Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5873538 | Magnetic tape cassette | Masatoshi Okamura, Haruo Shiba | 1999-02-23 |
| 5806156 | Precision reed drawing-in apparatus and method | Yoshiro Sakaguchi | 1998-09-15 |
| 5626305 | Tape cassette having ribs and window | Masatoshi Okamura, Haruo Shiba | 1997-05-06 |
| 5417378 | Tape cassette | Masatoshi Okamura, Hiroshi Kaneda, Motohiko Shima | 1995-05-23 |
| 5381893 | Housing case for tape cassette with index card | Masatoshi Okamura | 1995-01-17 |
| 5379960 | Tape cassette casing having an attaching cylindrical portion with at least one rib for retaining a reel spring | Hiroshi Kaneda | 1995-01-10 |
| 5278717 | Disk cartridge | Morimasa Sasaki, Haruo Shiba, Masaru Ikebe | 1994-01-11 |
| 5232093 | Tape cassette housing | Masatoshi Okamura, Haruo Shiba, Motohiko Shima | 1993-08-03 |
| 5153801 | Disk cartridge having coupled shutters for closing plural cartridge openings | Masaru Ikebe, Morimasa Sasaki, Haruo Shiba | 1992-10-06 |
| 5115365 | Magnetic tape cassette having elastic pad element | Masatoshi Okamura, Haruo Shiba | 1992-05-19 |
| 5107386 | Magnetic tape cassette | Masatoshi Okamura, Haruo Shiba | 1992-04-21 |
| 4984120 | Cleaning cassette for a video cassette tape deck | Takateru Satoh, Morimasa Sasaki, Kimio Tanaka | 1991-01-08 |
| 4973012 | Magnetic tape cassette | Masatoshi Okamura, Takateru Satoh | 1990-11-27 |
| 4930714 | Reel for a magnetic tape | Masatoshi Okamura, Haruo Shiba | 1990-06-05 |
| 4899242 | Locking mechanism of magnetic tape cassette | Masaru Ikebe, Masatoshi Okamura, Haruo Shiba | 1990-02-06 |
| 4885651 | Tape cassette with low friction slide member for guiding movement of a lid thereon | Haruo Shiba, Masatoshi Okamura | 1989-12-05 |
| 4865265 | Magnetic tape cassette | Masaru Ikebe, Masatoshi Okamura | 1989-09-12 |
| 4858849 | Tape cassette housing | Masatoshi Okamura, Haruo Shiba, Yoshiya Sakata | 1989-08-22 |
| 4717980 | Tape cassette with low friction slide member for guiding movement of a lid thereon | Haruo Shiba, Masatoshi Okamura | 1988-01-05 |
| 4682259 | Magnetic tape cassette with dustproof mechanism | Masatoshi Okamura, Haruo Shiba, Yoshiya Sakata | 1987-07-21 |
| 4631619 | Magnetic tape cassette having improved reel locking means | Haruo Shiba, Masatoshi Okamura | 1986-12-23 |
| 4585187 | Magnetic tape cassette | Masatoshi Okamura, Haruo Shiba, Yoshiya Sakata | 1986-04-29 |