Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360558 | Open cell foam resin sheet having a relief pattern thereon | Yuichi Akiba | 1982-11-23 |
| 4335692 | Spark ignition timing control system for internal combustion engines | — | 1982-06-22 |