Maintenance fees coming due

Hitachi Astemo, Ltd.

693 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 21, 2026. Unpaid by May 21, 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 10,294,829	Valve Timing Control Device for Internal Combustion Engine Hitachi Astemo, Ltd. In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends May 6, 2036 · High confidence	Hitachi Astemo, Ltd.	In force	Nov 21, 2026	May 21, 2027	Term ends May 6, 2036	High confidence
US 9,043,081	Electronic Control Device and Vehicle Control System Hitachi Astemo, Ltd. In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Sep 12, 2032 · High confidence	Hitachi Astemo, Ltd.	In force	Nov 26, 2026	May 26, 2027	Term ends Sep 12, 2032	High confidence
US 11,661,105	Steering Device Hitachi Astemo, Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Dec 8, 2038 · High confidence	Hitachi Astemo, Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Dec 8, 2038	High confidence
US 11,664,756	Power Conversion Device and Motor Vehicle System Including the Same Hitachi Astemo, Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends May 25, 2040 · High confidence	Hitachi Astemo, Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends May 25, 2040	High confidence
US 9,045,133	Vehicle Travel Control Device Hitachi Astemo, Ltd. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends May 10, 2032 · High confidence	Hitachi Astemo, Ltd.	In force	Dec 2, 2026	Jun 2, 2027	Term ends May 10, 2032	High confidence
US 9,046,145	Shock Absorber Hitachi Astemo, Ltd. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Jun 15, 2032 · High confidence	Hitachi Astemo, Ltd.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Jun 15, 2032	High confidence
US 9,046,584	Battery Voltage Detector Having Pull-Up Resistor Hitachi Astemo, Ltd. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Mar 31, 2033 · High confidence	Hitachi Astemo, Ltd.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Mar 31, 2033	High confidence
US 9,048,667	Cell Controller, Battery Module and Power Supply System Hitachi Astemo, Ltd. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Dec 9, 2029 · High confidence	Hitachi Astemo, Ltd.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Dec 9, 2029	High confidence
US 9,049,049	Routing Method in In-Vehicle Gateway Device Hitachi Astemo, Ltd. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Dec 31, 2033 · High confidence	Hitachi Astemo, Ltd.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Dec 31, 2033	High confidence
US 10,309,336	Control Device for Fuel Injection Valve Hitachi Astemo, Ltd. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Jan 29, 2036 · High confidence	Hitachi Astemo, Ltd.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Jan 29, 2036	High confidence
683 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 693 patents shown. Soonest fee due date first, then patent number.

Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.

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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.