Kabushiki Kaisha Vitamin Kenkyuso

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
 
 
C12N MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF 1166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5552157 Liposome for entrapping gene, liposomal preparation and process for the manufacture of the preparationMar 28, 95Sep 03, 96[A61K, C12N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5061691 Enkephalin analogsExpiredAug 23, 88Oct 29, 91[A61K, C07K]
5037981 Intermediates for synthesizing BH.sub.4 and its derivativesExpiredApr 27, 90Aug 06, 91[C07D]
4987150 Agent for inhibiting binding of 5-dihydro-testosterone with androgen receptor as well as process for obtaining sameExpiredJun 23, 88Jan 22, 91[A61K]
4937342 Intermediates for synthesizing BH.sub.4 and its derivativesExpiredNov 29, 88Jun 26, 90[C07D]
4906477 Antineoplastic agent-entrapping liposomesExpiredFeb 08, 88Mar 06, 90[A61J, A61K, B01J, B32B]
4756910 Adriamycin-entrapping liposome preparationExpiredNov 25, 86Jul 12, 88[A61J, A61K, B01J, B32B]
4656303 Novel resolution method of racemic mixtureExpiredOct 23, 84Apr 07, 87[C07C]
4528184 Polymer-metal complexes containing quaternary nitrogen atoms used in the treatment of hypercholesteremiaExpiredNov 02, 82Jul 09, 85[A61K]

Top Inventors for This Owner

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