Iwatsu Electric Co Ltd
Iwatsu EleActive Patents
0
Total Holdings
18
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5095531A | Mobile communication position registering method and system… | Expired / Lapsed | 1988-08-08 | 1992-03-10 | 38 | Details |
| US4789924A | Microprocessor emulation apparatus for debugging a micropro… | Expired / Lapsed | 1987-09-08 | 1988-12-06 | 8 | Details |
| USD294251S | Handset and stand telephone set | Expired / Lapsed | 1986-09-30 | 1988-02-16 | 1 | Details |
| USD294023S | Combined telephone stand and handset | Expired / Lapsed | 1986-09-09 | 1988-02-02 | 1 | Details |
| USD293906S | Combined feature telephone stand and handset | Expired / Lapsed | 1986-09-09 | 1988-01-26 | 1 | Details |
| USD287489S | Handset and stand telephone unit | Expired / Lapsed | 1984-12-06 | 1986-12-30 | 1 | Details |
| USD287490S | Handset and stand telephone unit | Expired / Lapsed | 1984-12-06 | 1986-12-30 | 1 | Details |
| USD287010S | Mobile telephone unit | Expired / Lapsed | 1984-07-18 | 1986-12-02 | 1 | Details |
| USD285069S | Telephone unit | Expired / Lapsed | 1983-10-06 | 1986-08-12 | 1 | Details |
| US4568873A | Easy-to-assemble capacitive probe for a high precision dime… | Expired / Lapsed | 1983-03-14 | 1986-02-04 | 14 | Details |
| USD281423S | Call processor for a telephone system | Expired / Lapsed | 1982-12-29 | 1985-11-19 | 1 | Details |
| USD279981S | Mobile telephone unit | Expired / Lapsed | 1982-09-28 | 1985-08-06 | 1 | Details |
| USD267179S | Call processor for a telephone system | Expired / Lapsed | 1979-09-27 | 1982-12-07 | 1 | Details |
| USD265087S | Telephone unit | Expired / Lapsed | 1979-09-27 | 1982-06-22 | 1 | Details |
| USD250956S | Telephone unit | Expired / Lapsed | 1976-08-30 | 1979-01-30 | 1 | Details |
| US3971898A | Visual indicating control circuit in key telephone system | Expired / Lapsed | 1975-03-14 | 1976-07-27 | 9 | Details |
| US3824459A | Method of measuring the electrostatic capacity of a capacit… | Expired / Lapsed | 1973-09-17 | 1974-07-16 | 7 | Details |
| US3705296A | Count display system | Expired / Lapsed | 1971-02-22 | 1972-12-05 | 7 | Details |