Patent Explorer
Browse, filter, and analyze 13 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US6445183B1 | Magnetic resonance image diagnosing apparatus | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1999-12-03 | 2002-09-03 | 2019-12-03 | 0.0 yrs | 30 | |
| US5684398A | Fluid measurement method using nuclear magnetic resonance imaging and apparatus therefor | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1994-09-01 | 1997-11-04 | 2014-09-01 | 0.0 yrs | 30 | |
| US5115812A | Magnetic resonance imaging method for moving object | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1989-11-28 | 1992-05-26 | 2009-11-28 | 0.0 yrs | 10 | |
| US4962763A | Magnetic resonance image synthesizing system | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1988-06-22 | 1990-10-16 | 2008-06-22 | 0.0 yrs | 5 | |
| US4905206A | Ultrasonic doppler flow meter | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1989-06-20 | 1990-02-27 | 2009-06-20 | 0.0 yrs | 25 | |
| US4889127A | Nuclear magnetic resonance imaging apparatus | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1987-04-13 | 1989-12-26 | 2007-04-13 | 0.0 yrs | 5 | |
| US4811740A | Ultrasonic diagnosis apparatus capable of probe exchange | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1987-12-10 | 1989-03-14 | 2007-12-10 | 0.0 yrs | 13 | |
| US4794531A | Unsharp masking for image enhancement | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1987-04-22 | 1988-12-27 | 2007-04-22 | 0.0 yrs | 9 | |
| US4607222A | Imaging region-of-interest in medical NMR observation | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1984-02-10 | 1986-08-19 | 2004-02-10 | 0.0 yrs | 7 | |
| US4492869A | Radiation detector | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1981-10-20 | 1985-01-08 | 2001-10-20 | 0.0 yrs | 71 | |
| US4215584A | Method for transmission and reception of ultrasonic beams using ultrasonic transducer element array | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1977-09-07 | 1980-08-05 | 1997-09-07 | 0.0 yrs | 14 | |
| US4119939A | Acoustic imaging method and apparatus | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1977-03-16 | 1978-10-10 | 1997-03-16 | 0.0 yrs | 10 | |
| US3896788A | Doppler effect blood flow meter | Hitachi Healthcare Manufacturing Ltd | Expired / Lapsed | 1973-12-28 | 1975-07-29 | 1993-12-28 | 0.0 yrs | 6 |