Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798082 | Control-display device for an engine-equiped apparatus | Tetsuzo Fujikawa, Akira Takahashi | 1989-01-17 |
| 4795656 | Cluster ion plating method for producing electrically conductive carbon film | Akira Mizoguchi, Jun Shioya, Yoshinobu Ueba, Hironaga Matsubara | 1989-01-03 |