Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601756 | Recording liquid | Masahiro Chiba, Kazuo Iwata, Hiroko Ogawa, Takashi Ohba | 1986-07-22 |
| 4585484 | Recording liquid | Masahiro Haruta, Kazuo Iwata, Keiko Nakousai | 1986-04-29 |