Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7045228 | Magnetic tape | Masami Sato | 2006-05-16 |
| 5419943 | Magnetic recording medium having a magnetic layer with a Tg of 80.degree. C . .degree. C. | Katsuhiko Meguro, Mikihiko Kato, Tetsuji Nishida, Makoto Yoshimura | 1995-05-30 |
| 5164243 | Magnetic recording medium having a specified edge profile | Youichi Hayata | 1992-11-17 |
| 5160590 | Electrolytic processing method for electrolytically processing metal surface | Nobuo Totsuka, Mitsuo Kimura, Takao Kurisu, Yuji Mishiro, Masakazu Sengan +3 more | 1992-11-03 |
| 4995199 | Magnetic tape cassette having improved guide pole structure | Takahito Miyoshi, Tsutomu Sugisaki, Takuzi Yamada, Yasutoshi Okuzawa | 1991-02-26 |
| 4993197 | Magnetic tape cassette having improved guide pole structure | Takahito Miyoshi, Tsutomu Sugisaki, Takuzi Yamada, Yasutoshi Okuzawa | 1991-02-19 |
| 4930032 | Magnetic tape cassette having improved guide pole structure | Takahito Miyoshi, Tsutomu Sugisaki, Takuzi Yamada, Yasutoshi Okuzawa | 1990-05-29 |
| 4784895 | Magnetic recording medium and process for the preparation of the same | Chiaki Mizuno, Hiroshi Ogawa, Shinji Saito, Naoyoshi Chino | 1988-11-15 |
| 4629653 | Magnetic recording medium having laminated hexagonal ferrite platelets | Takamitsu Asai, Masaaki Fujiyama, Nobuo Aoki | 1986-12-16 |
| 4598014 | Magnetic recording medium | Takahito Miyoshi, Kenichi Masuyama, Toshimitu Okutu, Masahiro Utumi, Masaaki Fujiyama | 1986-07-01 |