Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5497320 | Two-level document processing method | Kenji Uemoto, Tokuji Ohta | 1996-03-05 |
| 4767103 | Convertor pressure control device in a convertor waste gas disposing device | Nobuhiro Sakanashi, Toru Yoshida, Yujiro Ueda, Katsumi Hachiga | 1988-08-30 |