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Shizuoka-ken, Japan

Takashi Hibi

USPTO Granted Patents = 14

Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 225(Granted Patents)

Location History:

Kodaira, JP (1989)
Yokohama, JP (1992 - 1998)
Shizuoka, JP (2003 - 2004)
Mishima, JP (1998 - 2005)
Shizuoka-ken, JP (2005 - 2006)

Company Filing History:

13 out of 90,753

Canon Kabushiki Kaisha

Cannon Kabushiki Kaisha

Years Active: 1989-2006

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7068955 - Image forming apparatus having developer amount detector (2006-06-27),

2. 6925267 - MEMORY DEVICE STORING INFORMATION WARNING A USER ABOUT THE DEVELOPER-REMAINING AMOUNT, A PROCESS CARTRIDGE INCLUDING A MEMORY STORING SUCH INFORMATION, AND A CONTROL SYSTEM AND A MEMORY SYSTEM FOR WARNING A USER ABOUT THE DEVELOPER-REMAINING AMOUNT (2005-08-02),

3. 6912366 - IMAGE FORMING APPARATUS COMPRISING MEANS FOR DETECTING AN AMOUNT OF DEVELOPER CONTAINED IN A DEVELOPER CONTAINER, A MEMORY FOR STORING THE AMOUNT DETECTED BY THE DETECTING MEANS, AND CONTROL MEANS FOR UPDATING THE INFORMATION STORED IN THE MEMORY (2005-06-28),

4. 6785479 - Image forming apparatus having a control section for detecting an amount of developer and an amount detection method of developer of image forming apparatus (2004-08-31),

5. 6621989 - Image forming apparatus and a unit detachably mountable on an image forming apparatus comprising means for detecting the amount of developer contained in a developer container (2003-09-16),

6. 6615001 - Cartridge, image forming apparatus and method of controlling the image forming apparatus (2003-09-02),

7. 6477336 - Process cartridge and image forming apparatus having a developer amount detecting member (2002-11-05),

8. 6400918 - Cleaning device and image forming apparatus using the cleaning device (2002-06-04),

9. 6253044 - Image forming apparatus having blade cleaning device applied thereto, and process cartridge (2001-06-26),

10. 5835818 - Service life informing device for charged member, informing method (1998-11-10),

11. 5740509 - Magnet roller and developing device (1998-04-14),

12. 5126800 - Process cartridge and image forming apparatus usable with same featuring (1992-06-30),

13. 5095335 - Copier with retractable charging unit to prevent damage to drum when (1992-03-10),

14. 4823689 - Elastic roller with internal openings for use with image forming (1989-04-25),

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