Company Filing History:

12 out of 677

Eisai Company, Limited

patents

5 out of 21

Eisai Chemical Co., Ltd.

patents

2 out of 1,037

Agency of Industrial Science and Technology

where one patent can have more than one assignee

Years Active: 1984-2007

Loading Chart...

12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7220855 - Process for producing methylcobalamin (2007-05-22),

2. 6245911 - Donepezil polycrystals and process for producing the same (2001-06-12),

3. 5700938 - Intermediates for imidazopyridine derivatives (1997-12-23),

4. 5618969 - Intermediates for imidazopyridines (1997-04-08),

5. 5608068 - Process for the preparation of imidazopyridine derivatives and (1997-03-04),

6. 5587504 - Sulfonyloxy-biphenylcarboxylic ester derivatives which are intermediates (1996-12-24),

7. 5583229 - Process for the preparation of imidazopyridine derivatives (1996-12-10),

8. 5559236 - Intermediates for substituted biphenylmethylmidazopyridine angiotensin (1996-09-24),

9. 5557002 - Process for the preparation of biphenyl containing intermediates useful (1996-09-17),

10. 5554757 - Process for the preparation of imidazopyridine derivatives, and (1996-09-10),

11. 4500463 - Polyprenyl carboxylic acid derivatives (1985-02-19),

12. 4474881 - Process for preparing polyprenyl carboxylic acid derivatives (1984-10-02),

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com

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

Tomio Tsurugi

Location History:

Company Filing History:

Years Active: 1984-2007