Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504163 | Electron beam irradiation process and an object irradiated with an electron beam | Michio Takayama, Takeshi Hirose, Toru Kurihashi, Masayoshi Matsumoto | 2003-01-07 |
| 6188075 | Electron beam irradiating method and object to be irradiated with electron beam | Michio Takayama, Takeshi Hirose, Toru Kurihashi, Masayoshi Matsumoto | 2001-02-13 |
| 5868825 | Paint used in forming a magnetic recording medium backcoat layer | Yoshio Hara, Michio Yabuno | 1999-02-09 |
| 5698618 | Coating composition | Takashi Kamikubo, Tadashi Itabashi | 1997-12-16 |
| 5637405 | Magnetic recording medium having a backcoat layer containing carbon black, an organic colorant residue and a silicone compound | Yoshio Hara, Michio Yabuno | 1997-06-10 |
| 5601914 | Magnetic recording medium having a backcoat layer containing a transition metal fatty acid salt | Michio Yabuno, Yoshio Hara | 1997-02-11 |