Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620483 | Magnetic recording medium | Minoru Sueki | 2003-09-16 |
| 6293823 | Nut-prefixed connector | — | 2001-09-25 |
| 5958565 | Magnetic recording tape favorably employable for computer data storage | Yasushi Hattori, Toshio Kawamata, Tatsuo Ishikawa, Satoru Hayakawa | 1999-09-28 |
| 5947767 | Electrical connector | Shigeyasu Kitamura, Shigenori Koike | 1999-09-07 |
| 5091268 | Magnetic recording medium lubricated by a three component fatty acid ester-fatty acid amide composition | Yasuo Nishikawa, Tsutomu Okita, Masashi Aonuma | 1992-02-25 |
| 5041336 | Magnetic recording medium using a binder resin containing a polar group, and a lubricant system comprising two types of fatty acid esters and one fatty acid | Takao Ohya, Yasuo Nishikawa, Akihiro Matsufuji, Kiyomi Ejiri | 1991-08-20 |
| 5015498 | Method for preparing a magnetic recording medium | Masashi Aonuma, Haruo Masuda | 1991-05-14 |
| 4916024 | Magnetic recording medium | Masaaki Fujiyama | 1990-04-10 |
| 4801505 | Magnetic recording medium | Kiyomi Ejiri, Hiroaki Araki, Akihiro Matsufuji | 1989-01-31 |
| 4784907 | Magnetic recording medium | Akihiro Matsufuji, Shigeo Komine, Yasuyuki Yamada, Hajime Miyatsuka | 1988-11-15 |
| 4784914 | Magnetic recording medium | Akihiro Matsufuji, Shigeo Komine, Yasuyuki Yamada, Hajime Miyatsuka | 1988-11-15 |
| 4701364 | Tape for cleaning magnetic head | Takahito Miyoshi, Masaaki Fujiyama | 1987-10-20 |
| 4696859 | Magnetic recording medium | Takahito Miyoshi, Nobuo Aoki, Takashi Yoneyama, Toshimitu Okutu, Masaaki Fujiyama +1 more | 1987-09-29 |
| 4687705 | Magnetic recording medium | Hajime Miyatsuka, Akihiro Matsufuji, Takeshi Kakuta | 1987-08-18 |
| 4661377 | Process for producing a magnetic recording medium having an improved dimensional stability | Kazuhiko Morita, Shigeo Komine, Noburo Hibino | 1987-04-28 |
| 4652958 | Tape for cleaning magnetic head | Takahito Miyoshi, Masaaki Fujiyama | 1987-03-24 |
| 4646179 | Flexible magnetic disc, positioning apparatus and method permitting improved head contact | Yasuo Nagashima | 1987-02-24 |
| 4571364 | Magnetic recording medium | Akihiro Matsufuji, Yasuyuki Yamada, Nobuo Tsuji | 1986-02-18 |
| 4537833 | Magnetic recording medium | Nobuyuki Yamamoto, Hajime Miyatsuka | 1985-08-27 |
| 4496626 | Magnetic recording medium | Noburo Hibino, Hajime Miyatsuka | 1985-01-29 |
| 4481253 | Process for preparing ferromagnetic metal powder and a magnetic recording medium including the powder | Akihiro Matsufuji, Shizuo Umemura, Hajime Miyatuka, Goro Akashi | 1984-11-06 |
| 4465737 | Magnetic recording medium | Hajime Miyatuka, Akihiro Matsufuji, Tsutomu Sugisaki | 1984-08-14 |
| 4455345 | Magnetic recording medium | Hajime Miyatuka | 1984-06-19 |
| 4431712 | Magnetic recording medium of ferromagnetic particles and binder | Akihiro Matsufuji, Hajime Miyatsuka, Masashi Aonuma | 1984-02-14 |
| 4411956 | Magnetic recording medium | Akihiro Matsufuji, Hajime Miyatsuka | 1983-10-25 |