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Nippon Polyurethane Industry Co., Ltd.

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USPTO Granted Patents = 35

% Expired Patents = 31.4

EPO Patents = 2

Trademarks = 2

Forward Citations = 354

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75 inventors (with patents filed for the assignee):

Shin Konishi (10 out of 13 patents)

Yukihiro Morikawa (7 out of 8 patents)

Toshiaki Sasahara (5 out of 6 patents)

4. Mitsuhiro Yoshida (5 out of 7 patents)

5. Noriyoshi Yano (4 out of 9 patents)

6. Susumu Sato (4 out of 4 patents)

7. Takeshi Morishima (3 out of 5 patents)

8. Ichiro Higashikubo (3 out of 3 patents)

9. Tadashi Kimura (3 out of 3 patents)

10. Takao Fukami (3 out of 3 patents)

11. Yukio Ohbuchi (3 out of 3 patents)

12. Mitsushige Ikemoto (2 out of 6 patents)

13. Masahiro Hayashi (2 out of 28 patents)

14. Naotaka Izumi (2 out of 2 patents)

15. Iku Ohki (2 out of 2 patents)

Core Competencies:

Polyurethane Resin

Polyisocyanate

Adhesive Composition

Coating Agent

Self-Emulsifiable

Colored Resin Powder

Thermoplastic Elastomer

Compression Molded Article

Water-Base Paint

Lignocellulose

Quick-Curing Composition

Thermosetting Urethane

35 patents: Sort by Forward Citations

1. 8158741 - Composition for polyurethane resin formation, sealing material, and hollow-fiber membrane module (2012-04-17),

2. 7906579 - Aqueous modified polyisocyanate, non-yellowing coating composition, and adhesive composition (2011-03-15),

3. 7868065 - Production process of colored resin powder (2011-01-11),

4. 7709427 - Lubricant composition, speed reduction gear using the same, and electric power steering apparatus using the same (2010-05-04),

5. 7405258 - Method for producing polyurethane emulsion for aqueous one-component coating agent (2008-07-29),

6. 6872796 - Sealing gasket for closure and process for production of closure using the same (2005-03-29),

7. 6743374 - Self-emulsifiable polyisocyanate with high functionality and process for producing the same (2004-06-01),

8. 6649084 - Polyisocyanate curing agent for laminate adhesive, and laminate adhesive using the same (2003-11-18),

9. 6635695 - Adhesive composition for lignocellulose-type hot-pressed forms, and hot-pressed form production process using the same (2003-10-21),

10. 6608160 - Composition for production of cover packing and process for production of cover packing using the same (2003-08-19),

11. 6596819 - Polyisocyanate curing agent for laminate adhesive and process for production thereof (2003-07-22),

12. 6482523 - Adhesive for lamination (2002-11-19),

13. 6309507 - Polyisocyanate curing agent for laminate adhesive laminate adhesive comprising the same and its use (2001-10-30),

14. 5998539 - Water-dispersible blocked isocyanate composition, and water-base paint (1999-12-07),

15. 5744079 - Process for producing compression molded article of lignocellulose type (1998-04-28),

Company Overview

Nippon Polyurethane Industry Co., Ltd. is a prominent player in the development and manufacturing of polyurethane products, catering to various industries including automotive, construction, and consumer goods. The company specializes in innovative solutions that enhance product performance and sustainability, focusing on advanced materials and technologies. With a strong presence in Japan, it leverages its expertise to address the evolving needs of its clients, contributing to advancements in material science and engineering.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

35 Patents

#996 in Tokyo

#2,133 in Japan

#19,187 in the World

Nippon Polyurethane Industry Co., Ltd.

Forward Citations = 354

75 inventors:

Shin Konishi (10 out of 13 patents)

Yukihiro Morikawa (7 out of 8 patents)

Toshiaki Sasahara (5 out of 6 patents)

4. Mitsuhiro Yoshida (5 out of 7 patents)

5. Noriyoshi Yano (4 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Polyurethane Industry Co., Ltd.. Retrieved from https://idiyas.com/company/nippon-polyurethane-industry-company

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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