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Asahi-Dow Limited

USPTO Granted Patents = 102

Forward Citations = 1,792

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133 inventors (with patents filed for the assignee):

Isao Yoshimura (21 out of 28 patents)

Hideo Hata (17 out of 32 patents)

Takashi Kaneko (17 out of 28 patents)

4. Isamu Iwami (14 out of 16 patents)

5. Kunio Fukuda (11 out of 17 patents)

6. Kichiya Tazaki (10 out of 10 patents)

7. Osamu Mizukami (7 out of 14 patents)

8. Shinichi Izawa (7 out of 10 patents)

9. Yutaka Matsuki (7 out of 8 patents)

10. Tsuneo Hoki (7 out of 9 patents)

11. Junichi Kageyama (7 out of 7 patents)

12. Akio Yasuike (6 out of 6 patents)

13. Atsuo Nakanishi (6 out of 6 patents)

14. Seizaburo Watanabe (6 out of 6 patents)

15. Yoshiharu Kitahama (6 out of 8 patents)

Core Competencies:

Thermoplastic Resin

Cold Drawn Film

Polymeric Materials

Phosphors

Injection Molding

Heat Resistance

Foaming Compositions

Aromatic Polyether

Multilayered Film

Organic Salts

Surface Characteristics

Polyolefin Foam

102 patents: Sort by Forward Citations

1. 4701496 - Composition for drawn film, cold drawn film made of said composition and (1987-10-20),

2. 4572803 - Organic rare-earth salt phosphor (1986-02-25),

3. 4543392 - Polymeric materials and novel thermoplastic resin compositions (1985-09-24),

4. 4543391 - Polyphenylene ether compositions (1985-09-24),

5. 4537935 - Composition for cold drawn film (1985-08-27),

6. 4520072 - Heterogeneous system photosensitive oxidation sensitizer (1985-05-28),

7. 4501634 - Cold drawn high-orientation multilayered film and process for (1985-02-26),

8. 4499241 - Composition for cold drawn film (1985-02-12),

9. 4483958 - Thermoplastic polymer compositions comprising aromatic polyether and an (1984-11-20),

10. 4481334 - Composition for drawn film, cold drawn film made of said composition and (1984-11-06),

11. 4472228 - Cold drawn high-orientation multilayered film and process for (1984-09-18),

12. 4469753 - Cold drawn high-orientation multilayered film and process for (1984-09-04),

13. 4469752 - Cold drawn high-orientation multilayered film and process for (1984-09-04),

14. 4465215 - Cutting edge for dispensing container (1984-08-14),

15. 4463162 - Polynuclear fused aromatic ring type polymer and preparation thereof (1984-07-31),

Company Overview

Asahi-Dow Limited, headquartered in Tokyo, specializes in the development and manufacturing of advanced thermoplastic resin compositions. The company focuses on innovative polymeric materials, including cold drawn films and foaming compositions, which are essential for various industrial applications. With expertise in injection molding and heat-resistant materials, Asahi-Dow plays a significant role in enhancing product performance across multiple sectors, 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 20 2026

102 Patents

#534 in Tokyo

#1,109 in Japan

#7,654 in the World

Asahi-Dow Limited

Forward Citations = 1,792

133 inventors:

Isao Yoshimura (21 out of 28 patents)

Hideo Hata (17 out of 32 patents)

Takashi Kaneko (17 out of 28 patents)

4. Isamu Iwami (14 out of 16 patents)

5. Kunio Fukuda (11 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Asahi-Dow Limited. Retrieved from https://idiyas.com/company/asahi-dow

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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