Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830461 | Pressure-sensitive sensors | Minoru Ishiharada, Toshio Chikaraishi, Hiroshi Kaneda | 1989-05-16 |
| 4814214 | Process for molding and vulcanizing rubber products | Takatsugu Hashimoto | 1989-03-21 |