Inventor · disambiguated record
Masayuki Kitagawa
Also filed as: KITAGAWA MASAYUKI
26 granted patents·8 pending applications·675 citations·filing 1987–2021
96Inventor score
Files withNIPPON KAYAKU KK11MITSUMI ELECTRIC CO LTD7KITAGAWA MASAYUKI6DAIICHI SEIYAKU CO1MITSUMI ELECTRONICS CO LTD1
Top patents by PatentIndex Score
34 records- 0192US6708231B1Method and system for performing a peripheral firmware updateMITSUMI ELECTRIC CO LTD·Filed 1999·Granted Mar 16, 2004·196 cites·32 claims
- 0291US6357021B1Method and apparatus for updating firmwareMITSUMI ELECTRIC CO LTD·Filed 1999·Granted Mar 12, 2002·244 cites·7 claims
- 0389US8703878B2High-molecular weight conjugate of steroidsKITAGAWA MASAYUKI·Filed 2008·Granted Apr 22, 2014·14 cites·9 claims
- 0489US8323669B2Polymer conjugate of taxaneKITAGAWA MASAYUKI·Filed 2007·Granted Dec 4, 2012·15 cites·6 claims
- 0586US7495099B2High-molecular weight derivatives of camptothecinsNIPPON KAYAKU KK·Filed 2003·Granted Feb 24, 2009·24 cites·6 claims
- 0681US8920788B2High-molecular weight conjugate of physiologically active substancesKITAGAWA MASAYUKI·Filed 2009·Granted Dec 30, 2014·6 cites·18 claims
- 0780US8808749B2Polymer conjugate of bioactive substance having hydroxy groupKITAGAWA MASAYUKI·Filed 2010·Granted Aug 19, 2014·11 cites·22 claims
- 0880US6496406B1Systems for managing optical disk drive parametersMITSUMI ELECTRIC CO LTD·Filed 2000·Granted Dec 17, 2002·26 cites·17 claims
- 0979US8940332B2High-molecular weight conjugate of podophyllotoxinsKITAGAWA MASAYUKI·Filed 2007·Granted Jan 27, 2015·5 cites·5 claims
- 1078US6862258B2Recordable optical drive automatically changing a writing speed in accordance with an interface data transfer speedMITSUMI ELECTRIC CO LTD·Filed 2001·Granted Mar 1, 2005·12 cites·27 claims
- 1178US6603676B2Method of managing optical disk drive parametersMITSUMI ELECTRIC CO LTD·Filed 2002·Granted Aug 5, 2003·21 cites·11 claims
- 1271US4841076ABenzopyran derivativesDAIICHI SEIYAKU CO·Filed 1987·Granted Jun 20, 1989·16 cites·6 claims
- 1368US6820166B2System for associating a function to an entity capable of communicating data across an interfaceMITSUMI ELECTRIC CO LTD·Filed 2001·Granted Nov 16, 2004·13 cites·13 claims
- 1467US9346923B2Method for manufacturing block copolymerYAMAMOTO KEIICHIROU·Filed 2012·Granted May 24, 2016·1 cites·8 claims
- 1564US9806824B2Wireless power supply receiver-transmitter device, wireless power supply receiver and wireless power supply transmitterROHM CO LTD·Filed 2013·Granted Oct 31, 2017·2 cites·23 claims
- 1664US2015011715A1High-Molecular Weight Conjugate Of Resorcinol DerivativesNIPPON KAYAKU KK·Filed 2014·Application pending·0 cites
- 1763US2016279164A1High-Molecular Weight Conjugate Of Resorcinol DerivativesNIPPON KAYAKU KK·Filed 2016·Application pending·0 cites
- 1860USRE46190EHigh-molecular weight conjugate of steroidsNIPPON KAYAKU KK·Filed 2008·Granted Nov 1, 2016·0 cites·10 claims
- 1960US6078541ADevice controller having volatile and non-volatile memory for storage of decompressed and compressed dataMITSUMI ELECTRONICS CO LTD·Filed 1998·Granted Jun 20, 2000·46 cites·37 claims
- 2057US5450251ASector relocation system in a magnetic disc apparatusNEC CORP·Filed 1994·Granted Sep 12, 1995·11 cites·8 claims
- 2156US2009239782A1High-molecular weight conjugate of resorcinol derivativesNAKAMURA MASAHARU·Filed 2007·Application pending·0 cites
- 2255US2024024339A1Composition containing water-soluble drug causing vascular disorder, solution for use in preparation of administration solution containing water-soluble drug causing vascular disorder, kit, agent for suppressing vascular disorder, and solution containing nonionic surfactantNIPPON KAYAKU KK·Filed 2021·Application pending·0 cites
- 2349US4992368ANovel process for producing oxetanocin GNIPPON KAYAKU KK·Filed 1990·Granted Feb 12, 1991·3 cites·7 claims
- 2449US2010004403A1High-Molecular Weight Conjugate of CombretastatinsKITAGAWA MASAYUKI·Filed 2007·Application pending·0 cites
- 2545US2017363777A1Multilayer laminated substrateTORAY INDUSTRIES·Filed 2016·Application pending·0 cites
- 2643US2004030742A1System and method for communicating data using a multiple-role entityFiled 2002·Application pending·0 cites
- 2742US5028598AOxetanocin derivatives and their salts as well as use thereofNIPPON KAYAKU KK·Filed 1990·Granted Jul 2, 1991·3 cites·4 claims
- 2841US2002194583A1System and method for automatically transferring data to a hostFiled 2001·Application pending·0 cites
- 2937US5179084AAntiviral phosphoric acid esters of oxetanocinsNIPPON KAYAKU KK·Filed 1990·Granted Jan 12, 1993·2 cites·4 claims
- 3036US5283331A2-halogeno-oxetanocin A and phosphoric ester thereofNIPPON KAYAKU KK·Filed 1991·Granted Feb 1, 1994·2 cites·2 claims
- 3132US6618216B2Digital tape driveMITSUMI ELECTRIC CO LTD·Filed 1998·Granted Sep 9, 2003·1 cites·36 claims
- 3231US5505944APhysiologically active substance NK175203, process for production thereof and pharmaceutical use thereofNIPPON KAYAKU KK·Filed 1993·Granted Apr 9, 1996·1 cites·5 claims
- 3331US5164500AOxetanocin GNIPPON KAYAKU KK·Filed 1990·Granted Nov 17, 1992·0 cites·1 claims
- 3430US9036675B2Communication module and portable electronic deviceOBIKA AKIRA·Filed 2012·Granted May 19, 2015·0 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Masayuki Kitagawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →