Legal Status of our Major Patents

Our Exclusive Rights to Micellar Nanoparticle Technology


Pipeline Title of the Invention Applicant/Patentee Legal Status
(R: registered;
UP : under prosecution)
Paclitaxel Micelle
(NK105)
MICELLAR PREPARATION CONTAINING SPARINGLY WATER-SOLUBLE ANTICANCER AGENT AND NOVEL BLOCK COPOLYMER Nanocarrier Co. Ltd.
Nippon Kayaku Co., Ltd.
  • R in 18 nations,
    including US and EU countries
  • UP in 3 regions including JP
Physical trapping type polymeric micelle drug preparation Japan Science and Technology Agency R in 12 nations including JP, US and EU countries
Production process for polymeric micelle composition charged therein with drug Nanocarrier Co. Ltd.
  • R in 10 nations including JP, US and EU countries
Production process for polymeric micelle composition encapsulating a drug Nanocarrier Co. Ltd.
  • R in JP
  • R in 8 nations including EU countries
  • UP in including US
LYOPHILIZING COMPOSITION OF DRUG-ENCAPSULATING POLYMER MICELLE AND METHOD FOR PREPARATION THEREOF Nanocarrier Co. Ltd.
Nanoplatin®
(NC-6004)
POLYMERIC MICELLE CONTAINING CISPLATIN ENCLOSED THEREIN AND USE THEREOF TOUDAI TLO Ltd. R in 23 nations including JP, US and EU countries
PHARMACEUTICAL COMPOSITION AND COMBINED AGENT Nanocarrier Co. Ltd. Patent pending
(PCT application)
DACH-Platin Micelle
(NC-4016)
COORDINATION COMPLEX OF DIAMINOCYCLOHEXANEPLATINUM(II) WITH BLOCK COPOLYMER CONTAINING POLY(CARBOXYLIC ACID) SEGMENT AND ANTITUMOR AGENT COMPRISING THE SAME TOUDAI TLO Ltd.
  • R in 34 nations including JP and EU countries
  • Accepted in 1 nation
  • UP in US countries
PROCESS FOR PRODUCTION OF POLYMERIZED COORDINATION COMPOUND OF PLATINUM COMPLEX Nanocarrier Co. Ltd.
The University of Tokyo
  • R in 2 nation including US
  • Accepted in 1 nation
  • UP in 6 regions including JP and EU countries
COORDINATION COMPOUND COMPOSED OF DIAMINOCYCLOHEXANE PLATINUM (II) AND BLOCK COPOLYMER AND ANTI-CANCER AGENT COMPRISING THE SAME The University of Tokyo UP in JP, US and EU countries
Protein Micelle Electrostatic bonding type macromolecular micelle drug carrier and drug carried thereon TOUDAI TLO Ltd.
  • R in 11 nations including JP and EU countries
  • UP in US
PHYSIOLOGICALLY ACTIVE POLYPEPTIDE, POLYMER MICELLE HAVING PROTEIN ENCLOSED THEREIN, AND PROCESS FOR PRODUCTION OF THE POLYMER MICELLE Nanocarrier Co. Ltd. Patent pending
(PCT application)
siRNA Micelle Electrostatic bonding type macromolecular micelle drug carrier and drug carried thereon TOUDAI TLO Ltd.
  • R in 11 nations including JP and EU countries
  • UP in US
COMPOSITION CONTAINING FINE PARTICLES AS CARRIERS FOR BIOLOGICALLY ACTIVE SUBSTANCE AND METHOD FOR PREPARING THESE TOUDAI TLO Ltd.
  • R in 6 nations including JP and EU countries
  • Accepted in US
POLYETHYLENE GLYCOL/POLYCATION BLOCK COPOLYMER The University of Tokyo
  • R in 3 nations including JP and US
  • UP in 3 regions including EU countries
COPOLYMER INCLUDING UNCHARGED HYDROPHILIC BLOCK AND CATIONIC POLYAMINO ACID BLOCK HAVING LATERAL CHAIN TO WHICH HYDROPHOBIC RADICAL IS PARTIALLY INTRODUCED, AND USE OF COPOLYMER The University of Tokyo Patent pending
(PCT application)
CATIONIC POLY (AMINO ACIDS) AND USES THEREOF The University of Tokyo
  • R in JP
  • Patent pending
    (PCT application)
Sensor Linked Micelle ACTIVE TARGETING POLYMER MICELLE ENCAPSULATING DRUG, AND PHARMACEUTICAL COMPOSITION Nanocarrier Co. Ltd.
  • R in JP
  • Accepted in 1 nation
  • UP in 6 regions including US and EU countries
pH-Sensitive Micelle NOVEL BLOCK COPOLYMER USED FOR PREPARING pH-RESPONSIVE POLYMER MICELLE, AND METHOD FOR PRODUCING SAME The University of Tokyo UP in JP
BLOCK COPOLYMER FOR DRUG COMPLEX AND PHARMACEUTICAL COMPOSITION Nanocarrier Co. Ltd.
  • R in 12 nations including EU countries
  • UP in 8 regions including JP and US
Docetaxel Micelle DOCETAXEL POLYMER DERIVATIVE, METHOD FOR PRODUCING SAME AND USE OF SAME Nanocarrier Co. Ltd. Patent pending
(PCT application)