Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8895089 | Sealed battery | — | 2014-11-25 |
| 8080333 | Battery pack | Osamu Akatsuchi, Hiroshi Yamamoto | 2011-12-20 |
| 7267626 | Auto tensioner | Kanji Kawasaki | 2007-09-11 |
| 6220320 | Pneumatic motorcycle tire | Hidemitsu Nakagawa | 2001-04-24 |
| 6125012 | Recording medium cartridge with a twin-coiled torsional spring-biased shutter | Nobutaka Miyazaki | 2000-09-26 |
| 5893527 | Single-reel tape cartridge | Hikaru Mizutani, Nobutaka Miyazaki | 1999-04-13 |
| 5647550 | Tape cartridge reel lock mechanism | Nobutaka Miyazaki | 1997-07-15 |
| 5451007 | Tape cartridge reel lock mechanism | Nobutaka Miyazaki | 1995-09-19 |
| 4757957 | Tape cartridge | Shunji Nakatamari, Shinichi Kagano | 1988-07-19 |
| 4660784 | Tap cartridge | Sigeo Sasaki, Takao Ketori, Kazuhiro Fujita, Kenji Ogiro | 1987-04-28 |
| 4643304 | Tape cartridge with extending reference surfaces | Shigeo Sasaki, Takao Ketori | 1987-02-17 |
| 4635879 | Tape cassette | Sigeo Sasaki, Takao Ketori, Kazuhiro Fujita | 1987-01-13 |