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Toshiyuki Ugai

USPTO Granted Patents = 17

Average Co-Inventor Count = 3.6

ph-index = 9

Forward Citations = 188(Granted Patents)

Location History:

Kawasaki, JP (1997 - 1998)
Tokyo, JP (1992 - 2001)
Toride, JP (1999 - 2002)
Ibaraki, JP (2004)

Company Filing History:

17 out of 90,594

Canon Kabushiki Kaisha

Years Active: 1992-2004

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6835521 - Process for producing toner particles, and toner (2004-12-28),

2. 6346356 - Toner, toner production process, and image-forming method (2002-02-12),

3. 6285848 - Electrophotographic apparatus, image forming method, and process cartridge for developing an image with toner containing an external additive (2001-09-04),

4. 6054244 - Process for producing toner (2000-04-25),

5. 6030737 - Non-magnetic toner for developing electrostatic image, process for (2000-02-29),

6. 6015647 - Toner for developing electrostatic image and image forming method (2000-01-18),

7. 5994019 - Image forming method (1999-11-30),

8. 5989770 - Process for producing toner for developing electrostatic latent images (1999-11-23),

9. 5885742 - Carrier for electrophotography, two-component type developer, and image (1999-03-23),

10. 5856055 - Toner for developing electrostatic images and process for production (1999-01-05),

11. 5774771 - Image forming method and apparatus using a particular toner (1998-06-30),

12. 5733702 - Image forming method employing toner with external additive (1998-03-31),

13. 5698354 - Image-forming method and image-forming apparatus (1997-12-16),

14. 5670288 - Carrier for electrophotography, two-component type developer, and image (1997-09-23),

15. 5637432 - Toner for developing electrostatic image comprising titanium oxide (1997-06-10),

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