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For the Inventor, By the Inventor

Tokyo, Japan

Mitsui Takeda Chemicals, Inc.

USPTO Granted Patents = 15

% Expired Patents = 13.3


Forward Citations = 114

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29 inventors (with patents filed for the assignee):

goldMedal Shigetoshi Sasano (3 out of 5 patents)

silverMedal Sachio Igarashi (3 out of 9 patents)

bronzeMedal Hiroyuki Shiraki (3 out of 10 patents)

4.  Takashi Kumaki (3 out of 4 patents)

5.  Takashi Uchida (2 out of 8 patents)

6.  Tsutomu Tawa (2 out of 6 patents)

7.  Susumu Okatani (2 out of 2 patents)

8.  Kouichi Murayama (2 out of 2 patents)

9.  Katsuhisa Kodama (2 out of 2 patents)

10.  Masaaki Sasaki (1 out of 96 patents)

11.  Kenji Kuroda (1 out of 9 patents)

12.  Takuzo Imaizumi (1 out of 7 patents)

13.  Koichi Akiyama (1 out of 12 patents)

14.  Toshio Ito (1 out of 35 patents)

15.  Akihiro Imai (1 out of 3 patents)


15 patents:

1. 9006338 - Aqueous resin composition having gas barrier properties and laminated film using the same (2015-04-14),
2. 7364796 - Adhesive composition and flexible packaging composite film (2008-04-29),
3. 7122697 - Method for producing carbamates and method for producing isocyanates (2006-10-17),
4. 7026369 - Aqueous emulsion composition and adherent composition (2006-04-11),
5. 6908981 - Laminate adhesive (2005-06-21),
6. 6881788 - Polyurethane resin water dispersion and aqueous polyurethane adhesive (2005-04-19),
7. 6846894 - Laminate adhesive and usage thereof (2005-01-25),
8. 6833044 - Solvent-free two-component curable adhesive composition (2004-12-21),
9. 6667416 - Method and apparatus for producing polyester polyol, polyester polyol and polyurethane foam (2003-12-23),
10. 6592986 - Material for molding thermosetting resin sheet, production process, and molded product (2003-07-15),
11. 6569533 - Gas barrier polyurethane resin (2003-05-27),
12. 6548605 - Aqueous emulsion composition and adherent composition (2003-04-15),
13. 6515036 - Method of decomposing a polyurethane (2003-02-04),
14. 6489373 - Method for decomposition and recovery of polyurethane resin (2002-12-03),
15. 6375974 - Process for producing aqueous solution of fumaric acid (2002-04-23),
Company Overview
Mitsui Takeda Chemicals, Inc. is a prominent player in the chemical industry, specializing in the development and manufacturing of a diverse range of chemical products. The company focuses on advanced materials and specialty chemicals, catering to various sectors including electronics, automotive, and pharmaceuticals. With a strong emphasis on research and innovation, Mitsui Takeda aims to deliver high-quality solutions that meet the evolving needs of its global clientele, while maintaining a commitment to sustainability and environmental responsibility.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

15 Patents

#1,541 in Tokyo

#3,447 in Japan

#39,959 in the World

Tokyo, JP
Tokyo, Japan

Mitsui Takeda Chemicals, Inc.

Forward Citations = 114

29 inventors:

goldMedal Shigetoshi Sasano (3 out of 5 patents)

silverMedal Sachio Igarashi (3 out of 9 patents)

bronzeMedal Hiroyuki Shiraki (3 out of 10 patents)

4.  Takashi Kumaki (3 out of 4 patents)

5.  Takashi Uchida (2 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mitsui Takeda Chemicals, Inc.. Retrieved from https://idiyas.com/company/mitsui-takeda-chemicals

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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