% Expired Patents = 33.3

Forward Citations = 2

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11 inventors (with patents filed for the assignee):

Takashi Honma (2 out of 10 patents)

Yumiki Noda (2 out of 6 patents)

Hiroshi Jibiki (2 out of 4 patents)

4. Katuhiko Okazaki (2 out of 2 patents)

5. Mikito Kashima (2 out of 14 patents)

6. Tadatoshi Fujinaga (1 out of 1 patent)

7. Masato Takenouchi (1 out of 1 patent)

8. Erina Kimura (1 out of 1 patent)

9. Yu-Chin Lee (1 out of 6 patents)

10. Jen-Hai Liao (1 out of 2 patents)

11. Sung-Chen Lo (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 8981014 - Phosphorus-containing phenolic resin, method for manufacturing the same, and use of the same (2015-03-17),

2. 5945501 - Epoxy resin compositions including novel phenol novolak condensates (1999-08-31),

3. 5612442 - Phenol novolak condensate and bis(methoxymethyl)biphenyl for production (1997-03-18),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#1 in Yamaguchi

#8,932 in Taiwan

Yamaguchi, Taiwan

Meiwa Plastic Industries, Ltd.

Forward Citations = 2

11 inventors:

Takashi Honma (2 out of 10 patents)

Yumiki Noda (2 out of 6 patents)

Hiroshi Jibiki (2 out of 4 patents)

4. Katuhiko Okazaki (2 out of 2 patents)

5. Mikito Kashima (2 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Meiwa Plastic Industries, Ltd.. Retrieved from https://idiyas.com/company/meiwa-plastic-industries

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]