The Patent Finder

Asta, Co. Ltd.

10 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Apr 2028
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due May 19, 2027
    The maintenance fee for Mass spectrometer and spectrometry, which use near infrared fluorescence (US 10,481,086) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
  • 1 fee due Jul 21, 2027
    The maintenance fee for Apparatus and method for processing data of time-of-flight mass spectrometry (US 10,539,569) comes due Jul 21, 2027. Unpaid by Jan 21, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended since Aug 16, 2026

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Showing 1 to 10 of 10

PatentTitleStatus Expires Confidence
US 7,598,486Sample plate for glycoprotein analysis by MALDI mass spectrometry and preparation method of the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,719,126Apparatus and method for processing a sample using microwave
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,646,810Method for Improving Mass Spectrum Reproducibility and Quantitative Analysis Method Using Same
In force
 · High confidence
In forceHigh confidence
US 9,349,578Quantitative Analysis Method Using Mass Spectrometry Wherein Laser Pulse Energy Is Adjusted
In force
 · High confidence
In forceHigh confidence
US 11,348,776Integrated disease diagnostic system using matrix-assisted laser desorption/ionization time-of-flight mass spectrometer
In force (reinstated)
 · From the USPTO record
In force (reinstated)From the USPTO record
US 10,879,056Integrated disease diagnostic system using matrix-assisted laser desorption/ionization time-of-flight mass spectrometer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,197,551Integrated disease diagnostic system using matrix-assisted laser desorption/ionization time-of-flight mass spectrometer
In force (reinstated)
 · From the USPTO record
In force (reinstated)From the USPTO record
US 10,481,086Mass spectrometer and spectrometry, which use near infrared fluorescence
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,539,569Apparatus and method for processing data of time-of-flight mass spectrometry
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,619,215Sample plate for MALDI mass spectrometry and process for manufacture of the same
In force
Term ended Oct 4, 2026 · From the USPTO record
In forceTerm ended Oct 4, 2026From the USPTO record
Also on record, not counted in the 10: 5 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

1 abandoned · 2 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited