Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601191 | Outerrace of universal joint with cross grooves | Sadao Ikeda, Kunihiko Imahashi | 1986-07-22 |
| D281079 | Frame for printing head | Masao Kunita, Osamu Washimine, Michio Koizumi, Toshio Kurihara | 1985-10-22 |
| D281078 | Holder for printing head frame | Ken Koizumi, Michio Koizumi | 1985-10-22 |
| 4527921 | Paper feed apparatus for shuttle printer | Michio Koizumi, Seiichi Ohsawa | 1985-07-09 |
| 4369558 | Outer race working method and apparatus therefor | Hisao Shirai | 1983-01-25 |