Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4700393 | Speech synthesizer with variable speed of speech | Sigeaki Masuzawa, Hideo Yoshida | 1987-10-13 |
| 4366477 | Dot matrix type running display panel for use in electronic calculators or the like | Tetsuo Iwase | 1982-12-28 |
| 4298865 | Display device for electronic calculator or the like | Sigeaki Masuzawa, Akira Tanimoto | 1981-11-03 |