← Back to Companies

Japan Radio Co Ltd

Japan Radi
Active Patents
0
Total Holdings
8

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
JPS6453180A Gps navigation system Expired / Lapsed 1988-03-11 — 0 Details
JPS636414A Data processing system for hybrid satellite navigation Expired / Lapsed 1986-06-27 — 0 Details
US6198428B1 Three-dimensionally designed display radar Expired / Lapsed 1999-06-04 2001-03-06 19 Details
USD317156S Portable handheld telephone Expired / Lapsed 1989-12-12 1991-05-28 1 Details
US4903212A GPS/self-contained combination type navigation system Expired / Lapsed 1988-03-11 1990-02-20 19 Details
US4318100A Automatic ground clutter rejection in weather pulse radar s… Expired / Lapsed 1980-02-19 1982-03-02 16 Details
US4139847A Automatic ground-clutter rejection in weather pulse radar s… Expired / Lapsed 1977-06-15 1979-02-13 18 Details
US3679976A Elapsed time indicator having color indication Expired / Lapsed 1971-03-23 1972-07-25 12 Details