Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963886 | Thermal printing head | Mitsuhiko Fukuda, Yoshiaki Nagato, Masato Sakai, Takashi Ueda | 1990-10-16 |
| 4757311 | Dot matrix panel display control | Masahiro Yoshimura | 1988-07-12 |
| 4670765 | Semiconductor photodetector element | Masaru Shiraishi, Masaru Nawaki | 1987-06-02 |
| 4468584 | Unidirectional flexure type tuning fork crystal vibrator | Tamotsu Koyama | 1984-08-28 |