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Kanagawa, Japan

Yasuji Yui

USPTO Granted Patents = 18

Average Co-Inventor Count = 2.4

ph-index = 7

Forward Citations = 178(Granted Patents)

Location History:

Saitama, JP (1989 - 1990)
Kanagawa, JP (1991 - 2012)

Company Filing History:

18 out of 58,130

Sony Corporation

Years Active: 1989-2012

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8239320 - Electronic money apparatus and an electronic circuit (2012-08-07),

2. 7904390 - Management system and management method for charging object apparatus, management apparatus and charging object apparatus (2011-03-08),

3. 7613922 - Electronic device controlling apparatus, electronic device controlling system, and electronic device controlling method (2009-11-03),

4. 7580889 - Electronic apparatus, charging system and method, charge processing device, storage medium, and prepaid card (2009-08-25),

5. 7482922 - Electronic device controlling apparatus and electronic device controlling method (2009-01-27),

6. 7212114 - Communication apparatus (2007-05-01),

7. 7183894 - Communication system for accessing shared entrance of multiple dwelling house (2007-02-27),

8. 6972680 - Electronic device controlling apparatus and electronic device controlling method (2005-12-06),

9. 6039431 - Printer head cleaning device for ink jet printer (2000-03-21),

10. 5544965 - Printer (1996-08-13),

11. 5531527 - Apparatus and method for video printing (1996-07-02),

12. 5447382 - Apparatus and method for printing (1995-09-05),

13. 5385416 - Device for identifying an ink ribbon cartridge used in a printer (1995-01-31),

14. 5290114 - Ink ribbon unit and ink ribbon cassette (1994-03-01),

15. 4987047 - Imaging sheet roll containing photosensitive microcapsules (1991-01-22),

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