of 327 
 
Nippon Petrochemicals Company, Limited
 patents
4. 1 out of 11 
 
Nippon Hodo Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1988-1997

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4 patents (USPTO):Explore Patents
1. 5598712 - Latent heat accumulation system (1997-02-04),
2. 5481882 - Latent heat accumulation system (1996-01-09),
3. 5262453 - Cushion or trackbed material for use in riding-ground (1993-11-16),
4. 4739634 - Cylindrical counter-flow heat exchanger (1988-04-26),
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