Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8213284 | Multi-layered rewritable optical disc recording apparatus and recording method | Tetsuji Kawashima, Yukio Shishido, Yoshiyuki Tokumoto, Toru Ifuku, Hiroshi Naganuma +1 more | 2012-07-03 | $71,000 |
| 7969845 | Optical recording apparatus, recording method for optical recording medium and optical recording medium | Satoshi Kitani, Takashi Sasaki | 2011-06-28 | $260,000 |
| 7461389 | Adaptor member for a disc drive | Kiyoshi Omori, Satoshi Muto, Yuji Suzuki, Toru Tanaka, Naoya Hoshino | 2008-12-02 | $465,000 |
| 5617264 | Method and apparatus for rewriting data to a floppy disk by storing reproduced data in a memory | Keiichi Taguchi, Masaharu Yanaga | 1997-04-01 | $185,000 |
| 5233296 | Floppy disk drive revolution detector avoiding interference with magnetic circuit | Masanori Kitamura | 1993-08-03 | $115,000 |