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.
  • UP in 6 regions including JP, US and EP
  • R in 2 nations
Physical trapping type polymeric micelle drug preparation Japan Science and Technology Agency R in 12 nations including JP, US and EP countries
Production process for polymeric micelle composition charged therein with drug Nanocarrier Co. Ltd.
  • R in 9 nations including JP, US and EP countries
  • UP in 1 nation
Production process for polymeric micelle composition encapsulating a drug Nanocarrier Co. Ltd.
  • R in JP
  • R in 7 nations including EP countries
  • UP in 3 nations including US
  • *PCT application was filed on the basis of the two JP applications
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 EP 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 3 nations including JP and accepted in EP
  • UP in 4 nations including US
PROCESS FOR PRODUCTION OF POLYMERIZED COORDINATION COMPOUND OF PLATINUM COMPLEX Nanocarrier Co. Ltd.
The University of Tokyo
  • UP and under transition in 8 regions including JP, US and EP
  • Accepted in 1 nation
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 EP
Protein Micelle Electrostatic bonding type macromolecular micelle drug carrier and drug carried thereon TOUDAI TLO Ltd.
  • R in 11 nations including JP and EP 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 EP countries
  • UP in US
COMPOSITION CONTAINING FINE PARTICLES AS CARRIERS FOR BIOLOGICALLY ACTIVE SUBSTANCE AND METHOD FOR PREPARING THESE TOUDAI TLO Ltd.
  • R in 5 nations including EP countries
  • UP in JP and US
POLYETHYLENE GLYCOL/POLYCATION BLOCK COPOLYMER The University of Tokyo
  • UP and under transition in 3 regions including EP
  • R in 1 country and accepted in JP and US
POLYMER MICELLE COMPLEX INCLUDING NUCLEIC ACID The University of Tokyo UP in JP and US
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)
Sensor Linked Micelle ACTIVE TARGETING POLYMER MICELLE ENCAPSULATING DRUG, AND PHARMACEUTICAL COMPOSITION Nanocarrier Co. Ltd.
  • accepted in JP
  • UP and under transition in 6 regions including US and EP
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. UP and under transition in 9 regions including JP, US and EP
Docetaxel Micelle DOCETAXEL POLYMER DERIVATIVE, METHOD FOR PRODUCING SAME AND USE OF SAME Nanocarrier Co. Ltd. Patent pending
(PCT application)
Pagetop