Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537347 | Method for deciding on the timing of replacing a chemical filter, filter life detection sensor, chemical filter unit, and semiconductor manufacturing apparatus | Satoshi Motouji, Teruyuki Hayashi, Misako Saito | 2003-03-25 |
| 5313198 | Data communication apparatus | Kazunori Morikawa, Hisato Fujisaka, Ryoichi Miyake | 1994-05-17 |