| 4857402 |
Magnetic recording medium |
Yasuo Nishikawa, Hajime Miyazuka |
1989-08-15 |
| 4837081 |
Magnetic recording medium |
Yasuyuki Yamada, Hajime Miyatsuka, Tsutomu Okita |
1989-06-06 |
| 4748090 |
Magnetic recording media |
Nobuyuki Yamamoto, Katsumi Ryoke, Yuzo Higaki, Toshihisa Okamura |
1988-05-31 |
| 4725496 |
Magnetic recording medium |
Yasuo Nishikawa |
1988-02-16 |
| 4699844 |
Magnetic recording medium |
Tsutomu Okita, Yoshito Mukaida |
1987-10-13 |
| 4690870 |
Magnetic recording medium |
Tsutomu Okita, Hiroshi Hashimoto, Yoshito Mukaida |
1987-09-01 |
| 4672002 |
Magnetic recording medium |
Tsutomu Okita, Yoshito Mukaida |
1987-06-09 |
| 4668568 |
Magnetic recording medium |
Masaaki Fujiyama, Nobutaka Yamaguichi |
1987-05-26 |
| 4657817 |
Magnetic recording material |
Tsutomu Okita, Kyoichi Naruo, Teruo Nakagawa, Kiyoshi Murase, Takahisa Ogasawara |
1987-04-14 |
| 4621027 |
Magnetic recording medium |
Tsutomu Okita, Yoshito Mukaida, Hiroshi Hashimoto, Teruo Nakagawa, Akiyoshi Hashimoto +1 more |
1986-11-04 |
| 4576866 |
Magnetic recording material |
Tsutomu Okita, Yoshito Mukaida |
1986-03-18 |
| 4571364 |
Magnetic recording medium |
Akira Kasuga, Akihiro Matsufuji, Yasuyuki Yamada |
1986-02-18 |
| 4554220 |
Magnetic recording media |
Nobuyuki Yamamoto, Katsumi Ryoke, Yuzo Higaki, Toshihisa Okamura |
1985-11-19 |
| 4548873 |
Magnetic recording media with oxyfatty acid lubricant |
Nobuyuki Yamamoto, Yoshito Mukaida, Yuzo Higaki, Toshihisa Okamura |
1985-10-22 |
| 4503120 |
Magnetic recording medium |
Koichi Yamauchi, Yasuyuki Yamada, Shinichi Funabashi, Masatoshi Kiyama |
1985-03-05 |
| 4487802 |
Magnetic recording medium |
Takahito Miyoshi, Toshimitu Okutu, Masaaki Fujiyama, Sumitaka Tatsuta |
1984-12-11 |
| 4454202 |
Magnetic recording medium |
Shigeo Komine, Kazuhiko Morita |
1984-06-12 |
| 4448842 |
Magnetic recording medium |
Nobutaka Yamaguchi, Masaaki Fujiyama |
1984-05-15 |
| 4446205 |
Magnetic recording tape having a leader tape |
Chiaki Mizuno, Yasuo Tamai |
1984-05-01 |
| 4444838 |
Magnetic recording medium |
Yasuyuki Yamada, Goro Akashi, Yoshito Mukaida |
1984-04-24 |
| 4444842 |
Magnetic recording medium |
Nobutaka Yamaguchi, Yasutoshi Okuzawa, Norio Nasu, Masaaki Fujiyama |
1984-04-24 |
| 4439486 |
Magnetic recording medium |
Yasuyuki Yamada, Masaaki Fujiyama |
1984-03-27 |
| 4431700 |
Magnetic recording medium |
Yasuyuki Yamada, Yasuyuki Tanaka, Koichi Yamauchi |
1984-02-14 |
| 4425400 |
Magnetic recording medium |
Nobutaka Yamaguchi, Masaaki Fujiyana, Norio Nasu |
1984-01-10 |
| 4411953 |
Magnetic recording medium |
Takahito Miyoshi, Toshimitu Okutu, Masaaki Fujiyama |
1983-10-25 |
