Issued Patents All Time
Showing 51–75 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107386 | Magnetic tape cassette | Kenji Hashizume, Haruo Shiba | 1992-04-21 |
| 5074487 | Tape reel for tape cassette | Hiroshi Kaneda | 1991-12-24 |
| 5068146 | Polymerized films, medium related members, and process for making | Masatoshi Nakayama, Kunihiro Ueda | 1991-11-26 |
| 5034839 | Structures for fixedly supporting tape guides in a magnetic tape cassette | Haruo Shiba, Takashi Namioka | 1991-07-23 |
| 5004180 | Magnetic tape cassette | Takashi Namioka, Haruo Shiba | 1991-04-02 |
| 4991047 | Tape guides and method of manufacturing the same | Haruo Shiba, Takashi Namioka, Takayuki Kohama | 1991-02-05 |
| 4988573 | Medium related members | Masatoshi Nakayama, Kunihiro Ueda | 1991-01-29 |
| 4973012 | Magnetic tape cassette | Kenji Hashizume, Takateru Satoh | 1990-11-27 |
| 4930714 | Reel for a magnetic tape | Kenji Hashizume, Haruo Shiba | 1990-06-05 |
| 4899242 | Locking mechanism of magnetic tape cassette | Kenji Hashizume, Masaru Ikebe, Haruo Shiba | 1990-02-06 |
| 4885651 | Tape cassette with low friction slide member for guiding movement of a lid thereon | Haruo Shiba, Kenji Hashizume | 1989-12-05 |
| 4865265 | Magnetic tape cassette | Kenji Hashizume, Masaru Ikebe | 1989-09-12 |
| 4863116 | Guide member in a cassette for data carrying material | Michio Iizuka, Haruo Shiba | 1989-09-05 |
| 4858849 | Tape cassette housing | Haruo Shiba, Kenji Hashizume, Yoshiya Sakata | 1989-08-22 |
| 4781340 | Magnetic tape cassette | Haruo Shiba, Makoto Saito | 1988-11-01 |
| 4779157 | A Shaft having a groove for a video tape cartridge and metallic molds for its preparation | Toshihiko Ishida, Yuji Ishikawa | 1988-10-18 |
| 4769730 | Magnetic tape cassette with an improved guard panel | Haruo Shiba | 1988-09-06 |
| 4717980 | Tape cassette with low friction slide member for guiding movement of a lid thereon | Haruo Shiba, Kenji Hashizume | 1988-01-05 |
| 4682259 | Magnetic tape cassette with dustproof mechanism | Haruo Shiba, Kenji Hashizume, Yoshiya Sakata | 1987-07-21 |
| 4679109 | Tape cassette driven rib device | Haruo Shiba | 1987-07-07 |
| 4663689 | Tape pad for a magnetic tape cassette | Haruo Shiba, Kenkichi Akaoka | 1987-05-05 |
| 4631619 | Magnetic tape cassette having improved reel locking means | Kenji Hashizume, Haruo Shiba | 1986-12-23 |
| 4585187 | Magnetic tape cassette | Haruo Shiba, Kenji Hashizume, Yoshiya Sakata | 1986-04-29 |
| 4546936 | Magnetic tape cassette casing | Toshihiko Ishida | 1985-10-15 |
| 4504027 | Magnetic tape clamping device | Haruo Shiba | 1985-03-12 |