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Tsutomu Yamakawa

USPTO Granted Patents = 17 (Patent Applications = 3)

EPO Patents = 3

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 31(Granted Patents)

Location History:

Nakakubiki-gun, JP (2003)
Niigata-ken, JP (2004 - 2007)
Joetsu, JP (2009 - 2020)

Company Filing History:

16 out of 5,966

Shin-etsu Chemical Co., Ltd.

Shin-etsu Chemical C O., Ltd.

Years Active: 2003-2020

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10858287 - Thickeners and hydraulic compositions (2020-12-08),

2. 10435332 - Method for preparing hydraulic composition (2019-10-08),

3. 10294158 - Hydraulic composition (2019-05-21),

4. 10047009 - Cement mortar composition (2018-08-14),

5. 10035728 - Concrete composition and making method (2018-07-31),

6. 9593047 - One-component water-reducing agent, and preparation of hydraulic composition (2017-03-14),

7. 9469570 - Concrete composition (2016-10-18),

8. 8652252 - Extrusion molding hydraulic composition (2014-02-18),

9. 7985293 - Hydraulic composition (2011-07-26),

10. 7588635 - Hydraulic composition (2009-09-15),

11. 7244840 - Admixture, extrudable hydraulic composition and method for the selection of admixture (2007-07-17),

12. 7151173 - Admixture, extrudable hydraulic composition and method for the selection of admixture (2006-12-19),

13. 6843845 - Admixture and extrudable hydraulic composition (2005-01-18),

14. 6814799 - Hydraulic composition for extrusion molding (2004-11-09),

15. 6811605 - Admixture and extrudable hydraulic composition (2004-11-02),

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