Saturday, July 11, 2026

Patent directory · USPTO A61K / A61P

Patents matching “LTD.”

1,301 pharma patents match "LTD." in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.

Matches 1,301
Index total 30,257
Page 55 / 55

Quick answer

This filtered view shows 1,301 pharmaceutical patents matching "LTD." in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

1,301 results for “LTD.” · 30,257 patents in full index Clear search

  1. US 6022564

    Method for producing a microparticle

    Takeda Chemical Industries Ltd. · Granted Feb 8, 2000 · Expires Feb 3, 2020

    expired
  2. US 6017560

    Process for producing stabilized pharmaceutical composition

    Takeda Chemical Industries Ltd. · Granted Jan 25, 2000 · Expires Jan 20, 2020

    expired
  3. US 6015552

    Use of nerve growth factor-2 (NGF-2) /neurotrophin-3 (NT-3) to promote leukocyte proliferation

    Takeda Chemical Industries Ltd. · Granted Jan 18, 2000 · Expires Jan 13, 2020

    expired
  4. US 6015789

    Combined use of GnRH agonist and antagonist

    Takeda Chemical Industries Ltd. · Granted Jan 18, 2000 · Expires Jan 13, 2020

    expired
  5. US 6013762

    Smooth muscle mitogen and isolated DNA coding therefor

    Takeda Chemical Industries Ltd. · Granted Jan 11, 2000 · Expires Jan 6, 2020

    expired