Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858849 | Tape cassette housing | Masatoshi Okamura, Haruo Shiba, Kenji Hashizume | 1989-08-22 |
| 4734812 | Tape cartridge with erasure-preventing indicator plug | Kimio Tanaka, Haruo Shiba | 1988-03-29 |
| 4727445 | Device for opening/closing a protective cover on a magnetic tape cassette and protecting the cassette interior from contamination | Takateru Satoh, Haruo Shiba, Kimio Tanaka | 1988-02-23 |
| 4707757 | Pressing spring for a magnetic tape cartridge | Haruo Shiba | 1987-11-17 |
| 4688128 | Magnetic tape cassette having two layered portions | Haruo Shiba, Takateru Sato, Kimio Tanaka | 1987-08-18 |
| 4682259 | Magnetic tape cassette with dustproof mechanism | Masatoshi Okamura, Haruo Shiba, Kenji Hashizume | 1987-07-21 |
| 4628389 | Lock member for the lid of a magnetic tape cassette | Kimio Tanaka, Haruo Shiba | 1986-12-09 |
| 4626948 | Magnetic tape cartridge pivot pin and supporting member | Kimio Tanaka, Haruo Shiba | 1986-12-02 |
| 4585187 | Magnetic tape cassette | Masatoshi Okamura, Haruo Shiba, Kenji Hashizume | 1986-04-29 |
| 4515322 | Reel for a magnetic tape | Haruo Shiba, Kimio Tanaka | 1985-05-07 |
| 4288684 | Electrode type steam vaporizer | Hisao Katou | 1981-09-08 |