HAKUTO CO., LTD.
Patent Owner
Stats
- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 08, 2013 most recent publication
Details
- 6 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 147 Total Citation Count
- Sep 26, 1979 Earliest Filing
- 14 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
8551364 Process for inhibiting polymerization of an aromatic vinyl compoundJun 20, 12Oct 08, 13[C09K, C08F, C07D]
8246858 Process for inhibiting polymerization of an aromatic vinyl compoundMar 23, 07Aug 21, 12[C09K, C10M, C07C, C07B]
7202391 Process for inhibiting polymerization of an aromatic vinyl compoundApr 18, 02Apr 10, 07[C10G]
5175279 Polysaccharide, and water absorbent, moisture absorbent or humectant and thickening agent chiefly made of the polysaccharideJul 25, 91Dec 29, 92[C07H, C12P, C08B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2008/0200,616 Method of Inhibiting Polymerization Giving Copolymer of Divinylbenzene and Aromatic Vinyl CompoundAbandonedNov 14, 05Aug 21, 08[C08F]
2008/0173,560 Glass Substrate Storage Case, Glass Substrate Transfer Apparatus, Glass Substrate Management Apparatus, Glass Substrate Distribution Method , Sealing Member, And Sealing StructureAbandonedSep 09, 05Jul 24, 08[H01L, B07C, B65D]
2008/0031,906 Cosmetic Composition and Method for Producing the SameAbandonedSep 02, 05Feb 07, 08[A61K, A61Q]
2006/0266,734 Device, method, and system for pattern formingAbandonedDec 09, 03Nov 30, 06[C03C, B44C, H05K]
2006/0163,539 Polymerization inhibitor for aromatic vinyl compounds and method for inhibiting the polymerization of the compoundsAbandonedMar 17, 04Jul 27, 06[C09K, C07C]
6740528 Method for measuring concentration of stable free radical compoundExpiredAug 30, 01May 25, 04[G01N]
5409571 Scale deposit inhibitor for kraft digesters and method for controlling scale deposition in kraft digestersExpiredFeb 01, 94Apr 25, 95[D21C]
4264397 Apparatus for sticking nonconductive tape having plating perforations to sheet metalExpiredSep 26, 79Apr 28, 81[B65H]
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