Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860523 | Tape cassette receiving housing | Toshikazu Konno, Hiroshi Ozaki, Takashi Ota, Seiji Nihei, Taizo Fukuda +2 more | 1999-01-19 |
| 5314558 | Method of applying a decorative foil to a tape cassette reel | Kazuo Ozawa | 1994-05-24 |
| 5255144 | Brake device for tape reel in magnetic tape cassette | Yuji Iwahashi, Toshihiro Watanabe, Shinya Sato, Masanori Tanaka | 1993-10-19 |
| 5180116 | Tape cassette reel having a wing-type upper flange | Masanori Sato | 1993-01-19 |
| 5160752 | Mold for forming a tape cassette reel | Masanori Sato | 1992-11-03 |
| 5101308 | Tape reel for magnetic tape cassette | Shigeru Tateno | 1992-03-31 |
| 4995565 | Cassette reel | Kazuo Ozawa | 1991-02-26 |
| 4945440 | Tape cassette with transparent reel viewing windows and laminated three-color construction | Yuji Iwahashi, Shinya Sato | 1990-07-31 |
| 4916566 | Magnetic tape cassette which avoids flange/housing contact | — | 1990-04-10 |
| 4901171 | Optical tape end sensing arrangement for magnetic tape cassette | Shinya Sato, Yuji Iwahashi | 1990-02-13 |
| 4802044 | Mounting arrangements for levy springs acting against tape reels in a cassette | Yuuji Iwahashi | 1989-01-31 |
| 4789105 | Particulate material treating apparatus | Masuo Hosokawa, Akio Tanaka, Keiichiro Kohmitsu, Tohei Yokoyama, Sadamitsu Matsuo +1 more | 1988-12-06 |
| 4697702 | Magnetic tape cassette with tape protective sliding closure and lock mechanism for sliding closure | — | 1987-10-06 |
| 4529135 | Grinding crusher | — | 1985-07-16 |
| 4451005 | Gas flow type crushing and classifying apparatus | — | 1984-05-29 |
| 4279165 | Apparatus for measuring cohesion force of particulate materials | Tohei Yokoyama, Shintaro Asakura, Kenji Fujii | 1981-07-21 |