Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846016 | Direct-coupling/differential changeover transfer apparatus | Kenji Takeuchi, Koji Kiryu | 1989-07-11 |
| 4843408 | Thermal recording device | — | 1989-06-27 |
KT
Kazuyuki Tanaka
Seikosha Co.: 1 patents #27 of 65Top 45%
Overall (1989): #22,676 of 140,708Top 20%
2
Patents 1989