Issued Patents All Time
Showing 101–118 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704650 | Oriented sheet supports in a recording disc | — | 1987-11-03 |
| 4704179 | Process for producing magnetic discs | — | 1987-11-03 |
| 4690863 | Magnetic recording media and process for producing same | Takahito Miyoshi, Masaaki Fujiyama, Akihiro Matsufuji | 1987-09-01 |
| 4687704 | Magnetic recording medium | Takahito Miyoshi, Akihiro Matsufuji, Hajime Miyatsuka, Masaaki Fujiyama | 1987-08-18 |
| 4645115 | Method of bonding ceramic article | Osami Kamigaito, Haruo Doi, Shoji Noda | 1987-02-24 |
| 4611402 | Digital tape measure | Tatsuaki Nakai | 1986-09-16 |
| 4610930 | Magnetic recording medium and process for producing the same | Toshiyuki Masuda | 1986-09-09 |
| 4557948 | Process for producing magnetic recording materials | Masao Yabe, Yasuo Nishikawa, Akio Yanai, Ryuji Shirahata, Kyoichi Naruo | 1985-12-10 |
| 4554220 | Magnetic recording media | Katsumi Ryoke, Nobuo Tsuji, Yuzo Higaki, Toshihisa Okamura | 1985-11-19 |
| 4548873 | Magnetic recording media with oxyfatty acid lubricant | Yoshito Mukaida, Nobuo Tsuji, Yuzo Higaki, Toshihisa Okamura | 1985-10-22 |
| 4537833 | Magnetic recording medium | Akira Kasuga, Hajime Miyatsuka | 1985-08-27 |
| 4520070 | Magnetic recording medium and process for producing same | Yasuo Nishikawa, Kyoichi Naruo, Tsutomu Okita | 1985-05-28 |
| 4499138 | Magnetic recording medium | — | 1985-02-12 |
| 4486500 | Magnetic recording medium | Kyoichi Naruo, Tsutomu Okita | 1984-12-04 |
| 4456661 | Magnetic recording medium | — | 1984-06-26 |
| 4443514 | Magnetic recording medium | Yasuo Nishikawa, Yuji Andou, Kyoichi Naruo, Tsutomu Okita | 1984-04-17 |
| 4391874 | Magnetic recording medium | Kyoichi Naruo, Tsutomu Okita | 1983-07-05 |
| 4384989 | Semiconductive barium titanate | Osami Kamigaito, Tatsumi Hioki, Yoshiharu Hirose, Haruo Doi | 1983-05-24 |