IP Library › Granted Patent US 12,720,918
Granted Patent B2
US 12,720,918 · App. 17/869,582 · Granted Aug 25, 2026

Semiconductor device having semiconductor structure with holes

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Quick Facts
Patent No.
US 12,720,918
App. No.
17/869,582
Filed
Jul 20, 2022
Granted
Aug 25, 2026
Kind
B2
Examiner
LIU, MIKKA H
Art Unit
2817
USPC
257/79
Assignments (2)
CHANGE OF NAME Recorded Apr 22, 2026
From: EPISTAR CORPORATION
To: ENNOSTAR CORPORATION
Reel/Frame 075513/0783 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 16, 2022
From: PAN, PO-CHOU; LEE, SHIH-CHANG; HSUEH, WEI-JEN; KUO, SHENG-FENG
To: EPISTAR CORPORATION
Reel/Frame 060814/0844 →
Priority Claims (1)
TW 110127032 · Jul 22, 2021 · national
Continuity (1)
Related Publication 20230027930A1 · Jan 26, 2023
References Cited (15)
US 7535946B2 · Nagatomo et al. · 2009 [cited by applicant]
US 7978745B2 · Noda et al. · 2011 [cited by applicant]
US 8149892B2 · Nagatomo et al. · 2012 [cited by applicant]
US 9130348B2 · Noda et al. · 2015 [cited by applicant]
US 20040247009A1 · Noda et al. · 2004 [cited by applicant]
US 20090074024A1 · Noda · 2009 [cited by examiner]
US 20100103972A1 · Saito · 2010 [cited by examiner]
US 20100142578A1 · Hoshino · 2010 [cited by examiner]
US 20130039375A1 · Noda · 2013 [cited by examiner]
US 20170201069A1 · Hitaka · 2017 [cited by examiner]
US 20210184430A1 · Noda · 2021 [cited by examiner]
CN 103038959B · 2015 [cited by applicant]
TW 201344948A · 2013 [cited by applicant]
TW M593068U · 2020 [cited by applicant]
Yoshida et al., [cited by applicant]