Company Filing History:

8 out of 90,594

Canon Kabushiki Kaisha

Years Active: 1991-2001

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6272300 - Remanufacturing method for process cartridge, process cartridge and image forming apparatus (2001-08-07),

2. 6246848 - Toner Container cap, toner container, and process cartridge (2001-06-12),

3. 6157796 - Developer container, process cartridge, developer sealing member and (2000-12-05),

4. 6118957 - Sealing member, process cartridge and developer supply container (2000-09-12),

5. 6097907 - Developer container, process cartridge, developer sealing member and (2000-08-01),

6. 5909606 - Tearable sealing member, developing apparatus and process cartridge (1999-06-01),

7. 5752131 - Developing apparatus with a removable sealing film and process cartridge (1998-05-12),

8. 5689772 - Frame, developing apparatus, process cartridge and electro-photographic (1997-11-18),

9. 5019467 - Thin primary cell (1991-05-28),

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.

For the Inventor, By the Inventor

Yasuo Fujiwara

Location History:

Company Filing History:

Years Active: 1991-2001