H01B 3/306

Polyimides or polyesterimides

Official title: {Polyimides or polyesterimides}

H01B3/306 (Polyimides or polyesterimides) appears on 528 US grants and 470 published applications in this corpus.

Search patents in H01B
Granted patents
528
Published applications
470
Assignees
279
Inventors
1,303
Latest grant
6 Oct 2026

Filings by year

H01B 3/306: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976130
1977100
1978220
197980
198090
1981130
1982110
1983140
1984130
1985100
198670
198770
198870
198960
199070
199190
1992160
1993120
1994110
199570
199660
199740
199850
199930
200050
200171
200277
200316
200486
200538
200636
200718
200815
2009111
2010515
2011314
2012820
20131431
20141527
20151441
20161726
20172325
20182328
20193229
20202226
20211323
20221317
20231725
20241120
20252028
20261117

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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By later US patents