Tokyo Tatsuno Co., Ltd.
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 20, 1993 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 600 Total Citation Count
- Nov 05, 1981 Earliest Filing
- 19 Expired/Abandoned/Withdrawn Patents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
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Expired/Abandoned/Withdrawn Patents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]
4833310 Device for reading and writing magnetic and/or IC card as external memoryExpiredJan 29, 87May 23, 89[G06K]
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]
4602351 Device for reading and writing IC-external storage cardsExpiredJun 22, 84Jul 22, 86[G11C, G06K]
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