Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5050030 | Disk cassette with shutter attaching feature | Masayuki Harada, Kouji Funawatari | 1991-09-17 |
| 4860127 | Magnetic disk cartridge with erasure-preventing device | Kenji Takahashi | 1989-08-22 |
| 4812937 | Magnetic disk cartridge with improved center plate for disk mounting | Mika Kaneko | 1989-03-14 |
| 4750064 | Flexible magnetic disc apparatus | Kazuo Sasaki | 1988-06-07 |
| 4703384 | Magnetic tape cassette with reel-lock mechanism | Hideaki Kawada, Kazuo Ike, Kiyoshi Omori | 1987-10-27 |
| D292291 | Magnetic disc or the like | Etsuro Saito, Shinichiro Takahashi | 1987-10-13 |
| D292292 | Magnetic disc | Etsuro Saito | 1987-10-13 |
| 4678138 | Magnetic tape cassette with reel brake mechanism | — | 1987-07-07 |
| 4646189 | Magnetic tape cassette with door opening mechanism | Shin Sasaki, Shuichi Yamashina, Hiroyuki Uchida | 1987-02-24 |
| 4644435 | Micro floppy disc cassette | Tetsuo Sawa | 1987-02-17 |
| D284665 | Magnetic disc jacket | Etsuro Saito, Tohru Ichikawa, Shinichiro Takahashi | 1986-07-15 |
| 4589105 | Flexible disc cassette | Osamu Koizumi, Koukichi Sugawara | 1986-05-13 |
| 4581670 | Flexible magnetic disc cassette with a slidably mounted shutter | Kazuo Ozawa, Tetsuo Sawa | 1986-04-08 |
| 4524926 | Cassette and cassette adapter for use therewith | Kokichi Sugawara | 1985-06-25 |
| 4203564 | Tape reel | — | 1980-05-20 |