Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6211469 | Printed circuit substrate with comb-type electrodes capable of improving the reliability of the electrode connections | — | 2001-04-03 |
| 5949512 | Mounted substrate | — | 1999-09-07 |
| 5478006 | Printed-circuit substrate and its connecting method | — | 1995-12-26 |
| 4803308 | Printed circuit board | — | 1989-02-07 |
| 4639559 | Membrane keyboard | — | 1987-01-27 |
| 4621178 | Microwave oven having a keyboard of the membrane type | Hideyuki Akao | 1986-11-04 |
| 4575601 | Keyboard of the membrane type | Hideyuki Akao | 1986-03-11 |
| 4555601 | Membrane keyboard | — | 1985-11-26 |