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Drug Delivery System Institute, Ltd.

USPTO Granted Patents = 12

Forward Citations = 146

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35 inventors (with patents filed for the assignee):

Kazuhiro Inoue (6 out of 49 patents)

Satoshi Okuno (5 out of 9 patents)

Teruomi Ito (5 out of 5 patents)

4. Takayuki Kawaguchi (4 out of 43 patents)

5. Toshiro Yano (4 out of 8 patents)

6. Katsutoshi Aono (4 out of 10 patents)

7. Masahiro Ikeda (3 out of 59 patents)

8. Naoyuki Yamada (2 out of 11 patents)

9. Yoshiyuki Takahara (2 out of 16 patents)

10. Keiji Yamamoto (2 out of 2 patents)

11. Hiroshi Ishihara (2 out of 2 patents)

12. Masao Motoki (2 out of 6 patents)

13. Hiroshi Susaki (1 out of 7 patents)

14. Shiro Miyoshi (1 out of 12 patents)

15. Hitoshi Yamauchi (1 out of 10 patents)

12 patents: Sort by Forward Citations

1. 6838450 - Drug complex (2005-01-04),

2. 6322996 - Protein modification method (2001-11-27),

3. 6057431 - Amidite derivatives and oligonucleotide derivatives (2000-05-02),

4. 6013526 - Modified protein for gene transfer and process for producing the same (2000-01-11),

5. 6010871 - Modification of peptide and protein (2000-01-04),

6. 5863908 - Carboxymethylmannoglucans and derivatives thereof (1999-01-26),

7. 5863907 - Carboxymethylmannoglucans and derivatives thereof (1999-01-26),

8. 5688931 - Polysaccharide derivatives and drug carriers (1997-11-18),

9. 5580904 - Formamido and carboxyamido compounds which can be retained in brain (1996-12-03),

10. 5567690 - Carboxymethylmannoglucans and derivatives thereof (1996-10-22),

11. 5463022 - N-acetylcarboxymethylchitosan derivatives and process for preparation (1995-10-31),

12. 5243035 - Sialic acid-containing glycolipid derivatives (1993-09-07),

Drug Delivery System Institute, Ltd. is a leading research and development company specializing in innovative drug delivery systems. With a team of experts and state-of-the-art technology, we aim to revolutionize the way medicines are delivered to patients. Our focus is on creating efficient, safe, and targeted delivery systems that enhance drug efficacy and patient compliance.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

12 Patents

#1,516 in Tokyo

#3,840 in Japan

#46,762 in the World

Drug Delivery System Institute, Ltd.

Forward Citations = 146

35 inventors:

Kazuhiro Inoue (6 out of 49 patents)

Satoshi Okuno (5 out of 9 patents)

Teruomi Ito (5 out of 5 patents)

4. Takayuki Kawaguchi (4 out of 43 patents)

5. Toshiro Yano (4 out of 8 patents)

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