For the Inventor, By the Inventor

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Masakazu Muranaka

USPTO Granted Patents = 14

EPO Patents = 1

Average Co-Inventor Count = 1.5

ph-index = 7

Forward Citations = 182(Granted Patents)

Location History:

Tokyo, JA (1977)
Tokyo, JP (1986 - 2008)

Company Filing History:

14 out of 28,559

Ricoh Company, Ltd.

Years Active: 1977-2008

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7377627 - Ink cartridge, housing therefor, ink bag, ink-jet recording apparatus, ink container, and image-forming apparatus (2008-05-27),

2. 7287843 - Ink bag, ink cartridge and ink-jet recording apparatus, ink filling method, ink refilling method, manufacturing method of ink cartridge, and recycling method of ink cartridge (2007-10-30),

3. D551288 - Ink pouch for a printer ink cartridge (2007-09-18),

4. D546876 - Ink pouch for a printer ink cartridge (2007-07-17),

5. D544909 - Ink pouch for a printer ink cartridge (2007-06-19),

6. D509242 - Ink pouch for a printer ink cartridge (2005-09-06),

7. 6681096 - Image formation apparatus, printer, copying machine, and facsimile device (2004-01-20),

8. 6345170 - Image forming apparatus for single-sided operation including a reversing device (2002-02-05),

9. D431259 - Toner cartridge (2000-09-26),

10. 6004052 - Printing device with a heater provided at a charge applying station (1999-12-21),

11. 5708938 - Wet process image forming apparatus and carrier vapor collecting device (1998-01-13),

12. 5434597 - Thermal transfer recorder (1995-07-18),

13. 4568949 - Thermal transfer printer with improved adhesion of colored material (1986-02-04),

14. 4057256 - Apparatus for detachably mounting a record sheet in place in a sheet (1977-11-08),

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