Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879335 | Black liquid colorant and polyester fibers dope-dyed therewith | Fumio Hirota, Tsutomu Kado, Shosuke Oku | 1989-11-07 |
| D303537 | Cash register or similar article | Shuzo Kato | 1989-09-19 |
| 4822186 | Carriage mechanism for thermal printer | Seiji Hanaoka, Masahiro Minowa, Masataka Okamura, Masao Masumura, Tooru Iwasa +2 more | 1989-04-18 |
| 4798765 | Perpendicular magnetic recording medium | Yasuo Ishizaka, Kazuo Kimura, Eiichiro Imaoka | 1989-01-17 |