Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351040 | Quartz crystal wristwatch | — | 1982-09-21 |
| 4276114 | Semiconductor substrate and a manufacturing method thereof | Yukio Takano, Masahiko Ogirima, Michiyoshi Maki, Shigeo Kato | 1981-06-30 |
| 4276532 | Thermal fuse | — | 1981-06-30 |
| 4224239 | Process for preparing optically active amino acid or mandelic acid | Yasuhisa Tashiro, Takashi Nagashima, Rinzo Nishizawa | 1980-09-23 |
| 4198524 | Optically active amino acid-mandelic acid complexes | Yasuhisa Tashiro, Takashi Nagashima, Rinzo Nishizawa | 1980-04-15 |