Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354686 | Contact-free sealing member | Takashi Ichiyanagi | 1982-10-19 |
| 4310130 | Method and apparatus for taking up tape | Takashi Ichiyanagi, Hidetoshi Kawa, Katsuyuki Yamamoto | 1982-01-12 |