Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4736185 | Digital display apparatus | Katsutake Matsumoto | 1988-04-05 |
| 4648104 | Pulse counting and pulse rate indicating device responsive to abrupt pulse rate change to accurately indicate current rate | Masaya Yoneyama | 1987-03-03 |
| 4614114 | Measuring device | Katsutake Matsumoto | 1986-09-30 |
| 4509044 | Device which accurately displays changes in a quantity to be measured | — | 1985-04-02 |