Issued Patents All Time
Showing 151–157 of 157 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6991388 | Ink ribbon cartridge having takeup-side cover with opening positioned beneath protrusion in cover | Hisashi Igi, Yoshikatsu Kameyama | 2006-01-31 |
| 6715946 | Ink ribbon cartridge and printing device | — | 2004-04-06 |
| 6547288 | Cover of image forming device | Yoshikatsu Kameyama | 2003-04-15 |
| 6403712 | Process for the manufacture of spandex and the spandex made thereby | Toshikazu Matsuda, Masao Umezawa | 2002-06-11 |
| 6257780 | Ink ribbon cartridge having one undetachable spool and idle rotation preventing structure | Yoshikatsu Kameyama | 2001-07-10 |
| 6225435 | Stable polyurethaneurea solutions | Toshikazu Matsuda, Masao Umezawa | 2001-05-01 |
| 4567164 | Pharmaceutical composition for treating protozoan disease containing at least one tetrocarcin | Kenjiro Shimada, Masao Otomo, Fusao Tomita | 1986-01-28 |