Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733987 | Method for cutting a biological sample and a device used therefor | Masashi Ogawa, Masatoshi Takahashi, Hiroshi Arakatsu | 2004-05-11 |
| 6607806 | Magnetic recording medium | Kazuo Kato, Mikio Ono | 2003-08-19 |
| 5632789 | Abrasive tape | Katsumi Ryoke, Masaaki Fujiyama | 1997-05-27 |
| 5631062 | Magnetic recording medium | Kenichi Masuyama, Hiroaki Takano, Kazuo Kato, Noburo Hibino | 1997-05-20 |
| 5433989 | Magnetic recording medium and process for preparing the same | — | 1995-07-18 |
| 5368949 | Magnetic recording medium having specific subbing layers and process for recovery and processing thereof | Akira Ushimaru, Hiroshi Hashimoto, Keiichi Suzuki | 1994-11-29 |
| 5356726 | Magnetic recording medium comprising a magnetic layer having ferromagnetic powder, a specified binder and a lubricant composition which includes a specified tertiary branched chain fatty acid ester | Yasuo Nishikawa, Akira Ushimaru, Yuzo Higaki, Tatsuya Yamada | 1994-10-18 |
| 5244736 | Magnetic recording medium having multiple magnetic layers with specified compositions | Hiroshi Hashimoto, Hideomi Watanabe, Akira Ushimaru, Akihiro Matsufuji | 1993-09-14 |
| 5153063 | Magnetic recording medium having a vinyl-chloride resin and a urethane resin binder system each of which resins contain three percent or less of a low molecular weight resin fraction | Tsutomu Okita, Akihiro Matsufuji, Nobuo Aoki | 1992-10-06 |
| 5034271 | Magnetic recording medium | Takahito Miyoshi, Hiroo Inaba, Yasuyuki Yamada | 1991-07-23 |
| 4880692 | Magnetic recording medium | Katsumi Ryoke, Masatoshi Takahashi, Akihiro Hashimoto, Tsutomu Okita | 1989-11-14 |
| 4812369 | Magnetic recording medium | Yasuyuki Yamada, Takahito Miyoshi | 1989-03-14 |
| 4788103 | Magnetic recording medium | Tsutomu Okita, Yasuyuki Yamada | 1988-11-29 |
| 4734325 | Magnetic recording medium | Katsumi Ryoke, Nobutaka Yamaguchi, Masatoshi Takahashi, Hideaki Kosha, Eiichi Tadokoro | 1988-03-29 |
| 4728569 | Magnetic recording medium | Katsumi Ryoke, Nobutaka Yamaguchi, Masatoshi Takahashi, Hideaki Kosha, Eiichi Tadokoro | 1988-03-01 |
| 4711819 | Magnetic recording medium | Yasuyuki Yamada | 1987-12-08 |
| 4696858 | Magnetic recording medium | Katsumi Ryoke, Nobutaka Yamaguchi, Masatoshi Takahashi, Hideaki Kosha, Eiichi Tadokoro | 1987-09-29 |
| 4686139 | Magnetic recording medium | Katsumi Ryoke, Nobutaka Yamaguchi, Masatoshi Takahashi, Hideaki Kosha, Eiichi Tadokoro | 1987-08-11 |
| 4649072 | Magnetic recording medium | Katsumi Ryoke, Nobutaka Yamaguchi, Masatoshi Takahashi, Hideaki Kosha, Eiichi Tadokoro | 1987-03-10 |
| 4587170 | Magnetic recording medium | Takashi Yoneyama, Toshihisa Ito | 1986-05-06 |