Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6965115 | Airtight processing apparatus, airtight processing method, and electron beam processing apparatus | Naoki Yasumitsu, Yoshiyuki Tomita | 2005-11-15 |
| 4960221 | Pressure vessel | Junji Onaka | 1990-10-02 |
| 4955498 | Sealing structure of pressure container | Junji Onaka | 1990-09-11 |
| 4942972 | Pressure vessel | Toshio Akagi, Kiyotaka Yano, Junji Onaka | 1990-07-24 |