Tokyo Keiki Inc
Tokyo KeikActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1117885A | Spherical dielectric lens and method of making same | Expired / Lapsed | 1966-07-15 | — | 0 | Details |
| US5023887A | Data transmission system using spread spectrum communication | Expired / Lapsed | 1990-02-12 | 1991-06-11 | 9 | Details |
| US4891483A | Heating apparatus for hyperthermia | Expired / Lapsed | 1986-06-25 | 1990-01-02 | 24 | Details |
| US4841990A | Applicator for use in hyperthermia | Expired / Lapsed | 1986-06-25 | 1989-06-27 | 7 | Details |
| US4690156A | Applicator for localized hyperthermia by electromagnetic wa… | Expired / Lapsed | 1985-03-01 | 1987-09-01 | 23 | Details |
| US3949696A | Marine steering arrangement | Expired / Lapsed | 1974-09-23 | 1976-04-13 | 8 | Details |
| US3505577A | Adaptive control for ship steering whereby system is less s… | Expired / Lapsed | 1967-04-04 | 1970-04-07 | 0 | Details |
| US3233171A | Apparatus for detecting the presence, magnitude and directi… | Expired / Lapsed | 1961-09-13 | 1966-02-01 | 2 | Details |