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Taketsugu Yamamoto

USPTO Granted Patents = 16 (Patent Applications = 19)

Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 142(Granted Patents)

Location History:

Ibaraki-ken, JP (1997)
Ibaraki, JP (1998 - 2000)
Tsukuba, JP (2002 - 2019)

Company Filing History:

16 out of 6,896

Sumitomo Chemical Company, Limited

The University of Tokyo

where one patent can have more than one assignee

Years Active: 1997-2019

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10222321 - Laminate substrate measurement method, laminate substrate and measurement apparatus (2019-03-05),

2. 10122014 - Mixed metal oxide and sodium secondary battery (2018-11-06),

3. 9899665 - Sodium secondary battery comprising carbonaceous material (2018-02-20),

4. 9502714 - Mixed metal oxide, electrode, and sodium secondary battery (2016-11-22),

5. 9337519 - Air battery having an electrode and polymer film (2016-05-10),

6. 9142860 - Mixed metal oxide and sodium secondary battery (2015-09-22),

7. 8795894 - Positive electrode active material, sodium secondary battery, and production method of olivine-type phosphate (2014-08-05),

8. 8795889 - Transition metal phosphate, production process thereof, positive electrode, and sodium secondary battery (2014-08-05),

9. 8790831 - Powder for positive electrode active material, positive active electrode active material, and sodium secondary battery (2014-07-29),

10. 8716836 - Semiconductor wafer, semiconductor wafer manufacturing method, and electronic device (2014-05-06),

11. 6379846 - Non-aqueous electrolyte and lithium secondary battery using the same (2002-04-30),

12. 6087031 - Polymer electrolyte and process for producing the same (2000-07-11),

13. 5985477 - Polymer electrolyte for fuel cell (1999-11-16),

14. 5849434 - Non-aqueous electrolyte lithium secondary battery (1998-12-15),

15. 5795677 - Non-aqueous electrolyte and lithium secondary battery (1998-08-18),

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