Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5788386 | Compact ergonomic keyboard | Kazutoshi Hayashi, Masayuki Katoh, Masatoshi Ishii | 1998-08-04 |
| 5401926 | Data input device with a manually operable key having static electricity releasing function | Yasuo Yatsuda | 1995-03-28 |