Maintenance fees coming due
Hitachi Consumer Electronics Co., Ltd.
3 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 30, 2026. Unpaid by Jun 30, 2027, that one lapses early.
A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5
and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the
six month grace period that follows.
| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 9,070,412 | Channel Bitword Processor, PRML Decoder, and Optical Information Recording/Reproducing Device In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 · High confidence | Hitachi-LG Data Storage, Inc. and Hitachi Consumer Electronics Co., Ltd. | In force | Dec 30, 2026 | Jun 30, 2027 | High confidence | |
| US 9,189,324 | Data Archive System, Data Recording/Reproducing Apparatus and Data Library Apparatus In force Fee due May 17, 2027 Lapses if unpaid Nov 17, 2027 · High confidence | Hitachi - LG Data Storage, Inc., and Hitachi Consumer Electronics Co., Ltd. | In force | May 17, 2027 | Nov 17, 2027 | High confidence | |
| US 9,195,692 | Information Processing System In force Fee due May 24, 2027 Lapses if unpaid Nov 24, 2027 · High confidence | Hitachi - LG Data Storage, Inc., and Hitachi Consumer Electronics Co., Ltd. | In force | May 24, 2027 | Nov 24, 2027 | High confidence |
3 of 3 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.