Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351354 | Dust cleaner and dust cleaning method | Mamoru Kato, Isaburou Omori | 1994-10-04 |
| 5141808 | Magnetic recording medium having two magnetic layers each containing a specified polyurethane resin | Hiroshi Hashimoto, Tsutomu Okita | 1992-08-25 |
| 5023135 | Magnetic recording medium which contains a binder of nitrogen containing vinyl chloride polymer and an amino group containing polyurethane | Kouichi Mochizuki, Masaaki Fujiyama | 1991-06-11 |
| 5008147 | Magnetic recording medium | Katsumi Ryoke, Masatoshi Takahashi, Akihiro Hashimoto | 1991-04-16 |
| 4970121 | Magnetic recording medium | Fumihiro Tokunaga, Jun Nakagawa, Tsutomu Okita, Toshio Kawamata | 1990-11-13 |
| 4919856 | Process for producing membranes for use in gas separation | Takanori Anazawa, Yoshiyuki Ono | 1990-04-24 |
| 4886703 | Magnetic recording medium | Hideomi Watanabe, Tsutomu Okita, Katsumi Ryoke, Hideaki Kosha | 1989-12-12 |