KENKYUSHO, RIKAGAKU
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 06, 1998 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 467 Total Citation Count
- Jul 27, 1981 Earliest Filing
- 19 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5209847 Ultrathin membrane of polymethacrylate or polycrotonate and device provided with ultrathin membraneExpiredOct 01, 90May 11, 93[B01D]
5145778 Heparinase produced by microorganism belonging to the genus bacillusExpiredNov 22, 89Sep 08, 92[C12P, C12N]
5143835 Alkalophilic methanogen and fast methane fermentation methodExpiredMar 06, 89Sep 01, 92[C12P, C12N, C02F]
5055406 Extremely halophilic methanogenic archaebacteriaExpiredOct 07, 88Oct 08, 91[C12R, C12P, C12N]
4960696 Process for producing physiololgically active substance by multienzyme processExpiredJun 06, 88Oct 02, 90[C12P]
4882276 Process for producing physiologically active substance by multienzyme processExpiredJan 26, 83Nov 21, 89[C12Q, C12P]
4882314 A composition and method of treating selected malignant conditionsExpiredAug 04, 87Nov 21, 89[A61K]
4785426 Superconducting switching circuit, memory cell and memory circuit, with resonance damping resistorsExpiredSep 19, 85Nov 15, 88[G11C]
4778785 Pharmaceutical composition for retarding and reducing cachexiaExpiredAug 29, 86Oct 18, 88[A61K]
4670290 Multiple torch type plasma spray coating method and apparatus thereforExpiredMay 12, 86Jun 02, 87[B05D]
4584272 Adenylate kinase and process for the production thereofExpiredOct 07, 81Apr 22, 86[C12R, C12P, C12N]
4444647 Process for the oil extraction from oil sand by using cyclodextrinExpiredJan 18, 82Apr 24, 84[C10G]
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