Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876559 | Recording apparatus having a print permission circuit for protecting plural recording heads driven in accordance with selectively applied print signals from overload | — | 1989-10-24 |
| 4843894 | Measurement of sizes of falling particles | Hirokatsu Yashiro, Jiro Ohno, Yoshiteru Matsuo, Katsuhiko Yui, Hirotoshi Kawamura | 1989-07-04 |
| 4823704 | Rail vehicle conveying system and rail covers therefor | Shigeyoshi Fujita, Tomoyuki Sasaki, Kazuyoshi Fukuhara | 1989-04-25 |
| 4795723 | Electrically conductive ceramic product and process for its production | Koichi Matsuda, Masami Nakashima | 1989-01-03 |