Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946786 | Joining jig and joining member coupling method using the joining jig | Tatsuhiko Yoshimura, Tomotsugu Sakai, Masahiko Hamada | 1999-09-07 |
| 5801266 | Method for producing acrylonitrile | — | 1998-09-01 |
| 5706698 | Knitted yarns durability tester with vibration unit | Kiyoshi Hanai, Nobuaki Funahashi, Fumio Ikeda | 1998-01-13 |
| 5327119 | Ionizing smoke sensor | — | 1994-07-05 |
| 5160916 | Ionization type smoke sensor | Atsushi Nagai | 1992-11-03 |
| 4369435 | Fire detector and fire alarm system having circuitry to detect removal of one or more detectors at a signal station | Yasaburo Adachi, Sadataka Yuchi, Akira Furuyama | 1983-01-18 |