Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6005774 | Integrated circuit card | Kazuo Chiba, Kenichi Imamura | 1999-12-21 |
| 5891413 | Method of producing a carbide from an organic substance containing water | Yutaka Yoshida, Masaki Okabe | 1999-04-06 |
| 5139662 | Apparatus for clarifying water | — | 1992-08-18 |
| 4982137 | Apparatus for igniting a discharge lamp including circuitry for preventing cataphoresis phenomenon generation | Masakatsu Kichibayashi, Kazuhiko Ito, Shigeru Horii, Kouji Miyazaki | 1991-01-01 |