| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Electronic time-pieces | |
| #2 | Electromechanical clocks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Aoki Motomu | 7 |
| #2 | Ishikawa Akira | 6 |
| Publication | Filing date | Title |
|---|---|---|
| CA1029968A | Electronic timepiece with digital display coupled to a counter circuit | |
| CA1029562A | Electronic timepiece convertible to stop watch performance | |
| US4031642A | Automatic calendar | |
| CA1017152A | Full electronic car clock with digital display and method of time setting therefor |