Tokyo Tatsuno Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 163
 
 
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5150742 Vapor recovering device for volatile liquid dispensing apparatusMay 30, 91Sep 29, 92[F04B, B65B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5204512 Device for controlling communication between electronic information cards and host computer to be kept in secretExpiredOct 26, 90Apr 20, 93[G06K]
5173684 Low molecular weight organic liquid sensor and detection system using sameExpiredSep 07, 90Dec 22, 92[G08B]
5111201 System radio transmission of liquid level data and battery saving techniqueExpiredDec 26, 89May 05, 92[G08C, H04B, G01F]
4977912 Finely pulverized component added in vehicle spray washing water and apparatus for recovering thereofExpiredMay 04, 89Dec 18, 90[B08B]
4938315 Apparatus for exchanging oil for device having oil pan for circulating oil therebetweenExpiredDec 23, 88Jul 03, 90[F16N]
4926032 Reader and/or writer for IC cardExpiredMar 14, 88May 15, 90[G06K]
4870604 Portable data processing deviceExpiredMay 13, 87Sep 26, 89[G06F]
4835375 Device for reading/writing IC card as external memoryExpiredMay 29, 87May 30, 89[G06K]
4833310 Device for reading and writing magnetic and/or IC card as external memoryExpiredJan 29, 87May 23, 89[G06K]
4796678 Liquid delivery apparatusExpiredNov 13, 87Jan 10, 89[B65B]
4750130 Fuel delivery display and control systemExpiredMar 07, 86Jun 07, 88[G09G, G06F, B67D]
4730649 Liquid delivery nozzleExpiredSep 11, 86Mar 15, 88[B67C, B65B]
4724310 Device for inserting and holding an IC card as an external memory during reading and writing operationsExpiredJun 20, 85Feb 09, 88[G06K]
4720800 Device for measuring liquid flow volume with temperature compensatingExpiredJun 17, 87Jan 19, 88[G01F]
4601201 Liquid level and quantity measuring apparatusExpiredMar 07, 85Jul 22, 86[G01R, G01F]
4602351 Device for reading and writing IC-external storage cardsExpiredJun 22, 84Jul 22, 86[G11C, G06K]
4589069 Data input/output system for gasoline stationsExpiredSep 12, 83May 13, 86[G06F, B67D]
4522237 Apparatus for dispensing liquidsExpiredJul 08, 82Jun 11, 85[B67C, B65B]
4434657 Liquid quantity measuring apparatusExpiredNov 05, 81Mar 06, 84[G01F]

Top Inventors for This Owner

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